Platycarpheae

Acaulescent perennial herbs without latex; leaves arranged around edge of second- ary head; heads discoid, one- to many-flowered; involu- cre subglobose to cylindrical, bracts somewhat imbricate without hyaline margins; receptacle naked, alveolate; co- rollas purple, mauve, lilac, or pink, occasionally whitish, with five lobes of equal size; anther apical appendage acute not elongate, thecae subequally sagittate (calcar- ate) and without tails (sometimes with very short tails) (ecaudate or caudate); pollen echinate, spines regularly and irregularly arranged; styles slender, in Platycarphella apex slightly rounded and styles with a few distal hairs, otherwise glabrous, in Platycarpha apex slightly tapered, branches terete, with hairs nearly to tip, at maturity style branches arched but not recurved; achenes 3- or 5-sided, dark, oblong, with faint ribs, rugose or smooth, glabrous; pappus of persistent white scales.

Diagnostic Features

Complicated secondary head structures; leaves that are elongate and prostrate; stolons that emanate from the crown at the base of the second- ary head; secondary head and leaves lying more or less flat on the ground; anthers purple; styles lavender; and pollen echinate with spines in a regular arrangement or in irregularly arranged ridges surrounding the colpi in a unique bowtie pattern.

Geographic distribution

Three species in southern Africa.