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Genus Arctotheca Family Asteraceae

Description: Annual or perennial herbs with white tomentum, glandular hairs sometimes present.

Leaves basal and rosette forming, cauline and alternate, flat, pinnatisect to entire.

Heads broad-campanulate to hemispherical, solitary, axillary, pedunculate; involucral bracts 3–5-seriate, inner with obtuse membranous tips, outer shorter and narrower with scarious margins; receptacle flat, naked, pitted, pits often with fimbriate margins. Ray florets in 1 row, neuter, sterile, ligulate; disc florets tubular, bisexual, fertile, 5-lobed. Anther bases sagittate, apical appendages ovate acute.

Achenes terete, obovoid, ribbed, densely tomentose or glabrous; pappus of minute scarious scales in 1 row, a corona or absent.


Distribution and occurrence: World: 4 species, southern Africa. Australia: 2 species (naturalized), all States.

Text by L. Murray
Taxon concept:

 Key to the species 
1Leaves deeply lobed and lyrate, green and pubescent above, white tomentose below; disc florets blackArctotheca calendula
Leaves entire [or slightly lobed], ovate to oblate, white tomentose on both surfaces; disc florets yellowArctotheca populifolia

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