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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual to perennial herb [shrub, tree], generally from taproot. Stem: generally ± scapose, generally ribbed, hollow. Leaf: basal and generally cauline, generally alternate; stipules generally 0; petiole base generally sheathing stem; blade generally much dissected, occasionally compound. Inflorescence: umbel or head, simple or compound, generally peduncled; bracts present in involucres or 0; bractlets generally present in "involucels". Flower: many, small, generally bisexual (or some staminate), generally radial (or outer bilateral); calyx 0 or lobes 5, small; petals 5, free, generally ovate or spoon-shaped, generally incurved at tips, generally ± ephemeral; stamens 5; pistil 1, ovary inferior, 2-chambered, generally with a ± conic, persistent projection or platform at tip subtending 2 free styles. Fruit: 2 dry, 1-seeded halves (= mericarps), separating from each other but generally ± persistent to central axis; ribs on halves 5, 2 marginal, 3 to back; oil tubes 1–several per interval between ribs.
300 genera, 3000 species: ± worldwide, especially temperate; many cultivated for food or spice (e.g., Carum, caraway; Daucus; Petroselinum); Bupleurum lancifolium Hornem. is historical garden weed; some toxic (e.g., Conium). Mature fruit generally critical in identification, shape given in outline. Hydrocotyle moved to Araliaceae. Petroselinum crispum (Mill.) A.W. Hill is a waif. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Key to Apiaceae
Biennial, taprooted; herbage glabrous, musty-scented. Stem: erect, branched. Leaf: blade ovate to triangular-ovate, pinnately dissected or compound, segments or leaflets lanceolate or oblong to ovate, serrate to 1–2-pinnately lobed. Inflorescence: umbels compound, terminal, lateral; bracts, bractlets small, few; rays, pedicels ± many, spreading-ascending. Flower: calyx lobes 0; petals wide, ± white, tips narrowed. Fruit: ovoid to spheric, ± compressed side-to-side; ribs ± equal, low; oil tubes 0; fruit axis divided to base. Seed: face grooved.
± 6 species: Europe, southern Africa. (Greek name used by Dioscorides) TOXIC: highly toxic alkaloids used in ancient Greece for capital punishment (e.g., Socrates); many human deaths, rarely eaten by livestock.
Previous taxon: Conioselinum pacificum
Next taxon: Conium maculatum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 1 2015
Citation for this treatment: [Author of taxon treatment] 2013. Conium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10177, accessed on Apr 1 2015
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