Helianthus microcephalus
Wood sunflower, Small wood sunflower Taxonomy
Synonyms: Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI 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, opposite leaf arrangment; simple leaf type; entire, dentate leaf margin; Pinnate leaf venation; oblong leaf shape Inflorescence: head Flowers: perfect; complete, regular, irregular; yellow; epigynous ovary position Fruit: achene Physiology: autotrophic Reproduction: vegetative
Ecology & Natural History
Habitat: Species is distributed in open woods and sandy fields. ILPIN Notes: Seeds are useful in bread, oil, and coffee substitute. Rodgers, C.F., T.E. Thompson, and G.J. Seiler. 1982. Sunflower species of the United States. National Sunflower Association, Bismark, N.D. 75 pp. Species is recognized by its small head, hairless stems, and relatively long petioles. Outer involucral bracts are loose, spreading with long, pointed tips. Species may reach 3-4 1/2 in. Leaf venation may be pinnate or other. Disk florets are perfect and fertile, ray florets are sterile. Plants have numerous crown buds on fibrous roots. Functional Relationships:
Human Relationships:
Wildlife and Livestock Information:
Coefficient of Conservatism (C-value) [?] :
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