Wild, H. (1980)
The Compositae of the Flora Zambesiaca area, 12. Inuleae (continued). Kirkia 12(1) 23-113
Description of the genus
Robust perennial herbs
(in ours). Leaves alternate, simple. Capitula homogamous with 0 ray florets or heterogamous and radiate with ray florets female; disk florets bisexual. Phyllaries many-seriate. Receptacular
scales 0. Achenes ± cylindric, 4-12-ribbed. Pappus
1-seriate, setaceous; setae few or many, often unequal.
Worldwide: c. 90 species occurring in the temperate and warm regions of the Old World