Arctostaphylos ohloneana

M. C. Vasey & V. T. Parker

Madroño 55: 240, fig. 3. 2009,.

Treatment appears in FNA Volume 8. Treatment on page 417. Mentioned on page 412.

Shrubs, erect, 1–2 m; burl absent; twigs sparsely short-hairy, usually with scattered long-glandular hairs. Leaves: petiole 3–5 mm; blade light green, not glaucous, dull, elliptic to ovate-elliptic, 1.5–3 × 1–1.5 cm, base cuneate, (not clasping), margins entire, plane, surfaces smooth, puberulent with small, interspersed, glandular hairs, glabrescent. Inflorescences panicles, 3–5-branched, immature inflorescence pendent, branches spreading, axis 1.5–2.5 cm, 1+ mm diam., sparsely short-hairy, usually with scattered, long-glandular hairs; bracts not appressed, scalelike, ovate to deltate, 1–1.3 mm, apex acute, surfaces hairy. Pedicels 3–8 mm, glabrous. Flowers: corolla white, conic to urceolate; ovary glabrous. Fruits depressed-globose, 5–8 mm diam., glabrous. Stones distinct. 2n = 26.

Phenology: Flowering winter–early spring.
Habitat: Knobcone pine chaparral, siliceous shale ridges
Elevation: 300-400 m.


Of conservation concern.

Arctostaphylos ohloneana is known from northern Ben Lomond Mountain in northern Santa Cruz County.

Selected References


Lower Taxa