Arctostaphylos franciscana Eastw.
Family: Ericaceae
San Francisco manzanita
Arctostaphylos franciscana image
Charles Webber  
Shrubs, prostrate or mat-forming, 0.2-1.5 m; burl absent; twigs gray-hairy. Leaves: petiole 3-5 mm, (eglandular); blade bright green, shiny, oblanceolate, 1.5-2 × 0.5-1 cm, base cuneate, margins entire, plane, surfaces smooth, ± puberulent, glabrescent . Inflorescences panicles, 1-3-branched; immature inflorescence pendent, (branches compact), axis 0.5-1 cm, 1+ mm diam., gray-hairy; bracts appressed, scalelike (basalmost leaflike), awl-shaped, (concave when fresh), 3-4 mm, apex acute, surfaces glabrous. Pedicels 2-6 mm, glabrous. Flowers: corolla white to pink, urceolate; ovary canescent. Fruits globose, 6-8 mm diam., glabrous. Stones distinct. 2n = 26. Flowering winter-early spring. Maritime chaparral, serpentine soils; of conservation concern; 0-100 m; Calif. Formerly found in the northwestern portions of San Francisco, Arctostaphylos franciscana is now extirpated from the wild and survives only in cultivation. Arctostaphylos franciscana is in the Center for Plant Conservation´s National Collection of Endangered Plants as A. hookeri subsp. franciscana.

The National Science Foundation
This project made possible by National Science Foundation Award 1410069