Arctostaphylos pajaroensis

(J. E. Adams) J. E. Adams

J. Elisha Mitchell Sci. Soc. 56: 41. 1940 ,.

Common names: Pajaro manzanita
IllustratedEndemicConservation concern
Basionyms: 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.

"entire" is not a number.

V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
(J. E. Adams) J. E. Adams +
short-hairy +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
not furrowed +
persistent +
exfoliating +
auriculate-clasping +
Arctostaphylos andersonii var. pajaroensis +
dark blue-green +  and light green +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
ovate;triangular-ovate +
coriaceous +
1cm;2cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
linear-lanceolate +
Pajaro manzanita +
white +  and pink +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
0-200 m +
undifferentiated +
fusiform +
stonelike +
indehiscent +
glabrous +  and hairy +
depressed-globose +
Maritime chaparral on deep to shallow, sandy soils or sandstone outcroppings +
multicellular +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
white-hairy +
tenuinucellate +  and unitegmic +
glabrous +  and hairy +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
reduced +
not sticky +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering early winter–early spring. +
4-5-carpellate +
J. Elisha Mitchell Sci. Soc. +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
Illustrated +, Endemic +  and Conservation concern +
persistent +
prostrate +  and erect +
peltate +  and capitate +
distinct +
straight +
Undefined tribe Arbuteae +
Arctostaphylos pajaroensis +
Arctostaphylos +
species +
short-hairy +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
shrub +  and mound-forming +
heterotrophic +, autotrophic +  and mycotrophic +