Herbs, spreading, annual, (0.5-) 1-2.5 dm, glandular, greenish or reddish green. Stems: caudex absent; aerial flowering stems erect, solid, not fistulose, 0.3-0.7 dm, glandular. Leaves basal, often sheathing up stem 1-2 cm; petiole 0.3-2 cm, glandular; blade broadly elliptic to oval, 0.5-1.5 × 0.5-1.5 cm, pilose-hirsutulous, slightly glandular and greenish on both surfaces, margins entire. Inflorescences cymose, diffuse, spreading and usually flat-topped, 5-20 × 5-30 cm; branches not fistulose, glandular; bracts 3, scalelike, 0.8-1.2 × 0.5-1 mm. Peduncles deflexed or nearly so, straight, slender, 0.2-0.5 cm at proximal nodes, 0.01-0.1 cm distally, sparsely glandular nearly entire length. Involucres narrowly turbinate, 0.8-1.2(-1.5) × 0.6-1(-1.3) mm, glabrous; teeth 5, erect, 0.3-0.5 mm. Flowers 1-1.8 mm; perianth white to pinkish with dark reddish brown to red midribs, densely pilose; tepals monomorphic, narrowly lance-olate; stamens exserted, 1-1.5 mm; filaments glabrous. Achenes black, 3-gonous, 1-1.3 mm, glabrous.
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