|University of California, Berkeley|
Key to families | Table of families and genera
1. Perennial herb; stem prostrate, mat-forming; taproot > 3 mm diam; flower hairs sparse, near tip, ± straight ..... P. franciscana
1' Annual; stem ± erect; taproot < 1 mm diam; flower hairs ± dense, on lower 1/2, hooked or tightly coiled at tip
2. Stem 0.5–1.2 cm, ± hidden by leaves; flower 1, 4.2–5 mm; sepal awn 1.5–2 mm; scarious sepal margin 0.5–2 mm wide, tip erect ..... P. ahartii
2' Stem 2–20 cm, not hidden by leaves; flowers 3–12, 2–2.5 mm; sepal awn 0.6–0.9 mm; scarious sepal margin 0.1–0.2 mm wide, tip recurved adaxially ..... P. echinulata var. echinulata
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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