Eriogonum mensicola

Plants herbs, erect, (1) 1.5–3 dm tall, 1–2 dm across, tomentose, grayish; stems slightly spreading to erect, without persistent leaf bases, up to 1/5 height of plant, the caudex stems absent, the aerial flowering stems erect, slender, solid, not fistulose, 0.5–1 (1.3) dm long, tomentose; leaves basal, 1 per node, the petioles 1–2 cm long, tomentose, the blades round, (0.3) 0.5–1.5 cm long, (0.3) 1–1.5 cm wide, tomentose abaxially, thinly floccose and green adaxially, or white-tomentose on both surfaces, the margins plane; inflorescences cymose with involucres racemosely disposed at tips, 10–15 (20) cm long, 0.6–3 (5) cm wide, the branches dichotomous, tomentose, the bracts 3, scalelike, linear to narrowly triangular and 1–3 mm long, or foliaceous, ovate to orbiculate and 5–12 mm long and wide; peduncles absent; involucres 1 per node, campanulate, 2–3 (4) mm long, 2–4 mm wide, tomentose, the teeth 5, erect, 0.4–0.8 mm long; flowers 3–4 mm long, perianth white to whitish brown, glabrous, the hypanthium 1⁄4 length of perianth, the tepals monomorphic, oblanceolate, the stamens exserted, 3–6 mm long, the filaments pilose proximally; achenes light brown, 2.5–3 mm long, glabrous. 

Flowering Jul-Oct. Rocky to gravelly flats and slopes, sagebrush and mountain mahogany communities, pinyon-juniper and montane conifer woodlands; 1800–2700 m; Inyo Mountains and the Panamint and Coso ranges of Inyo Co., California, disjunct on the Sheep Range in Clark Co., Nevada.

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Pollinator with legs full of pollen/nectar.

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Pollinator with legs full of pollen/nectar.

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Pollinator with legs full of pollen/nectar.

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The pictures of Eriogonum mensicola were taken on July 11 th, close to the Wildrose Charcoal Kilns. The Wildrose Charcoal Kilns were completed in 1877 by the Modock Consolidated Mining Company to provide a source of fuel suitable for use in two smelters adjacent to their group of lead-silver mines in the Argus Range west of Panamint Valley, about 25 miles distant from the kilns.

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The branches of the inflorescences of Eriogonum mensicola are tomentose.

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Leaves basal, 1 per node, the petioles 1–2 cm long, tomentose, the blades round, (0.3) 0.5–1.5 cm long, (0.3) 1–1.5 cm wide, tomentose abaxially, thinly floccose and green adaxially, or white-tomentose on both surfaces, the margins plane.

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Plants herbs, erect, (1) 1.5–3 dm tall, 1–2 dm across, tomentose, grayish; stems slightly spreading to erect, without persistent leaf bases, up to 1/5 height of plant, the caudex stems absent, the aerial flowering stems erect, slender, solid, not fistulose, 0.5–1 (1.3) dm long, tomentose.