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Alameda manzanita, pallid manzanita

rainbow manzanita

Habit Shrubs, erect, 2–4 m; burl absent; twigs hairy. Shrubs, erect, 1–4 m; burl present; twigs minutely glandular-hairy.
Leaves

petiole to 2 mm, (hairy);

blade glaucous-green, dull, ovate or oblong-ovate, 2.5–4.5 × 2–3 cm, base auriculate-clasping, margins entire, plane, surfaces smooth, glabrous.

petiole 6–12 mm;

blade light green to weakly glaucous or glaucous, dull, elliptic-ovate, 3.5–5 × 2–3.5 cm, base rounded, margins entire, plane, surfaces smooth, glabrous.

Inflorescences

panicles, 3–5-branched;

immature inflorescence pendent, (branches compact, framed by bracts), axis 0.5–1 cm, 1+ mm diam., short-hairy to hispid-hairy, usually eglandular;

bracts not appressed, leaflike, widely lanceolate, 5–9 mm, apex acute, surfaces finely glandular-hairy.

panicles, 4–10-branched;

immature inflorescence pendent, axis 2–3 cm, 1+ mm diam., glabrous;

bracts appressed, scalelike, deltate to awl-like, 2–4 mm, apex acute, surfaces glabrous.

Pedicels

8–12 mm, finely glandular-hairy.

5–10 mm, glabrous.

Flowers

corolla white, conic to urceolate;

ovary finely glandular-hairy.

corolla white, conic to urceolate;

ovary glabrous.

Fruits

depressed-globose, 8–10 mm diam., glandular-hairy, (viscid).

globose, 8–12 mm diam., glabrous.

Stones

distinct.

connate into single sphere.

2n

= 26.

= 26.

Arctostaphylos pallida

Arctostaphylos rainbowensis

Phenology Flowering winter–early spring. Flowering winter–early spring.
Habitat Maritime chaparral, gaps in open forests Chaparral of granite uplands
Elevation 200-400 m (700-1300 ft) 500-700 m (1600-2300 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos pallida is found on shale barrens in the East Bay Hills, western Contra Costa County, overlooking San Francisco Bay.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Of conservation concern.

Arctostaphylos rainbowensis is found in a coastal portion of the Peninsular Range in northern San Diego and adjacent Riverside counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 8, p. 433. FNA vol. 8, p. 422.
Parent taxa Ericaceae > subfam. Arbutoideae > Arctostaphylos 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. 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
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. refugioensis, A. regismontana, A. rudis, A. sensitiva, A. silvicola, A. stanfordiana, A. tomentosa, A. uva-ursi, A. virgata, A. viridissima, A. viscida
Synonyms A. andersonii var. pallida
Name authority Eastwood: Leafl. W. Bot. 1: 76. 1933 , J. E. Keeley & Massihi: Madroño 41: 2, fig. 1. 1994 ,
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