|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: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Perennial herb, subshrub. Stem: many from base. Leaf: simple, generally opposite (or distal-most alternate), petioled, deltate-ovate, puberulent, gland-dotted; tip long-acuminate. Inflorescence: heads discoid, small, 3--30+ in +- flat-topped cyme-like clusters, these often in leafy-bracted, compound cyme-like clusters; peduncle slender; involucre cylindric to bell-shaped; phyllaries in 1 series, linear, +- fused; receptacle rounded, epaleate. Flower: 30--70; corolla 4-lobed, creamy yellow; anther tips triangular; style tips linear, tapered. Fruit: oblanceolate, flat, black, puberulent, margins +- thickened, densely ciliate; pappus a low crown of fringed scales, sometimes with 1--2 bristles.
Species In Genus: 2 species: southwestern United States, northern Mexico. Etymology: (Greek: hairs around, from ciliate fruit margin)
eFlora Treatment Author: David J. Keil
Jepson Online Interchange
Previous taxon: Pentachaeta lyonii
Next taxon: Pericome caudata
Citation for this treatment: David J. Keil 2016. Pericome, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=548, accessed on October 21, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on October 21, 2016.