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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
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 1.5–10 dm, generally finely soft-hairy or puberulent; taproot slender to massive. Stem: prominent. Leaf: petiole 7–20 cm, sheathing ± to middle; blade 7–20 cm, oblong-ovate to triangular-ovate or obovate, 1–2-ternate-pinnate, leaflets 1.5–20 cm, linear to lance-ovate, generally entire; cauline leaves 0 or generally sheathing throughout. Inflorescence: peduncle generally 1–4.5 dm, spreading to erect; bractlets (0)3–8, 1–5 mm, thread-like to lance-linear, ± scarious; rays 5–20, 2–10 cm, spreading or spreading-ascending, unequal; pedicels 1–10 mm. Flower: corolla yellow; ovary glabrous to densely puberulent. Fruit: 6–22 mm, oblong, puberulent or glabrous; wings generally < body in width. Lomatium triternatum var. anomalum (J.M. Coult. & Rose) Mathias evidently not in California. Varieties poorly defined. Variable in Great Basin Floristic Province, adjacent areas. [Online Interchange]
Unabridged note: Expanded author citation: Lomatium triternatum var. anomalum (M.E. Jones ex J.M. Coult. & Rose) Mathias.
Flower: ovary glabrous.
2n=22,44. Open serpentine ridges, scrub, pine forest; 200–2000 m. Klamath Ranges, North Coast Ranges, Warner Mountains; to Washington, western Canada, Montana, western Nevada. Apr–Jul [Online Interchange]
Unabridged synonyms: [Lomatium nudicaule var. puberulum Jeps.]
Previous taxon: Lomatium triternatum var. macrocarpum
Next taxon: Lomatium utriculatum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 10 2014
Citation for this treatment: [Author of taxon treatment] 2012. Lomatium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=61065, accessed on Mar 10 2014
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