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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, subshrub]. Stem: erect [decumbent], branched. Leaf: simple, basal and cauline, alternate; petioled or not; blades entire to pinnately lobed, white-woolly or sparsely cobwebby. Inflorescence: heads radiate, 1, long-peduncled; phyllaries graduated in +- 3--6 series, cobwebby to bristly; receptacle flat, pitted (pit margins often ciliate), epaleate. Ray Flower: corolla white, yellow, orange, pink or purple, often with proximal markings, abaxially generally red-purple or violet. Disk Flower: generally bisexual; anther base minutely sagittate, tip ovate-triangular; style slender proximally, thickened distally to a minutely hairy node, branches minute. Fruit: ovoid to oblong; abaxially with 2--3 wings +- bent inward forming 1--2 cavities or furrows; adaxially +- longitudinally ridged, glabrous to hairy; pappus 0, or of +- overlapping scales in 1--2 series (occasionally minute).
Species In Genus: +- 60 species: southern Africa. Etymology: (Greek: bear's ear, probably for woolly fruit) Note: Arctotis fastuosa Jacq. [Venidium fastuosum (Jacq.) Stapf], a rare escape from cultivation, has bright orange to yellow rays, obconic fruit 1--1.5 mm, glabrous, wrinkled, with 1 abaxial furrow and no basal cluster of hairs, and pappus 0.
eFlora Treatment Author: Alison M. Mahoney & Robert J. McKenzie
Jepson Online Interchange
Previous taxon: Arctotheca prostrata
Next taxon: Arctotis venusta
Citation for this treatment: Alison M. Mahoney & Robert J. McKenzie 2016. Arctotis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=318, accessed on December 03, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 03, 2016.