Arctostaphylos obispoensis Eastw.
Family: Ericaceae
Serpentine Manzanita
Arctostaphylos obispoensis image
Gerald and Buff Corsi  

Shrubs or trees, erect, 1-4 m; burl absent; twigs sparsely short-hairy. Leaves: petiole 5-7 mm; blade gray-glaucous, dull, oblong- to lanceolate-ovate, 2-4.5 × 1-2.5 cm, base rounded to truncate or ± lobed, margins entire, plane, surfaces smooth, appressed gray-canescent, gla-brescent. Inflorescences panicles, 2-4-branched; imma-ture inflorescence pendent or ascending, (branches curved, bell-shaped), axis 1-2.5 cm, 1+ mm diam., sparsely short-hairy; bracts not appressed, leaflike, linear-lanceolate, 7-14 mm, apex acuminate, surfaces appressed-canescent or glabrous. Pedicels 8-10 mm, glabrous. Flowers: corolla white, conic to urceolate; ovary glabrous. Fruits depressed-globose, 9-14 mm diam., glabrous. Stones distinct. 2n = 26.

Flowering winter-early spring. Chaparral, open, closed-cone conifer forests; 200-700 m; Calif.

Arctostaphylos obispoensis is found in the southern Santa Lucia Mountains on serpentine soils in Monterey and San Luis Obispo counties.

Arctostaphylos obispoensis image
Gerald and Buff Corsi  
Arctostaphylos obispoensis image
G. F. Hrusa