Leiocarpa

Perennial herbs with glandular and/or cottony hairs. Leaves cauline, sessile, alternate, entire. Capitula solitary, terminal, pedunculate, hemispherical to turbinate; involucral bracts 2–5-seriate, equal or outer shorter, scarious, herbaceous or cartilaginous, with a narrow scarious margin; receptacle convex or conical, naked. Florets numerous, bisexual or the outer female, yellow or white; corolla deeply 5-lobed (3 or 4 in female); anthers tailed at base; style branches linear with truncate to rounded apices. Cypselas terete or somewhat compressed, with 2–4 ribs, not beaked, smooth or sparsely glandular with a few minute unicellular hairs. Pappus 1-seriate, of basally connate barbellate bristles, plumose or subplumose at apex, persistent, sometimes fewer or absent in female florets.