Arctostaphylos pechoensis

(Abrams) Dudley ex Eastwood

Leafl. W. Bot. 1: 62. 1933 ,.

Common names: Pecho manzanita
Basionyms: Uva-ursi pechoensis Abrams in N. L. Britton et al., N. Amer. Fl. 29: 98. 1914
Treatment appears in FNA Volume 8. Treatment on page 434. Mentioned on page 413.

Shrubs, erect, 1–5 m; burl absent; twigs short-hairy with long, white hairs. Leaves: petiole 1–4 mm; blade glaucous, dull to ± shiny, oblong-ovate, 2–5 × 1–2.5 cm, base auriculate-clasping, margins entire, plane, surfaces smooth, puberulent, glabrescent. Inflorescences panicles, 1–4-branched; immature inflorescence pendent, (branches dense, framed by bracts), axis 1–1.5 cm, 1+ mm diam., short-hairy with long, white hairs; bracts not appressed, leaflike, linear-lanceolate, 8–15 mm, apex acuminate, surfaces glabrous. Pedicels 5–10 mm, glabrous. Flowers: corolla white, conic to urceolate; ovary hairy. Fruits depressed-globose, 8–12 mm diam., glabrous. Stones partially to entirely connate. 2n = 26.


Phenology: Flowering winter–early spring.
Habitat: Maritime chaparral on siliceous shale soils
Elevation: 0-300 m

Discussion

Of conservation concern.

Arctostaphylos pechoensis is known from the vicinity of the Pecho Hills, San Luis Obispo County.

Selected References

None.

Lower Taxa

None.

"entire" is not a number.

... more about "Arctostaphylos pechoensis"
V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
(Abrams) Dudley ex Eastwood +
short-hairy +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
not furrowed +
gray +  and reddish +
persistent +
exfoliating +
auriculate-clasping +
Uva-ursi pechoensis +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
dull +  and more or less shiny +
oblong-ovate +
coriaceous +
1cm;2.5cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
linear-lanceolate +
Pecho manzanita +
rotate to crateriform campanulate cylindric globose or urceolate +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
0-300 m +
undifferentiated +
fusiform +
stonelike +
indehiscent +
depressed-globose +
Maritime chaparral on siliceous shale soils +
multicellular +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
tenuinucellate +  and unitegmic +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
reduced +
not sticky +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Flowering winter–early spring. +
4-5-carpellate +
Leafl. W. Bot. +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
prostrate +  and erect +
peltate +  and capitate +
straight +
glabrous +, glabrescent +  and puberulent +
Undefined tribe Arbuteae +
Arctostaphylos pechoensis +
Arctostaphylos +
species +
short-hairy +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
heterotrophic +, autotrophic +  and mycotrophic +