Eriogonum wrightii var. wrightii

Plants subshrubs or shrubs, (1) 1.5–5 (7.5) dm tall, 1–12 (18) dm across; aerial flowering stems mostly tomentose; leaves with petiole bases not forming distinct ring around stem, the blades oblanceolate to elliptic, 0.5–1.5 cm long, 0.2–0.5 (0.7) cm wide, the margins usually plane; inflorescences virgate or cymose, the branches slender; involucres 1 per node, turbinate to narrowly campanulate, 2–2.5 mm long; flowers 2.5–3.5 mm long, the perianth white to pink or rose, the hypanthium 1⁄4 length of perianth, the tepals monomorphic or nearly so, obovate, the stamens exserted, 1.5–4 mm long, the filaments glabrous or sparsely pilose proximally; achenes 2.5–3 mm long. Continue reading

Eriogonum wrightii var. trachygonum

Plants subshrubs, 1.5–4 dm tall, 1–5 dm across; aerial flowering stems mostly densely tomentose; leaves with petiole bases not forming distinct ring around stem, the blades elliptic, 1.5–3 cm long, 0.5–1 cm wide, the margins usually plane; inflorescences virgate or cymose, the branches dichotomous, usually stout; involucres 3–4 mm long; flowers 3–4 mm long, the perianth white to pink or rose; achenes 2.5–3 mm long. Continue reading

Eriogonum wrightii var. subscaposum

Plants herbs, loosely matted, 0.5–2.5 (3) dm tall, 1–3 (5) dm across; aerial flowering stems tomentose or glabrous; leaves with petiole bases not forming distinct ring around stem, the blades oblanceolate to elliptic, 0.5–1 (1.2) cm long, 0.2–0.4 (0.5) cm wide; inflorescences virgate or cymose, the branches dichotomous, mostly slender; involucres 1.5–4 mm long; flowers 2–3 mm long, the perianth white to pink; achenes 2–2.5 mm long. 2n = 34.

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