|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: Annual, perennial herb, subshrub. Stem: prostrate to erect, generally branched. Leaf: generally alternate, simple, entire to pinnately lobed. Inflorescence: heads radiate, generally 1; peduncle long; involucre hemispheric or bell-shaped; phyllaries in 1--2 series, linear to lanceolate; receptacle flat or convex, epaleate. Ray Flower: <= 20, generally fertile; ray oblong, 3-toothed, adaxially yellow, orange, pink, purple, or white, sometimes abaxially blue or purple. Disk Flower: many, bisexual or staminate; corolla tube very short, throat long, yellow or purple; anther base sagittate, short-tailed, tip ovate or triangular-ovate; style with distal collar of hairs, branches very short, appendages widely obtuse. Fruit: ray fruit 3-angled, smooth or tubercled, glabrous, angles sometimes narrowly winged; disk fruit (or sterile ovary) smooth, obovate, flattened, winged, glabrous; pappus 0.
Species In Genus: 19 species: southern Africa. Etymology: (Greek: 2 forms of fruits) Note: Dimorphotheca pluvialis (L.) Moench not naturalized.
eFlora Treatment Author: David J. Keil
Jepson Online Interchange
Key to DimorphothecaPrevious taxon: Dimeresia howellii
Next taxon: Dimorphotheca ecklonis
Citation for this treatment: David J. Keil 2016. Dimorphotheca, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=68396, accessed on May 03, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 03, 2016.