Herbs, spreading, not scapose, 1-3.5 × 1-4 dm, glabrous, bright green. Stems spreading, without persistent leaf bases, up to 5 height of plant; caudex stems absent; aerial flowering stems erect, slender, solid, not fistulose, 0.5-1.2 dm, glabrous, tomentose among leaves. Leaves sheathing 1-4(-6) cm, 1 per node; petiole 0.1-0.2 cm, tomentose or glabrous; blade linear or rarely narrowly elliptic, 1-3(-4) × 0.1-0.2(-0.5) cm, densely white-tomentose abaxially, glabrous and green adaxially, margins usually tightly revolute. Inflorescences cymose, 3-15 × 2-10 cm; branches dichotomous, glabrous; bracts 3, scalelike, narrowly triangular, 1-3 mm. Peduncles absent or erect, slender, 0.05-0.2 cm. Involucres 1 per node, turbinate, 2-3 × 1.5-2 mm, glabrous; teeth 5, erect, 0.5-0.8 mm. Flowers 1.5-2 mm; perianth yellow, glabrous; tepals connate proximal 4-3, slightly dimorphic, those of outer whorl ovate, 1-1.2 wide, those of inner whorl oblong, 0.7-0.8 mm wide; stamens exserted, 1.5-2 mm; filaments pilose proximally. Achenes brown, 1.5-2 mm, glabrous.
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