Arctostaphylos pajaroensis

(J. E. Adams) J. E. Adams
J. Elisha Mitchell Sci. Soc. 56: 41. 1940 ,.
Common names: Pajaro manzanita
IllustratedEndemicConservation concern
Basionym: Arctostaphylos andersonii var. pajaroensis J. E. Adams in H. McMinn, Man. Calif. Shrubs, 418, fig. 492. 1939
Treatment appears in FNA Volume 8. Treatment on page 432. Mentioned on page 406, 410, 426.

Shrubs, erect or mound-forming, 1–4 m; burl absent; bark on older stems persistent, gray, shredded; twigs short-hairy, sometimes with long hairs. Leaves bifacial in stomatal distribution; petiole to 2 mm; blade light green abaxially, dark blue-green, glaucous adaxially, dull, ovate to triangular-ovate, 2–4 × 1–2 cm, base distinctly lobed, auriculate-clasping, margins (tinged with red), entire, ± cupped, surfaces smooth, glabrous, midvein hairy abaxially. Inflorescences panicles, 2–5-branched; immature inflorescence pendent, branches spreading, axis 1–1.5 cm, 1+ mm diam., short-hairy, sometimes with long hairs; bracts not appressed, leaflike, linear-lanceolate, 5–10 mm, apex acuminate, surfaces glabrous. Pedicels 5–8 mm, finely hairy or glabrous. Flowers: corolla white to pink, urceolate; ovary densely white-hairy. Fruits depressed-globose, 6–8 mm diam., sparsely hairy or glabrous. Stones distinct. 2n = 26.


Phenology: Flowering early winter–early spring.
Habitat: Maritime chaparral on deep to shallow, sandy soils or sandstone outcroppings
Elevation: 0-200 m

Discussion

Of conservation concern.

Arctostaphylos pajaroensis is found in the vicinity of the Pajaro Hills in Monterey County.

Selected References

None.

Lower Taxa

None.

V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
(J. E. Adams) J. E. Adams +
Arctostaphylos andersonii var. pajaroensis +
Pajaro manzanita +
0-200 m +
Maritime chaparral on deep to shallow, sandy soils or sandstone outcroppings +
Flowering early winter–early spring. +
J. Elisha Mitchell Sci. Soc. +
Illustrated +, Endemic +  and Conservation concern +
Undefined tribe Arbuteae +
Arctostaphylos pajaroensis +
Arctostaphylos +
species +