|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, taprooted, cushion-forming, generally coarsely hairy or tomentose. Stem: 0. Leaf: basal-most bladeless sheaths; distal blades narrowly ovate to round, pinnately or ternately dissected, segments lanceolate or oblong. Inflorescence: umbels compound, head-like, spheric or hemispheric; peduncles spreading; bracts 0; involucel 1-sided, bractlets fused to +- free; rays few to many, spreading to spreading-ascending; fertile pedicels short, sterile > fruit. Flower: bisexual, staminate, or sterile; calyx lobes conspicuous or not; petals spoon-shaped or oblanceolate, generally white or yellow, or purple in age, early-deciduous, tips narrowed; ovary tip projection 0. Fruit: ovate to round, +- compressed side-to-side to cylindric, hairy; ribs +- equal, thread-like; oil tubes several per rib-interval; fruit axis divided to base. Seed: face deeply grooved.
Species In Genus: 3 species: high mountains of CA-FP. Etymology: (Greek: mountain dwarf)
eFlora Treatment Author: Lincoln Constance & Margriet Wetherwax
Jepson Online Interchange
Key to OreonanaPrevious taxon: Oenanthe sarmentosa
Next taxon: Oreonana clementis
Citation for this treatment: Lincoln Constance & Margriet Wetherwax 2016. Oreonana, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10203, accessed on February 12, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 12, 2016.