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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Apiaceae (Umbelliferae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: 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.
Species In Genus: +- 75 species: central and southern North America. Etymology: (Greek: bordered, from prominent marginal fruit wing) Note: Fruit wing width given as width of 1 wing, not both together. Lomatium roseanum Cronquist is reported from CaRH, northern SNH, MP.
eFlora Treatment Author: Lincoln Constance & Margriet Wetherwax
Jepson Online Interchange
Key to LomatiumPrevious taxon: Lilaeopsis occidentalis
Next taxon: Lomatium bicolor var. leptocarpum
Citation for this treatment: Lincoln Constance & Margriet Wetherwax 2017. Lomatium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10198, accessed on February 24, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 24, 2017.