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Helianthus hirsutus Raf.
Hairy sunflower, Rough Sunflower
Synonym(s): Helianthus hirsutus var. stenophyllus, Helianthus hirsutus var. trachyphyllus, Helianthus stenophyllus
USDA Symbol: HEHI2
USDA Native Status: L48 (N), CAN (I)
Hairy sunflower, H. hirsutus, only 12-18 inches tall with leaves finely toothed, up to 6 inches long, tapering from 2 inches wide at the base to a fine point at the end. Stems and leaves are bristly. Ray flowers are 1 inch long and yellow. Disk flowers are brownish to yellow.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Bloom InformationBloom Color: Yellow , Brown
Bloom Time: Aug , Sep , Oct , Nov
Herbarium Specimen(s)NPSOT 0630
Collected Nov 5, 1993 in Bexar County by Mike Fox
Record Last Modified: 2010-04-17
Research By: TWC Staff