All Floras      Advanced Search
FNA Vol. 20 Page 172,173 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 20 | Asteraceae | Petradoria

1b. Petradoria pumila (Nuttall) Greene var. pumila

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.

Flowering summer–fall. Dry, open, rocky places; 1000–3100 m; Ariz., Calif., Colo., Idaho, Nev., N.Mex., Utah, Wyo.


 

Related Objects  
  • Distribution Map
  • Map

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |