Helenium flexuosum
Sneezeweed, Purple-headed sneezeweed Taxonomy
Synonyms: Helenium nudiflorum Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI Images
   
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Species Distribution
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County Map Legend
Absent: Not known from county Medium confidence: Medium or unknown confidence; often old records or unverifiable observations Medium-high confidence: Often observations by expert botanists High confidence: Often vouchered herbarium records Planted / introduced: Native species introduced outside historic range, or only in planted locations within county (e.g., restorations) Historic / extirpated: Only historic records for the species; likely extirpated (Note that this category is not yet functional) North American distribution maps for this species: FLNA;  USDA Plants;  BONAP;  BISON
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Species Status
Status/Listing: No Information Notes: Origin: Native
Species Description
General: Dicot-herb, perennial Roots: adventitious, fibrous Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Pinnate leaf venation; awl-shaped, linear, oblong, lanceolate, ovate leaf shape Inflorescence: corymb, head Flowers: perfect; complete, regular, irregular; yellow, violet, others; epigynous ovary position Fruit: achene Physiology: autotrophic Reproduction: sexual
Ecology & Natural History
Habitat: Species is distributed in margins of lowland and upland sinkhole ponds, sloughs, ditches, swampy meadows, wet depressions in upland prairies, moist places on rocky glades bordering bluff escarpments. In northern Illinois it is distributed in acid meadows. ILPIN Notes: Disk florets are perfect and fertile, purple-brown. Ray florets are sterile and yellow, occasionally with purple bases. Species was introduced in northern Illinois and is rare there. It is common in southern Illinois. Species has leaves which are widely spaced; strongly decurrent. Functional Relationships:
Human Relationships:
Wildlife and Livestock Information:
Coefficient of Conservatism (C-value) [?] :
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