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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, biennial, taprooted, glabrous.
Stem: erect, branched.
Leaf: blade oblong to ovate, pinnately or ternately dissected, segments lanceolate to thread-like.
Inflorescence: umbels compound; bracts, bractlets many, leaf-like; rays, pedicels many, spreading- ascending to incurved in fruit.
Flower: calyx lobes minute; petals wide, white, tips 2-lobed.
Fruit: oblong to ovate, ± cylindric, compressed side-to-side; ribs ± equal, thread-like; oil tube 1 per rib-interval; fruit axis entire or divided.
Seed: face flat.
± 6 species: Eurasia, Medit. (Ancient name used by Dioscorides) TOXIC: rarely eaten by livestock.
1. Infl disk-like receptacle 0; rays spreading in fruit; cauline leaf segments lanceolate to round, finely serrate ..... A. majus
1' Infl with disk-like receptacle; rays incurving in fruit to form a nest-like umbel; cauline leaf segments linear ..... A. visnaga
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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