Shrubs, dioecious. Leaves crowded, alternate, simple, small, entire, pubescent. Capitula terminal, sessile, homogamous, discoid; involucres cylindrical or turbinate; bracts imbricate in several rows, oblong, cartilaginous, the inner recurved when mature, deciduous; receptacle small, naked. Florets 1–5 (–6). Male florets: corolla slender-terete, dilated above, with 5 narrow oblong acute lobes, glabrous; style branches exserted, appressed to each other; anthers shortly exserted with appendages lanceolate, base calcarate or tailed; achene abortive; pappus bristles numerous, shortly plumose or scabrid. Female florets: corolla slender-terete; staminodes minute, enclosed; style branches spreading, narrowly semiterete, papillose externally with a thick vascular strand; achene narrowly cylindrical, multinerved, glabrous or sparsely glandular. Pappus of barbellate bristles.
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