Eriogonum luteolum

Herbs, erect or prostrate to spreading, 0.5-6 dm, glabrous or occasionally tomentose, greenish to reddish. Stems: aerial flowering stems prostrate to erect, 0.2-2 dm, glabrous or occasionally tomen-tose. Leaves basal or basal and cauline; basal: petiole 1-8 cm, floccose, blade oblong-ovate, reniform, or rounded to cordate, 0.5-5 × 0.5-3.5 cm, densely white-tomentose abaxially, floccose or glabrous and reddish or greenish adaxially; cauline: petiole 0.5-3 cm, floccose, blade cordate to reniform or orbiculate, 0.5-3 × 0.5-3 cm, similar to basal blade. Inflorescences cymose, occasionally distally uniparous due to suppression of secondary branches, open, 2-50 × 3-40 cm; branches glabrous or occasionally tomentose; bracts 1-3(-4) × 1-2 mm. Peduncles absent or erect, straight, slender, 0.1-0.5 cm, glabrous. Involucres terminal at tips of slender branchlets proximally or appressed to branches, cylindric or occasionally turbinate, 2-4 × 1.5-2.5 mm, glabrous or rarely floccose; teeth 5, erect, 0.3-0.5 mm. Flowers 1-2.5 mm; perianth white to rose or yellow, glabrous; tepals monomorphic, obovate; stamens included, 1-1.5 mm; filaments glabrous. Achenes light brown, 3-gonous, 1-2 mm.