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Key to families | Table of families and genera
This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.
Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
Annual, unarmed, ± glabrous or hairy.
Stem: sprawling or ascending, 2–7 dm.
Leaf: odd-1- pinnate; stipules small or 0; leaflets many, mucronate.
Inflorescence: axillary, head-like, 1–5-flowered, subtended by cluster of bracts or not.
Flower: calyx lobes ± equal, < tube; corolla 6–9 mm; 9 filaments fused, 1 free.
Fruit: indehiscent, linear or oblong, flat or not, separating into 1-seeded segments, surface strongly net-like.
± 5 species: w Eur, Medit, to sw Asia, 1 in South America. (Greek: birdfoot)
1. Fr not flat, narrowed ± between seeds or not; inflorescence not subtended by bracts; leaflets 7–15 ..... O. pinnatus
1' Fr flat, narrowed between seeds; inflorescence subtended by cluster of leaf-like bracts; leaflets ± 19–37 ..... O. sativus
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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