Eriogonum wetherillii

Plants herbs, spreading, annual, 0.5–2.5 dm tall, glabrous, reddish-green to reddish; stems with caudex absent, the aerial flowering stems erect, solid, not fistulose, 0.1–0.4 dm long, glabrous except somewhat villous proximally; leaves basal, the petioles 1–5 cm long, tomentose to floccose, the blades oblong to orbiculate, (0.5) 1–4 cm long, (0.5) 1–3 cm wide, densely white-tomentose abaxially, floccose to glabrate and reddish or greenish adaxially, the margins plane; inflorescences cymose, diffuse, flat-topped to rounded, 5–20 cm long, 10–35 cm wide, the branches glabrous, the bracts 3, scalelike, 0.5–2 mm long, 1–2 mm wide; peduncles erect, straight, filiform, (0.3) 0.5–1 cm long, glabrous, rarely absent distally; involucres turbinate, (0.3) 0.5–1 mm long, (0.2) 0.5–1 mm wide, glabrous, the teeth 4, erect, 0.1–0.3 mm long; flowers 0.5–1.2 mm long in early anthesis, becoming 1–1.5 mm long, the perianth yellowish to red in early anthesis, becoming pink to rose, glabrous, the tepals monomorphic, elliptic to obovate, the stamens included to slightly exserted, 0.7–1 mm long, the filaments glabrous; achenes dark brown to black, lenticular, 0.6–1 mm long, glabrous.


Flowering Apr-Oct. Sandy to clayey flats, washes, and slopes, saltbush, greasewood, blackbrush, and creosote bush communities, oak and pinyon and/or juniper woodlands; 1000–2100 (2700) m; Colorado Plateau in northern Arizona (Apache, Coconino, and Navajo cos.), southwestern Colorado (Montezuma Co.), northwestern New Mexico (San Juan Co.), and southeastern Utah (Emery, Garfield, Grand, Kane, San Juan, eastern Sevier, and Wayne cos.).