Seeds will sprout in 7-10 days. This low-maintenance flower is deer resistant and does well in most soils. Perennials, 30–100 cm. Code HETD. Mt. In former times, people often used snuff to induce sneezing in the belief that it would purge the body of evil. ]. Wood - shortleaf sneezeweed P: Helenium campestre Small - oldfield sneezeweed P: Helenium drummondii H. A must-have in the late season garden! Helenium ‘Waltraut’ is highly prized by gardeners for its extremely long blooming season, large blossoms (3″ wide or 8 cm) and its unique and outstanding color. H. In Missouri, it typically occurs in moist soils along streams, sink hole ponds, sloughs. flexuosum. Rock 1957). Photographed By Devry Becker Jones , January 17, 2020. , ranging across 44 U. Helenium flexuosum, commonly known as Purplehead sneezeweed, is found in eastern states, stretching from Florida north to Maine and as far west as Texas. Click on a thumbnail image to see detailed information about that particular plant. It is native to the southeastern United States, growing in wetlands and along stream banks. However, microsomal dealkylation activity of short alkyl chain alkoxyresorufin ethers (methoxy, ethoxy and propoxy) was inhibited approximately 50%. Flowering earlier than most Heleniums, Helenium hoopesii (Orange Sneezeweed) is a North American native which produces branched clusters of bright golden yellow flowers, 3 in. It is widespread across much of eastern and central United States and Canada, from Nova Scotia west to Ontario, Minnesota, and Kansas, south to Florida, Louisiana, and eastern Texas. Native Environment: Stream Edge, Wetland. Helenium has an undeserved reputation as a cause of hayfever and fall allergies. This plant is very adaptable to a variety of soils but usually found on damp, acidic soils in full sun. 1 Stem leaves few to numerous, at least the larger > 4 mm wide, decurrent on the stems and branches; fibrous-rooted perennials or taprooted annuals/biennials. It has been suggested that Helenium flexuosum may be of hybrid origin from H. Raf. It has the following synonyms: Helenium nudiflorum Nutt. Blooms June–November. CHECK AVAILABILITY Prefers rich moist to wet soils. 00 – $ 550. While blooms were not as numerous as other cultivars, individual inflorescences were some of the largest produced by any sneezeweed in our trial, with some reaching a diameter. The blossoms terminate these stems. Entry From. Sow in doors 8-10 weeks before planting out in early spring when the soil is cool and light frost is still possible. Purple-Headed Sneezeweed, Southern Sneezeweed, Purple Sneezeweed, Purplehead Sneezeweed Helenium flexuosum hel-EE-nee-um fleks-yoo-OH-sum Synonyms of Helenium flexuosum (14) (Updated on 11-26-22 from Plants of the World Online): Heleniastrum nudiflorum (Nutt. tall (75-90 cm). Purple-Headed Sneezeweed (Helenium flexuosum) Description: This herbaceous perennial wildflower is 1½–3' tall with each stem branching occasionally in the upper half. 245. The 1. Helenium flexuosum Raf. The plant can also grow in upland areas but requires consistent moisture. Unlike other cultivars, we found Helenium flexuosum to be a prolific self-seeder in the garden. Specimen. Storred. Also called Helen's Flower. Tetrodus (H. The flowers of this species are pollinated by insects instead of wind so they have heavy, sticky pollen that is not easily inhaled. Indians used an infusion of the leaves as a laxative. Cut back in May-early June to reduce plant height and to encourage branching and more flowers. Known as Sneezeweed because the flowers were pulverized to make a snuff that induced sneezing. Because of vegetative offsets, multiple stems usually develop. Helenium flexuosum. Helenium flexuosum Raf. Other taxonomic & nomenclature sources: USDA Plants; ITIS; The Plant List; IPNI. Helenium flexuosum, commonly known as Purplehead sneezeweed, is found in eastern states, stretching from Florida north to Maine and as far west as Texas. The blossoms terminate these stems. Despite its common name, it presents no problems for most allergy sufferers. Helenium vernale. Accessed: 28 January 2018. Genus: Helenium L. 2. يحتوي كل رأس على ما يصل إلى 700 florets على القرص الأصفر أو الأرجواني ، وأحيانًا بدون florets شعاع ، وأحيانًا مع 8-13 florets شعاع. Purple Headed Sneezeweed, (Helenium flexuosum), is a perennial in the aster family that grows full or partial sun. Last Revised by: USDA NRCS National Plant Data Team. Tweet this Page Share on Facebook. purplehead sneezeweed [Helenium floridanum Fern. Helenium flexuosum は幅広い温度条件に適応する能力を持つが、それでも水と暑さの条件の組み合わせによっては分布が制限されることがある。夏の温暖な気候で、十分な降雨や散水がある場合に最もよく生育する。曇天や雨天が長引いたり、高温が長引いたりすると、Helenium flexuosum 、枯死する可能. Plant boldly colored Sneezeweed (Helenium) for blooms that brighten a border, meadow, or wild garden with ease. Last updated 12/15/2014. trial garden that includes areas for growing both sun-loving and shade-loving plants. Files. sect. Great planted in a mass. Native to a large part of the United States, Helenium flexuosum has been introduced to and naturalized in parts of eastern Canada. The pigmentation is so saturated that the rays appear to have a soft, velvety texture. Helenium flexuosum. Bierner, M. . Beginning Friday, Aug 25, browse the available plants and create a wish list on ActiveMontgomery. Lawn & Turf Topics; Landscaping; Garden Design; Edible GardeningHelenium autumnale has an undeserved reputation as a cause of hayfever and fall allergies. Find help & information on Helenium flexuosum from the RHSTaxon pages loaded to date: 24610788 (31100)Helenium mexicanum is a Mesoamerican perennial plant in the sunflower family, common name Cabezona. يمكن أن ينتج مصنع واحد 80 رأس زهرة أو أكثر في مجموعة متفرعة. Curated and maintained by: USDA NRCS National Plant. for further research on medicinal uses. It thrives. Distribution of Purple-headed Sneezeweed (Helenium flexuosum) specimens in the ISM Herbarium: Helenium flexuosum Records for Wabash County, Illinois ISM accession# 84298 Collector: Gerard, John H. Helenium amarum is a multibranched bushy erect plant reaching 20 to 70 centimeters (8-28 inches) in height and thickly foliated in narrow to threadlike leaves. It is an erect, clump-forming perennial that is native to the eastern and midwestern U. 1 Stem leaves very numerous, 0. However, due to its smaller stature. Tetrodus (H. English . 5 km E of C-491, 13 km SW of Jumeau and 10 km NE of Bailey Hill. It is a perennial and grows primarily in the temperate biome. Growth behavior: clumpy, loosely clumpy, clump-forming. S. , flexuosin A and flexuosin B, have formulae C 17 H 24 O 6 and C 20 H 28 O 6. Helenium, Sneezeweed. Seeds are available through the Florida Wildflowers Growers Cooperative - H. 각 헤드에는 최대 700 개의 노랑 또는 자주색 디스크 작은 꽃이 있으며 때로는 광선 작은 꽃이 없으며 때로는 8-13 개의 노랑, 빨강. Celtis laevigata Carpinus caroliniana Helenium autumnale Carex scoparia sugarberry ironwood common sneezeweed broom sedge Diospyros virginiana Cephalanthus occidentalis Helenium flexuosum Carex stricta persimmon buttonbush purplehead sneezeweed tussock sedge Fraxinus. Zimbelstern and the orange-red. It has been suggested that Helenium flexuosum may be of hybrid origin from H. Bierner thought that. Availability: Please select required attribute(s)Helenium flexuosum, Capitulum. Purple-headed sneezeweed is native to the eastern and southern United States, but has apparently been introduced to and is spreading north through eastern Canada. wide (8 cm), with upsweeping and upwardly curled petals surrounding a prominent chocolate brown center disk that is covered with golden pollen and attracts butterflies. Description 6Helenium flexuosum is a North American plant species in the daisy family known by the common name purple sneezeweed. The large disk is brownish or purplish and dome-shaped to nearly spherical. Kingdom Plantae > Division Tracheophyta > Class Magnoliopsida > Order Asterales > Family Asteraceae > Genus Helenium Records: There are 53 records in the project database. Recommended Sun-Loving Native Perennials for Central Florida. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, Lepidoptera (Moths & Butterflies). ft. Beginning Monday, Aug 28 at 8am through Sunday, Sept 3 at midnight, purchase plants on ActiveMontgomery. GRIN link : Helenium L. Helenium flexuosum ‘Tiny Dancer’, a selection of purple-headed sneezeweed, was named for its reputed compact nature when compared to the species. Taxonomy information for Helenium flexuosum. NCBI BLAST name: eudicots Rank: species Genetic code: Translation table 1 (Standard) Mitochondrial genetic code: Translation table 1 (Standard)Helenium flexuosum Taxonomy ID: 53721 (for references in articles please use NCBI:txid53721) current name. You can also include plants that have. 95. The flowering heads are in open, bracted inflorescences. Species within checklist: Amistad National Recreation Area Helenium amarum. It is hardy to UK zone 3. CalFlora: Information on California plants for education, research and conservation. Helenium flexuosum Raf. Flowering earlier than most Heleniums, Helenium hoopesii (Orange Sneezeweed) is a North American native which produces branched clusters of bright golden yellow flowers, 3 in. Purple-headed sneezeweed can be found in forests or natural areas and along stream banks and in wet areas. D. autumnale and its variant Can Can. They are especially valuable late summer into fall, when few perennials are at their peak. Helenium flexuosum é uma erva perene de até 40 polegadas de altura. Wihle it grows on a variety of soils types and pH conditions, in its native habitat, it is found growing on alkaline soil. purplehead sneezeweed. Helenium flexuosum, Capitula at different stages of development. 1 mi. HELENIUM flexuosum | Purple-headed Sneezeweed | 80 cm, yellow with brown disc, early flowering, healthy and upright habit, VI-IX, Z3-9Here is a list of South Carolina native annuals and perennials that are well-suited for plantings in sunny gardens. Helenium flexuosum. Western Ironweed $ 3. discourages grazing by livestock. View county names by placing the cursor over the map. ‘Fuego’ is compact and reached a height of 2’ in our trial. Helenium flexuosum – Also known as the purple-headed sneezeweed, this variety features unique purple or reddish-brown flowers atop tall stems. The website also provides access to a database and images of plants photos and herbarium specimens found at participating herbaria. They surround a chocolate brown cone covered with golden pollen that attracts butterflies. 5-2 (-4) mm wide, not decurrent on the stem or branches; taprooted annuals. Helenium flexuosum 는 다양한 온도 조건에 적응하는 능력이 있지만, 물과 더위 조건의 조합에 따라 분포가 제한될 수 있습니다. Last Revised by: USDA NRCS National Plant Data Team. purple-headed sneezeweed. Various insects feed on the leaves, the pith of the stems, and other parts, including the caterpillars of the Dainty Sulfur butterfly and several moths and weevils. It has greenish stems that are angular and winged. It has greenish stems that are angular and winged. Helenium flexuosum Rafinesque, New Fl. Florida. W. Quick View. 1968. Lawn & Turf Topics; Landscaping; Garden Design; Edible GardeningHelenium flexuosum. Mountain mint prefers rich loamy moist soil with good drainage in full sun to partial shade. The term "subgroup"Helenium flexuosum. 1838. Cypress Spurge is listed in the Invasive Plant Atlas of the United States. Species Distribution. RHS Plants for Pollinators plants. (Helenium flexuosum) 6 3. Helenium flexuosum Raf. H. In this study, we systematically identified potential H. Grows best in average soil. jpg 1,000 × 667; 245 KB Helenium flexuosum, Purple Sneezeweed, Howard County, MD, Helen Lowe Metzman 2017-08-07-17. Not only can the plant turn the milk of cattle bitter, but ingestion of significant quantities causes a syndrome called "spewing disease," which includes vomiting, diarrhea, and. Stems usually 1, usually branched distally, strongly winged, glabrous or sparsely hairy proximally, sparsely to moderately hairy distally. The seeds are generally ripe September. This compound is poisonous to various animals but has anti-cancer properties. S. Online: Sale begins Aug 28. The Mariachi™ Series are dwarf varieties developed to be consistently shorter than other autumnale species. wide (7 cm), with rich golden honey petals, touched with a distinct orange hue. Find diseases associated with this biological target and compounds tested against it in bioassay experiments. Good branching habit, strong stems, excellent mildew. a hrefgardencutting gardena a. Purple-headed sneezeweed has naturalized readily throughout New England from further South, and its use to pollinators is evident. Entry for Helenium flexuosum Rafinesque [family COMPOSITAE] Herbarium. Hardiness: 5 - 9 : Exposure: Full Sun : Height: 1' - 3' (30cm - 90cm) Spread: 1' - 2'Purple-head Sneezeweed (Helenium flexuosum) John Law / Getty Images. [3] [4] They bear yellow or orange daisy-like composite flowers. Description. 6 m (2ft). Browse pictures and read growth / cultivation information about Helenium, Sneezeweed, Helen's Flower, Dogtooth Daisy (Helenium flexuosum) 'Tiny Dancer' supplied by member gardeners in the PlantFile. Helenium flexuosum (Purple-headed Sneezeweed) Helenium flexuosum (Purple-headed Sneezeweed) $8. It loves full sunlight but prefers moist soil and cannot tolerate dry conditions very well. Purple-headed sneezeweed is native to the eastern and southern United States, but has apparently been introduced to and is spreading north through eastern Canada. Most grow easily from seed. NCBI BLAST name: eudicots Rank: species Genetic code: Translation table 1 (Standard) Mitochondrial genetic code: Translation table 1 (Standard)Helenium flexuosum. , 4: 81. A virágok szirmai kissé lefelé állnak, s a fogazott szélük felé kiszélesednek. Genus: Helenium L. Constituents of Helenium SpeciesVI 985 XXVI Ozonolysis'of flexuosin A in methanol at 0in the manner described for pulchellin*" gave. Resembling daisies, the cheerful blooms consist of a skirt of short, notched ray petals surrounding a central orange cone covered with golden pollen that attracts. Chi (genus) Helenium. The flowers, 3 in. S. S. The clay-loam soil in the trial garden has an average pH of 6. Gorgeous, two-toned petals unfurl in shades of yellow, orange, rust and mahogany, revealing a strong and sturdy center cone. Helenium nudiflorum Nuttall. elegans Yevonn Wilson-Ramsey Annuals or perennials, 10–160 cm. Ordo: Asterales. Stems usually 1, usually branched distally, strongly winged, glabrous or sparsely hairy proximally, sparsely to moderately hairy distally. It is noted for attracting wildlife. What's Blooming at Sultan's Greenhouse. Helenium Salsa provides outstanding. Great for rain gardens and moist soils, this deer-resistant late-bloomer stands out with its purple-tinged center. Disk florets are purple or brownish-purple. Helenium flexuosum ( Helenium flexuosum ) är en örtartad flerårig som är infödd i östra och centrala USA. purplehead sneezeweed. It has been suggested that Helenium flexuosum may be of hybrid origin from H. Rafinesque. 1-4 fee. : W shore of Hinckley Lake near the mouth of Beaver Creek, ca. Common names: Purplehead sneezeweed hélénie nudiflore. Seed viability remains high for several years with proper storage. 2018. , 1838. Flowering stems rise 36” above compact and bushy foliage. virginicum habitat in the Ozarks by using topographic maps and aerial photographs and surveyed thesePlant Finder; Lawn, Landscape & Garden Design. Purplehead sneezeweed (*Helenium flexuosum*) is an herbaceous perennial that is indigenous to the eastern and central United States. The most toxic species is Helenium microcephalum - smallhead sneezeweed - as little as 0. Email Required. long (15 cm), and topped with eye-catching daisy flowers. Helenium is a genus of annuals and herbaceous perennials having yellow or orange-to-red daisy-like flowers. Specimen: Helenium flexuosum - Purple-headed Sneezeweed, Purplehead Sneezeweed. Tetrodus that has a chromosome number of 2n = 28 is H. The subspecies autumnal is found across Maryland, as is the fellow damp-adapted species Purple-headed Sneezeweed (Helenium flexuosum), though its peak bloom is around midsummer instead. Email Required. Citrus Co. The Alabama Plant Atlas is a source of data for the distribution of plants within the state as well as taxonomic, conservation, invasive, and wetland information for each species. Helenium flexuosum, VA Ecotype Purplehead Sneezeweed, VA Ecotype Provides summer color to moist soils. Treatment on. Helenium autumnale - sneezeweed. jpg (1 of 1) For more information, contact: David Werier or Kyle WebsterspeciesHelenium flexuosum. Data Documentation. Full sun. Known as Sneezeweed because the flowers were pulverized to make a snuff that induced sneezing. When possible, plant species grown straight from local seed sources. Cultural Information. Common Name: SNEEZEWEED. Yellow daisy-like flowers bloom May through August, providing. Helenium flexuosum Raf. . Helenium flexuosum. Actual Size; Fit to Browser Window; 50%; 200%; 400%; Photo by: Jacqueline Donnelly. Helenium flexuosum, commonly called purple-headed sneezeweed, is most easily distinguished from other sneezeweeds by its spherical, brownish-purple center disk. Please register or login to build your personal plant list. 560. Plant Spacing. Similar species: Purple-head sneezeweed (Helenium flexuosum) and Common sneezeweed (Helenium autumnale). Leaves glabrous or sparsely to. Known as Sneezeweed because the flowers were pulverized to make a snuff that induced sneezing. Despite this smaller stature, plants struggled to remain upright through the season and required as much supplemental. Amer. 00 Heliopsis helianthoides (Ox-Eye Sunflower) $8. Helenium bolanderi A. 1 Stem leaves very numerous, 0. From Wikimedia Commons, the free media repository. Upright, compact selection. Lawn & Turf Topics; Landscaping; Garden Design; Edible GardeningTall, Helenium ‘Flammenrad’ (‘Flaming Wheel’) produces vibrantly colored daisylike flowers with wide spoon-shaped petals surrounding a prominent chocolate brown center disk that is covered with golden pollen and attracts butterflies. RHS Plants for Pollinators plants. The flowers are in various colors Its delightful brown spherical cones are surrounded by a flowing fringe of bright yellow reflexed petals looking like hundreds of yellow skirted dancers in motion. Loài này được Raf. 5” flowers on this 1’ to 3’ plant have drooping yellow petals. A number of these species (particularly Helenium autumnale) have the common name sneezeweed, based on the former use of their dried leaves in making snuff. Tetrodus and a conspectus of North American Helenium (Compositae). Choose beautiful natives over invasive plants. Helenium flexuosum Raf. The blossoms are elegantly borne. Sociability: I: If possible individually or small tuffs from 1-3- (5) to II: In small groups of 3-5- (10)Helenium flexuosum is often confused with: Helenium autumnale. 1. Tetrodus that has a chromosome number of 2n = 28 is H. 5. Helenium flexuosum Raf. hoopesii were formerly known as H. Lookalikes - H. The petals are held flat, around a chocolate brown cone, which fades to yellow as the flower matures. Compact 4’ plants deliver a cascade of inflorescences for seven weeks from early July through the middle of August. 5” reflexed petals. tall (90 - 100 cm) MARDI GRAS is an erect, clump-forming, sneezeweed with bushy basal growth. On the basis of the above characters and a series of characters that have been judged to have a "primitive" or "advanced" standing within the genus Helenium listed below, a scheme reflecting the evolution that has occurred within and between these two subgroups seems possible. A cheerful US native wilGoodyera pubescens - rattlesnake plantain. Habitat : Moist to wet. It can grow 12 IN - 18 IN - wide 18 IN - 36 IN - tall. 00. The Tennessee-Kentucky Plant Atlas is a source of data for the distribution of plants within the state as well as taxonomic, conservation, invasive, and wetland information for each species. Helenium autumnale L. A native perennial, this 2-to-3-foot species (Helenium flexuosum) is so attractive that it’s often mistaken for better known exotic perennials. Helenium urmenetae. Discussion. So sweet! Like ballerinas dancing in bright tutus throughout the foliage. ‘Potter’s Wheel’ has the most pure red flowers of the top-performing sneezeweeds. There are five primary types of pappus structures each with two or more subtypes: bristles, which can be arranged in one or more rows and range from feathery (subplumose or plumose) to barbed (capillary barbellate or scabrous barbellate)Helenium autumnale : Common sneezeweed Helenium flexuosum : purple-headed sneezeweed Hibiscus moscheutos : Swamp mallow Hibiscus palustris – Hardy Hibiscus Hypericum prolificum : shrubby St John's wort Liatris aspera : Tall, Rough blazing star Maianthemum canadense – Canada Mayflower, False Lily of the Valley Panicum. Because of vegetative offsets, multiple stems usually develop. Helenium flexuosum Taxonomy ID: 53721 (for references in articles please use NCBI:txid53721) current name. Purple Headed Sneezeweed, (Helenium flexuosum), is a perennial in the aster family that grows full or partial sun. The 1. S. Cuba Center has just published Helenium for the Mid-Atlantic Region, a 16-page report detailing the results of a 3-year trial of 44 taxa of Helenium plants. The foliage is compact and bushy. You can view plants by either common or botanical name and sort the list by plant type. Tribus: Helenieae. They surround a dark brown cone covered with golden pollen that attracts butterflies. Purple-head sneezeweed (Helenium flexuosum) leaves are mostly erect. Blooms for weeks from midsummer to fall. across (7 cm), feature 5-10 bright yellow, wedge-shaped, drooping rays. Fibrous-rooted perennial 2–10 dm, ± puberulent or villous- puberulent at least on the stem, the lower part of the stem generally spreading-villous; lvs decurrent but smaller, fewer, and more erect than in no. Purple-headed Sneezeweed Helenium flexuosum Rafinesque Synonyms: Helenium nudiflorum, Purple-head Sneezeweed, Purplehead Sneezeweed. The speices name flexuosum is Latin for pliant and is likely in reference to its bendable square stems. H. Helenium flexuosum, commonly called purple-headed sneezeweed, is most easily distinguished from other sneezeweeds by its spherical, brownish-purple center disk. Helenium flexuosum Raf. Quick View. Helenium flexuosum 'Tiny Dancer'. It prefers moist to wet soils and can tolerate flooding. Compact and bushy, covered in flowers; butterflies adore Helenium. Čtěte Wikipedii o tématu Helenium: Záplevák (Helenium) je rod rostlin s úbory nažloutlých květů. In our trial ‘Sahin’s Early Flowerer’ bloomed for a lengthy seven-week period, just short of the eight-week achieved by two unnamed Helenium flexuosum accessions. Herbaceous Plants. In fact, there is only one known population in Nebraska, although it is possible that others are out there. 6 km S of C-480, 2. It is native to the eastern half of North America. Helenium flexuosum Raf. 8 m (6ft) by 0. Summary. Helenium autumnale is identified to species by having yellow disk florets and broad leaves attached to a conspicuously winged stem. Enjoy the photos. The leaves are lance-shaped, pale green, and are clasped around the. Category: Perennials Water Requirements: Average Water Needs; Water. Viola macloskeyi. Helenium flexuosum Raf. Helenium flexuosum Raf. Family Asteraceae, Subclass Asteridae. Purplehead sneezeweed, hélénie nudiflore Helenium nudiflorum Nuttall. Helenium virginicum. 5. The Board of Trustees of the Royal Botanic Gardens, Kew. Welcome to the North Creek plant catalog! Here you will find information on our perennials, grasses, ferns and shrubs. ]. Plants that fill a similar niche: Coreopsis gladiata. Wikispecies Informationen zu: Helenium. is the name of a plant defined in various botanical sources. In our trials, however, we observed that this cultivar attained an ultimate height of 3’ making this sneezeweed comparable in size and habit to two unnamed Helenium flexuosum accessions included. It is time to start sharing some of my plants at the BFL greenhouse. Purplehead sneezeweed, hélénie nudiflore . Is an erect, fibrous rooted perennial with more or less pubescent stems that grow 4 feet tall and are winged by the decurrent leaf bases. Helenium flexuosumは高さ40インチまでの多年生草本です。 1つの植物で、分岐アレイに80個以上の頭花を生成できます。各頭部には、最大700個の黄色または紫色のディスク小花があり、時には光線小花がなく、時には8-13個の黄色、赤、紫、または茶色の小花があります。 1. S. This species is particularly problematic because it can. One pla…Plant Highlights Purple-headed Sneezeweed Published August 18, 2020 Purple-headed sneezeweed ( Helenium flexuosum) is a native wildflower in most of the. General Product Information. Loài (species) H. inches. Helenium flexuosum Raf. Never collect native plants from the wild as it will deplete natural ecosystems. About 25 percent of the plant species native to North America are at risk of extinction. Den älskar fullt solljus, men gillar att jorden är fuktig och tål inte torra förhållanden särskilt bra. Seed. Authors. Helenium flexuosum: Commonly known as purple-headed sneezeweed, it’s a North American native that sports vibrant yellow petals with a deep purplish-brown center cone. Does NOT cause allergies. This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3. Research has validated the historic use of this plant for liver problems. Plant database entry for Purplehead Sneezeweed (Helenium flexuosum) with 16 images, one comment, and 24 data details. Two sesquiterpene lactone constituents of Helenium flexuosum Raf. Stems usually 1, usually branched distally, strongly winged, glabrous or sparsely hairy proximally, sparsely to moderately hairy distally. Plant Finder; Lawn, Landscape & Garden Design. amarum and H. Helenium flexuosum Raf.