|University of California, Berkeley|
Key to families | Table of families and genera
1. Plant with spines at nodes; leaves 10–30 cm; 2° leaflets 30–60 ..... P. aculeata
1' Plant with thorns in leaf axils or thorn-tipped branches; leaves 1–5 cm or 0; 2° leaflets 2–6 or 8–16
2. Leaf petioled; 2° leaflets 2–6, 4–8 mm; plant with thorns in leaf axils; fruit ± not narrowed between seeds ..... P. florida
2' Leaf sessile; 2° leaflets 8–16, 1–5 mm; plant with thorn-tipped branches; fruit narrowed between seeds ..... P. microphylla
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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