Flora of North America species comparison

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Arctostaphylos canescens

downy manzanita, hoary manzanita
Habit 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.

Arctostaphylos canescens
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Twigs, inflorescence axes, pedicels, and fruits eglandular.
subsp. canescens
1. Twigs, inflorescence axes, pedicels, and fruits glandular-hairy.
subsp. sonomensis
Source FNA vol. 8, p. 429.
Parent taxa Ericaceae > subfam. Arbutoideae > Arctostaphylos
Sibling taxa
A. andersonii, A. auriculata, A. bakeri, A. catalinae, A. columbiana, A. confertiflora, A. crustacea, A. cruzensis, A. densiflora, A. edmundsii, A. franciscana, A. gabilanensis, A. glandulosa, A. glauca, A. glutinosa, A. hispidula, A. hookeri, A. hooveri, A. imbricata, A. insularis, A. klamathensis, A. luciana, A. malloryi, A. manzanita, A. mewukka, A. montana, A. montaraensis, A. montereyensis, A. morroensis, A. myrtifolia, A. nevadensis, A. nissenana, A. nortensis, A. nummularia, A. obispoensis, A. ohloneana, A. osoensis, A. otayensis, A. pacifica, A. pajaroensis, A. pallida, A. parryana, A. patula, A. pechoensis, A. pilosula, A. pringlei, A. pumila, A. pungens, A. purissima, A. rainbowensis, A. refugioensis, A. regismontana, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida
Subordinate taxa
A. canescens subsp. canescens, A. canescens subsp. sonomensis
Name authority Eastwood: Proc. Calif. Acad. Sci., ser. 3, 1: 84. 1897 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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