Show Lower Taxa
Centromadia pungens
Man. Bot. San Francisco, 196. 1894.
Conservation concern
Basionym: Hartmannia pungens Hooker & Arnott Bot. Beechey Voy., 357. 1839
Synonyms: Hemizonia pungens (Hooker & Arnott) Torrey & A. Gray
Plants 10–120 cm. Leaves glabrous (but for bristly-ciliate margins and midribs), scabrous, or hirsute (not glandular). Involucres 3–6 mm. Anthers yellow to brownish. Pappi 0.
Distribution
Ariz., Calif., Idaho, N.Y., Nev., Oreg., Wash., nw Mexico.
Discussion
Subspecies 2 (2 in the flora).
Selected References
None.
Key
| 1 | Leaves: margins bristly-ciliate, faces glabrous but for bristly midribs; paleae little, if at all, exserted, apices obtuse to acute, sometimes apiculate | Centromadia pungens subsp. laevis |
| 1 | Leaves: margins sometimes ciliate, faces glabrous, scabrous, or hirsute, midribs sometimes bristly; paleae often conspicuously exserted, apices ± attenuate, spine-tipped | Centromadia pungens subsp. pungens |