Helianthus praecox subsp. praecox

Common names: Texas sunflower
EndemicConservation concern
Synonyms: Helianthus debilis subsp. praecox
Treatment appears in FNA Volume 21. Treatment on page 152. Mentioned on page 151.

Stems procumbent to erect, branches horizontal, moderately hispid or hirsute. Leaves (at least larger) 3–8 cm. Peduncles 15–30 cm. Phyllary apices short-acuminate. Paleae: middle teeth puberulent. Rays 14–15. 2n = 34.

Phenology: Flowering early summer–fall.
Habitat: Sandy soils
Elevation: 0–50 m


Of conservation concern.

Selected References


Lower Taxa