|University of California, Berkeley|
Key to families | Table of families and genera
1. Leaflets 2
2. Leaflets fused at base ..... LARREA
2' Leaflets free at base ..... ZYGOPHYLLUM
1' Leaflets 3 or more
3. Leaflets 3, palmate, spine-tipped; stipules spine-tipped ..... FAGONIA
3' Leaflets 6–18, pinnate, not spine-tipped; stipules not spine-tipped
4. Fruit with many tubercles, 0 spines, 10 nutlets ..... KALLSTROEMIA
4' Fruit with many tubercles, 2–4 stout spines, 5 nutlets ..... TRIBULUS
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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