Eriogonum plumatella

Plants shrubs, erect, not scapose, 3–10 (12) dm tall, 3–6 (8) dm across, tomentose or glabrous, grayish or greenish; stems erect, without persistent leaf bases, up to 1⁄2 or more height of plant, the caudex stems absent, the aerial flowering stems erect, slender, solid, not fistulose, 0.5–2 dm long, tomentose or glabrous; leaves basal and cauline, 1 per node, the petioles 0.1–0.5 cm long, mostly tomentose, the blades oblanceolate, 0.6–1.5 cm long, 0.2–0.3 cm wide, tomentose on both surfaces, occasionally slightly less so adaxially, the margins plane; inflorescences cymose, flat-topped and in tiers, 15–40 cm long and wide, the branches dichotomous, divaricately arranged in a zig-zag pattern, tomentose or glabrous, the bracts 3, scalelike, 1–7 mm long; peduncles absent; involucres 1 per node, turbinate, 2–2.5 mm long, 1.5–2 mm wide, glabrous, the teeth 5, erect, 0.4–0.6 mm long; flowers 2–2.5 mm long, the perianth white to pale yellow, glabrous, the hypanthium 1⁄4 dimorphic, those of outer whorl obovate, those of inner whorl oblong, the stamens exserted, 2–4 mm long, the filaments pilose proximally; achenes light brown to brown, 2.5–3 mm long, glabrous.

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