EcoFlora - Arctostaphylos nissenana

Arctostaphylos nissenana Merriam
Family: Ericaceae Eldorado Manzanita	FNA Resources V. Thomas Parker, Michael C. Vasey, Jon E. Keeley in Flora of North America (vol. 8) Shrubs, erect or mound-forming, 0.2-1.5 m; burl absent; bark on older stems persistent, gray, shredded; twigs short soft-hairy. Leaves: petiole 1-3 mm; blade gray-glaucous, dull, elliptic to oblong-elliptic, 1-2 × 0.8-1.5 cm, base cuneate to rounded, margins entire, plane, surfaces smooth, sparsely appressed-puberulent, glabrescent. Inflorescences racemes, simple or 1-branched; immature inflorescence pendent, (framed by leafy bracts), axis 0.2-0.5 cm, 1+ mm diam., short soft-hairy; bracts not appressed, narrowly leaflike, lanceolate, 3-5 mm, apex acute, surfaces glabrous or sparsely hairy. Pedicels 5-7 mm, sparsely hairy or glabrous. Flowers: corolla white, urceolate; ovary white-hairy. Fruits subglobose, 3-4 mm diam., glabrous. Stones distinct. 2n = 26. Flowering winter-early spring. Shallow shale soils in chaparral and foothill woodlands; of conservation concern; 500-1200 m; Calif. Arctostaphylos nissenana occurs in the western Sierra Nevada in El Dorado, Placer, and Tuolumne counties.
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