Petradoria pumila var. pumila
IllustratedEndemic
Treatment appears in FNA Volume 20. Treatment on page 172.
Stems 0.8–3 cm. Leaf blades usually 3–5-nerved, broadly linear to oblanceolate, rarely lanceolate, 30–120 × 2–12 mm. Heads 25+. Involucres 6–9.5 × 1.9–3 mm. Phyllaries 10–21. Ray florets (1–)2–3; corollas 4.5–9 mm, laminae 1–2.4 mm wide. Disc florets 2–4; corollas 4.5–6.2 mm, lobes 0.8–1.3 mm. 2n = 18, 36.
Phenology: Flowering summer–fall.
Habitat: Dry, open, rocky places
Elevation: 1000–3100 m
Distribution
Ariz., Calif., Colo., Idaho, Nev., N.Mex., Utah, Wyo.
Discussion
Selected References
None.
Lower Taxa
None.