|University of California, Berkeley|
|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, glabrous, +- glaucous; root tuberous. Stem: 0 or short. Leaf: basal, generally recurved or spreading; lowest bladeless, scarious sheaths; blades ovate to triangular-ovate, 1--3-ternately dissected, segments generally linear to lanceolate, elongate. Inflorescence: umbels compound, peduncled; bracts 0; bractlets 0--few, minute; rays few, spreading; pedicels few, 0 to short. Flower: calyx 0; petals obovate, white, tips narrowed; ovary tip projection 0. Fruit: +- ovate, compressed front-to-back; marginal ribs corky-winged, incurved, not wing-like, others thread-like; oil tubes per rib-interval several; fruit axis a corky ridge along middle of each fruit half. Seed: face +- concave.
Species In Genus: 2 species: western North America. Etymology: (Greek: mountain race)
eFlora Treatment Author: Lincoln Constance & Margriet Wetherwax
Jepson Online Interchange
Previous taxon: Oreonana vestita
Next taxon: Orogenia fusiformis
Citation for this treatment: Lincoln Constance & Margriet Wetherwax 2017. Orogenia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10205, accessed on January 23, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 23, 2017.