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FNA | Family List | FNA Vol. 5 | Polygonaceae | Eriogonum

62a. Eriogonum ochrocephalum S. Watson var. ochrocephalum

White-woolly wild buckwheat

Leaf blades oblanceolate to elliptic or ovate to obovate, 1-2 × (0.3-)0.5-1(-1.5) cm. Scapes 0.5-1.5(-2) dm, glandular at least proximal to inflorescence. Involucres turbinate-campanulate to campanulate, 3-5(-6) × 3-4.5(-5) mm, sparsely to densely floccose, occasionally sparsely glandular. Flowers 2-2.5(-3) mm; perianth glabrous or rarely weakly glandular. Achenes 1.5-2.5 mm.

Flowering May-Jun. Volcanic or gumbo clay flats and slopes, saltbush and sagebrush communities, juniper woodlands; 1300-1700(-2500) m; Calif., Nev.

Variety ochrocephalum occurs in Lassen and Modoc counties, California, and in Carson City, Douglas, Lyon, Pershing, Storey, and Washoe counties, Nevada.


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