Source:
SSA
Description:
Perennial herbs, acaulescent, scapigerous, with milky latex, with simple or branched taproots. Leaves rosulate, entire, sinuate, mostly runcinate-dentate to pinnatifid-pinnatisect. Scapes 1-many, simple, hollow. Capitula ligulate, solitary, terminal. Involucre campanulate or oblong; bracts in 2 rows, inner row erect, outer row shorter and spreading or recurved. Receptacle flat, epaleate, pitted. Florets bisexual, fertile; corolla yellow, rarely white, strap-shaped. Anthers sagittate at base; auricles shortly setaceous-acuminate. Style with branches long, slender; sweeping hairs long. Cypselas obovoid -fusiform, ribbed apically scabrid to transversely muricate, with distinct, long, slender beak. Pappus of many, long, unequal, scabrid-barbellate bristles. x = 6, 8 (4, 5, 7, 9, 10, 13, 17) (aneuploids, high polyploidy, B-chromosomes).
Distribution:
Species 60, north temperate regions and temperate South America; 15 in sthn Afr., not known from Namibia and Botswana.
Classification:
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