Flora of North America species comparison

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Arctostaphylos hooveri

Arctostaphylos pallida

Hoover's manzanita

Alameda manzanita, pallid manzanita
Habit Shrubs or trees, erect, 2–8 m; burl absent; twigs densely fine-hairy, with long, white, gland-tipped hairs. Shrubs, erect, 2–4 m; burl absent; twigs hairy.
Leaves

petiole 3–6 mm;

blade glaucous, dull, oblong to ovate, 4–6 × 2–3 cm, base lobed, auriculate, (not clasping), margins entire, plane, surfaces papillate, scabrous, glandular-hairy, ± glabrescent.

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.
Inflorescences

panicles, 4–6-branched;

immature inflorescence pendent, (concealed by bracts), axis 1.5–2.5 cm, 1+ mm diam., densely fine-hairy with long, white, gland-tipped hairs;

bracts not appressed, leaflike, lanceolate, 8–20 mm, apex acuminate, surfaces glandular-hairy.

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.
Pedicels

8–15 mm, finely glandular-hairy.

8–12 mm, finely glandular-hairy.
Flowers

corolla white, conic to urceolate;

ovary finely glandular-hairy.

corolla white, conic to urceolate;

ovary finely glandular-hairy.
Fruits

depressed-globose, 6–10 mm diam., glandular-hairy, (viscid).

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

distinct.

distinct.
2n

= 26.

= 26.

Arctostaphylos hooveri

Arctostaphylos pallida
Phenology Flowering winter–early spring. Flowering winter–early spring.
Habitat Chaparral, open conifer forests Maritime chaparral, gaps in open forests
Elevation 900-1200 m (3000-3900 ft) 200-400 m (700-1300 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos hooveri is known from the northern Santa Lucia Mountains in Monterey County. Populations are associated with openings in yellow pine forests and patches of chaparral.

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

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.)
Source FNA vol. 8, p. 433. FNA vol. 8, p. 433.
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. 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
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
Synonyms A. andersonii var. pallida
Name authority P. V. Wells: Leafl. W. Bot. 9: 152. 1961 , Eastwood: Leafl. W. Bot. 1: 76. 1933 ,
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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