Crepis runcinata subsp. andersonii

(A. Gray) Babcock & Stebbins

Publ. Carnegie Inst. Wash. 504: 104. 1938.

Common names: Anderson’s hawksbeard
Endemic
Basionym: Crepis andersonii A. Gray Proc. Amer. Acad. Arts 6: 553. 1865
Synonyms: Crepis runcinata var. andersonii (A. Gray) Cronquist
Treatment appears in FNA Volume 19. Treatment on page 235. Mentioned on page 236.

Plants 25–50 cm. Leaves: petioles broadly winged; blades oblanceolate, 2–3 cm wide, margins strongly and coarsely serrate or toothed (teeth prominently white-tipped), faces glabrous or hispidulous. Heads 6–20. Involucres 19–21 mm. Phyllaries broadly lanceolate, apices long-acuminate, faces usually stipitate-glandular. Cypselae pale yellow to reddish brown, 6–8 mm, ± distinctly beaked; pappi 6–9 mm. 2n = 22.


Phenology: Flowering May–Jul.
Habitat: Alkaline seeps, grasslands, moist alkaline valley bottoms
Elevation: 1200–1500 m

Discussion

Subspecies andersonii is identified mainly by the relatively large involucres with densely stipitate-glandular phyllaries and the leaf margins with sharp, prominently white-tipped teeth.

Selected References

None.

Lower Taxa

None.
David J. Bogler +
(A. Gray) Babcock & Stebbins +
Crepis andersonii +
Anderson’s hawksbeard +
Calif. +  and Nev. +
1200–1500 m +
Alkaline seeps, grasslands, moist alkaline valley bottoms +
Flowering May–Jul. +
Publ. Carnegie Inst. Wash. +
Crepis runcinata var. andersonii +
Crepis runcinata subsp. andersonii +
Crepis runcinata +
subspecies +