Adenocaulon W.J. Hooker.

Herbs, erect, annual or perennial. Leaves alternate; lower ones whitish beneath, long petiloed. Heads heterogamous, disciform, small, in glandular panicles. Involucre campanulate; bracts 5, unequal, herbaceous. Receptacle flat. Florets all tubular; outer 4 - 7, female, fertile, rarely with imperfect achenes; inner 4 - 5, hermaphrodite, sterile. anther bases entire or minutely 2-toothed. Achenes obovoid, obscurely ribbed, covered with stalked glands. Pappus absent.

Temperate Asia, and America; 5 species, 1 in India.

List of Lower Taxa