Arctostaphylos canescens

Eastwood

Proc. Calif. Acad. Sci., ser. 3, 1: 84. 1897 ,.

Common names: Hoary manzanita
IllustratedEndemic
Treatment appears in FNA Volume 8. Treatment on page 429. Mentioned on page 408, 413, 430.

Shrubs, erect, 0.3–3 m; burl absent; twigs densely short-soft-hairy to white-tomentose. Leaves: petiole 3–10 mm; blade whitish gray, dull, orbiculate-ovate, ovate, or elliptic, 2–5 × 1–3 cm, base rounded to cuneate, margins entire, plane, surfaces smooth, gray-canescent, glabrescent. Inflorescences panicles, 1–3-branched, immature inflorescence pendent, (branches crowded, bell-shaped, ± obscured by bracts), axis 1–2 cm, 1+ mm diam., densely short-soft-hairy to white-tomentose; bracts not appressed, (spreading), leaflike, wide-lanceolate, 6–20 mm, apex acute, surfaces canescent. Pedicels 5–9 mm, hairy, sometimes glandular. Flowers: corolla white to pink, conic to urceolate; ovary densely white-hairy, sometimes glandular. Fruits depressed-globose, 5–10 mm diam., sparsely hairy or glabrous, sometimes sparsely glandular. Stones distinct.

Discussion

Subspecies 2 (2 in the flora).

Arctostaphylos canescens is widespread in the Coast Ranges of central and northern California and northward into southwestern Oregon.

Selected References

None.

Key

1 Twigs, inflorescence axes, pedicels, and fruits eglandular. Arctostaphylos canescens subsp. canescens
1 Twigs, inflorescence axes, pedicels, and fruits glandular-hairy. Arctostaphylos canescens subsp. sonomensis

"entire" is not a number.

... more about "Arctostaphylos canescens"
V. Thomas Parker +, Michael C. Vasey +  and Jon E. Keeley +
Eastwood +
densely short-soft-hairy +  and white-tomentose +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
not furrowed +
gray +  and reddish +
persistent +
exfoliating +
rounded;cuneate +
whitish gray +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
elliptic;ovate;elliptic;ovate;orbiculate-ovate +
coriaceous +
1cm;3cm +
not imbricate +  and imbricate +
hue +, light-brown +  and tan +
persistent +
wide-lanceolate +
Hoary manzanita +
white +  and pink +
rotate to crateriform campanulate cylindric globose or urceolate +
Calif. +  and Oreg. +
brown +, reddish-brown +  and red +
depressed-globose +  and globose +
undifferentiated +
fusiform +
stonelike +
indehiscent +
glabrous +  and hairy +
depressed-globose +
multicellular +
opposite +, whorled +  and alternate +
pubescence +  and color +
persistent +
parietal +, axile +  and placentation +
white-hairy +
tenuinucellate +  and unitegmic +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
reduced +
not sticky +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
4-5-carpellate +
Proc. Calif. Acad. Sci., ser. +
not +  and connate +
connate +  and distinct +
globose +
persistent +
distinct +
ovate +  and deltate +
Illustrated +  and Endemic +
prostrate +  and erect +
peltate +  and capitate +
distinct +
straight +
canescent +, glabrescent +  and gray-canescent +
Undefined tribe Arbuteae +
Arctostaphylos canescens +
Arctostaphylos +
species +
densely short-soft-hairy +  and white-tomentose +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
heterotrophic +, autotrophic +  and mycotrophic +