Eriogonum novonudum

Plants herbs, erect, not scapose, (3) 3.5–9 dm tall, 0.5–1 dm across; stems spreading, without persistent leaf bases, up to 1/5 height of plant, the caudex stems absent, the aerial flowering stems erect, slender, solid, not fistulose, 1.5–3.5 (4) dm long, glabrous; leaves basal, 1 per node, the petioles (1) 2–4 (6) cm long, tomentose, the blades spatulate to narrowly obovate, 1–3 (4) cm long, 0.3–0.8 (1.3) cm wide, densely white-tomentose on both surfaces, the margins plane; inflorescences elongate cymose-umbellate, 8–45 (50) cm long, 5–10 cm wide, the branches dichotomous, glabrous, the bracts 3–5, scalelike, triangular, 1–2 mm long; peduncles absent or 0.1–0.25 cm long; involucres 2–5 per cluster, turbinate, 3–5 mm long, 2–3 mm wide, rigid, glabrous, the teeth 6–8, erect, 0.5–1 mm long; flowers (1.5) 2.5–3.5 mm long, the perianth dull greenish-white to pale yellow, glabrous, the hypanthium only at base of perianth, the tepals monomorphic, lanceolate to oblong, the stamens exserted, 3–5 mm long, the filaments pilose proximally; achenes light brown, 2.5–3 mm long, glabrous.


Flowering May-Sep. Sandy clay slopes and washes, saltbush and sagebrush communities, juniper woodlands; 700–1200 m; known from few scattered populations mainly in the Leslie Gulch area of Malheur Co., Oregon, and in the Squaw Creek area of Owyhee Co., Idaho.


All the pictures of Eriogonum novonudum have been taken south-west of Rome in Malheur county, Oregon, on June 19 th 2014.