Helianthus exilis

Helianthus exilis
	Dried helianthus exilis
Conservation status
	; Near Threatened (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Helianthus
Species:	H. exilis
Binomial name
	Helianthus exilis; A.Gray

Helianthus exilis is a species of

Napa County and Nevada County), where it grows mainly in mountainous areas, often in serpentine soils.^[2]

Helianthus exilis is an erect annual reaching heights over a meter (40 inches)). It has a hairy, rough stem with leaves lance- or oval-shaped, usually pointed, sometimes serrated along the edges, and 3 to 15 centimeters (1.2-6.0 inches) long. The

disc florets. The achene is 3 to 5 millimeters (0.12-0.20 inches) long.^[3]

References

External links

C.Michael Hogan, ed. 2010. Helianthus bolanderi. Encyclopedia of Life
Jepson Manual Treatment

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[1] The Plant List, Helianthus exilis A.Gray

[2] Calflora taxon report, University of California, Helianthus exilis Gray serpentine sunflower

[3] Flora of North America, Helianthus exilis A. Gray, 1865. Serpentine sunflower

[2]

[3]