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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
Perennial herb, from taproot or generally deep-seated tuber, glabrous to tomentose. Stem: 0 or erect, simple or branched; base fibrous or not. Leaf: blade oblong to triangular-ovate or obovate, ternately, pinnately, or ternate-pinnately dissected or compound, segments or leaflets thread-like to wide; old basal leaf sheaths fibrous-persistent or not. Inflorescence: umbels compound, peduncled; bracts generally 0; bractlets generally present, 0 to conspicuous; rays, pedicels spreading to erect, generally webbed at base. Flower: calyx lobes generally 0; petals wide, yellow, white, or purple, tips narrowed; ovary tip projection 0. Fruit: linear to obovate, compressed front-to-back; marginal ribs widely to narrowly thin or thick-winged, others thread-like; oil tubes 1–several per rib-interval; fruit axis divided to base. Seed: face flat to concave.Key to Lomatium
± 75 species: central and southern North America. (Greek: bordered, from prominent marginal fruit wing) [Constance & Ertter 1996 Madroño 43:515–521] Fruit wing width given as width of 1 wing, not both together. Lomatium roseanum Cronquist is reported from High Cascade Range, northern High Sierra Nevada, Modoc Plateau.
Unabridged references: [Schlessman 1984 Syst Bot Monogr 4:1–55; Matthias 1938 Ann Missouri Bot Gard 25:225–297]
Plant 1.5–4.5 dm, glabrous to finely scabrous or hairy; taproot generally slender. Stem: ± 0. Leaf: petiole 4–7 cm; blade 5–30 cm wide, triangular-ovate to obovate, 1–3-ternately or ternate-2-pinnately dissected, segments 2–60 mm, linear, pointed. Inflorescence: peduncle 1–4 dm, erect or spreading; bractlets sessile or not, generally = flowers, lanceolate to obovate, entire or toothed, scarious-margined, veiny, green to ± purple; rays 6–15, 1–12 cm, generally spreading-ascending; pedicels 2–8 mm. Flower: corolla yellow (± purple). Fruit: 6–13 mm, ovate to obovate, glabrous; wings ± thick, < body in width. Varieties poorly defined. [Online Interchange]
Inflorescence: bractlets lanceolate to oblanceolate (0), not overlapping. Fruit: wings thick, narrow.
2n=44. Vernal pools, open grassland; 60–500 m. High North Coast Ranges, Cascade Range Foothills, Sacramento Valley. Apr–May [Online Interchange]
Unabridged synonyms: [Lomatium humile (J.M. Coult. & Rose) Hoover ex Mathias & Constance]
Previous taxon: Lomatium caruifolium var. caruifolium
Next taxon: Lomatium ciliolatum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 29 2014
Citation for this treatment: [Author of taxon treatment] 2013. Lomatium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=61027, accessed on Jul 29 2014
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