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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.
Biennial, perennial herb, taprooted or fibrous-rooted from rhizome. Stem: prostrate to erect, hollow, generally rooting from proximal nodes, glabrous. Leaf: blade oblong to obovate, 1-pinnate, leaflets paired, lanceolate to ± round. Inflorescence: umbels compound, peduncled or not; bracts, bractlets conspicuous to 0; rays, pedicels few, spreading-ascending. Flower: calyx lobes 0 or minute; petals wide, white to ± green-white; ovary tip projection occasionally flat. Fruit: ovate-oblong to round, compressed side-to-side; ribs ± equal, thread-like to obtuse and ± corky; oil tube 1 per rib-interval; fruit axis entire or notched at tip. Seed: face flat.
± 20 species: generally southern hemisphere, also Eurasia. (Classical name for celery)
1. Plant ± erect, terrestrial; bracts, bractlets 0 ..... A. graveolens
1' Plant prostrate to ascending, generally aquatic; bracts few or 0, bractlets >= pedicels ..... [A. nodiflorum]
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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