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Key to families | Table of families and genera
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, Mediterranean. (Ancient name used by Dioscorides) TOXIC: rarely eaten by livestock.
1. Inflorescence disk-like receptacle 0; rays spreading in fruit; cauline leaf segments lanceolate to round, finely serrate ..... A. majus
1' Inflorescence 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].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.