Plants herbs, erect to slightly spreading, 0.5–1.5 (2) dm tall, floccose to tomentose, greenish to tawny; aerial flowering stems mostly erect, 0.05–0.3 dm long, floccose to tomentose; leaves basal, the petioles 1–3 (5) cm long, tomentose, the blades rounded to cordate, cm long, 1–2 (2.5) cm long and wide, densely white-tomentose abaxially, tomentose to floccose and occasionally greenish adaxially; inflorescences narrowly cymose, distally uniparous due to suppression of secondary branches, diffuse, 5–15 (20) cm long, 5–20 (30) cm wide, the branches inwardly curved distally, floccose to tomentose, the bracts 0.5–3 mm long, 1–3 mm wide; peduncles absent; involucres appressed to branches, cylindric-turbinate, 1–1.3 mm long, 0.5–0.7 mm wide, floccose, the teeth 5, erect, 0.1–0.2 mm long; flowers 1–3 (3.5) mm long, the perianth pale yellow or yellow, rarely creamy white, becoming red, glabrous, the tepals dimorphic, those of outer whorl broadly fan-shaped, those of inner whorl oblanceolate, the stamens included, 1–1.5 mm long, the filaments pilose proximally; achenes light brown, trigonous, 1–1.3 mm long.
Flowering Mar-Oct. Sandy to gravelly washes, flats, and slopes, saltbush, greasewood, creosote bush, blackbrush, and sagebrush communities, pinyon and/or juniper woodlands; (300) 500–2300 (2700) m; Great Basin and the Mojave Desert of eastern California (Inyo, Kern, Lassen, Los Angeles, Mono, Riverside and San Bernardino cos.) and Nevada (Carson City, Churchill, Clark, Douglas, Elko, Esmeralda, Eureka, Humboldt, Lander, Lincoln, Lyon, Mineral, Nye, Pershing, Storey and Washoe cos.), extending into northwestern Arizona (Mohave and Yavapai cos.), southwestern Idaho (Owyhee and Twin Falls cos.), southeastern Oregon (Harney and Malheur cos.), and southwestern Utah (Washington Co.).
The Chidago Canyon was an adventure with my 27 feet RV. The BLM forgot to put a sign to discourage the entry of such vehicles in the canyon! At one point, I got stuck in the canyon and I had to force my way to get free. The Chidago Canyon is a very powerful place.
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