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Arctostaphylos montaraensis
J.B. Roof
Family:
Ericaceae
Montara Manzanita
FNA
Resources
V. Thomas Parker, Michael C. Vasey, Jon E. Keeley in Flora of North America (vol. 8)
Shrubs,
erect or mound-forming, 0.5-5 m; burl absent; twigs densely fine-hairy with long, gland-tipped hairs.
Leaves:
petiole to 2 mm; blade light green, dull, ovate, 2.5-4.5 × 1.5-2.5 cm, base auriculate-clasping, margins entire, plane, surfaces ± scabrous, sparsely glandular-puberulent.
Inflorescences
panicles, 4-6-branched; immature inflorescence pendent, (branches densely clustered, sessile), axis 1-1.5 cm, 1+ mm diam., densely fine-hairy with long, gland-tipped hairs; bracts not appressed, leaflike, lanceolate, 6-9 mm, apex acuminate, surfaces finely glandular-hairy.
Pedicels
5-6 mm, finely glandular-hairy.
Flowers:
corolla white, urceolate; ovary finely glandular-hairy.
Fruits
depressed-globose, 6-7 mm diam., glandular-hairy, (± viscid).
Stones
distinct.
2
n
= 26.
Flowering winter-early spring. Maritime chaparral; of conservation concern; 100-500 m; Calif.
Arctostaphylos montaraensis
grows mostly on granitic rocks at Montara Mountain and sandstones at San Bruno Mountain, northern San Mateo County.
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