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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: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual, perennial herb from rhizome or stolon, generally 3--9 dm; +- aromatic. Stem: 1--5+, ascending to erect, sparingly branched, long-soft-hairy or silvery, or becoming +- glabrous. Leaf: alternate, proximal petioled, distal sessile; oblanceolate to obovate or spoon-shaped, (1)2(3)-pinnately lobed, primary lobes often divided into comb-like divisions, ultimate margins serrate or entire, faces long-soft hairy to +- glabrous. Inflorescence: heads radiate [discoid], 1 or in loose, +- flat-topped clusters; involucres +- hemispheric; phyllaries persistent, graduated in 3--5 series, free, lanceolate to deltate, margin and tip scarious; receptacle +- hemispheric, paleate, paleae elliptic to oblong, +- flat, +- stiff-pointed. Ray Flower: generally 12--21, fertile or not; corolla yellow [white or +- pink], ray oblong, often reflexed, persistent on fruit. Disk Flower: 80--200+; corolla generally yellow, tube < funnel-shaped throat, not expanded at base, lobes triangular. Fruit: +- obconic, +- 4-angled, +- compressed front-to-back, smooth or obscurely 3--10-ribbed on each face, glabrous; pappus crown-like.
Species In Genus: 40 species: Europe, southwestern Asia, northern Africa. Etymology: (Greek: cup)
eFlora Treatment Author: Linda E. Watson
Jepson Online Interchange
Previous taxon: Cosmos sulphureus
Next taxon: Cota tinctoria
Citation for this treatment: Linda E. Watson 2016. Cota, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=68320, accessed on December 10, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 10, 2016.