Flora of North America species comparison

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Arctostaphylos rudis

sand mesa manzanita, shagbark manzanita
Habit Shrubs, erect, 1–3 m; burl present or absent; bark on older stems persistent, gray, shredded; twigs sparsely short-hairy.
Leaves

erect;

petiole 3–8 mm;

blade bright green, shiny, elliptic, 1–3 × 1–2 cm, base cuneate to rounded, margins entire, plane, surfaces smooth, puberulent, glabrescent.
Inflorescences

racemes, (simple or 1-branched);

immature inflorescence pendent, axis 0.5–1 cm, 1+ mm diam., sparsely short-hairy;

bracts not appressed, scalelike, deltate, 2–6 mm, apex acuminate, surfaces glabrous.
Pedicels

3–6 mm, glabrous.
Flowers

corolla white, conic to urceolate;

ovary glabrous.
Fruits

depressed-globose, 8–14 mm diam., glabrous.
Stones

distinct.
2n

= 26.

Arctostaphylos rudis
Phenology Flowering winter–early spring.
Habitat Maritime chaparral on sandy soils
Elevation 0-100 m (0-300 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos rudis is found along the coast in Nipomo and Burton mesas and Point Sal, Santa Barbara and San Luis Obispo counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 416.
Parent taxa Ericaceae > subfam. Arbutoideae > Arctostaphylos
Sibling taxa
A. andersonii, A. auriculata, A. bakeri, A. canescens, 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. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida
Name authority Jepson & Weislander: Erythea 8: 100. 1938 ,
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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