Flora of North America species comparison

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Arctostaphylos bakeri

Arctostaphylos ohloneana

Baker's manzanita

Ohlone manzanita
Habit Shrubs, erect, 1–3 m; burl absent; twigs densely glandular-hairy, puberulent, or finely tomentose with sessile glands. Shrubs, erect, 1–2 m; burl absent; twigs sparsely short-hairy, usually with scattered long-glandular hairs.
Leaves

petiole 3–8 mm;

blade dark green, not glaucous, dull, oblong-ovate to orbiculate-ovate, 2.5–3 × 1.5–2 cm, base usually cuneate, sometimes truncate to rounded, margins entire, plane, surfaces papillate, glandular-hispidulous.

petiole 3–5 mm;

blade light green, not glaucous, dull, elliptic to ovate-elliptic, 1.5–3 × 1–1.5 cm, base cuneate, (not clasping), margins entire, plane, surfaces smooth, puberulent with small, interspersed, glandular hairs, glabrescent.
Inflorescences

panicles, 2–5-branched;

immature inflorescence pendent, branches spreading, axis 1–2 cm, 1+ mm diam., finely glandular-hairy, puberulent, or finely tomentose;

bracts not fully appressed, scalelike, deltate to awl-like, 2–4 mm, apex acute, surfaces finely glandular-hairy, puberulent, or finely tomentose.

panicles, 3–5-branched, immature inflorescence pendent, branches spreading, axis 1.5–2.5 cm, 1+ mm diam., sparsely short-hairy, usually with scattered, long-glandular hairs;

bracts not appressed, scalelike, ovate to deltate, 1–1.3 mm, apex acute, surfaces hairy.
Pedicels

3–5 mm, glabrous.

3–8 mm, glabrous.
Flowers

corolla white, conic to urceolate;

ovary glabrous.

corolla white, conic to urceolate;

ovary glabrous.
Fruits

depressed-globose, 8–10 mm diam., glabrous.

depressed-globose, 5–8 mm diam., glabrous.
Stones

distinct.

distinct.
2n

= 26.

Arctostaphylos bakeri

Arctostaphylos ohloneana
Phenology Flowering winter–early spring.
Habitat Knobcone pine chaparral, siliceous shale ridges
Elevation 300-400 m. (1000-1300 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Subspecies 2 (2 in the flora).

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

Of conservation concern.

Arctostaphylos ohloneana is known from northern Ben Lomond Mountain in northern Santa Cruz County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Twigs, petioles, rachises, and bracts glandular-hairy; immature inflorescence axes 1-1.5 cm.
subsp. bakeri
1. Twigs, petioles, rachises, and bracts eglandular-hairy, with sessile glands beneath; immature inflorescence axes 1.5-2 cm.
subsp. sublaevis
Source FNA vol. 8, p. 439. FNA vol. 8, p. 417.
Parent taxa Ericaceae > subfam. Arbutoideae > Arctostaphylos Ericaceae > subfam. Arbutoideae > Arctostaphylos
Sibling taxa
A. andersonii, A. auriculata, 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. 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. 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. bakeri subsp. bakeri, A. bakeri subsp. sublaevis
Synonyms A. stanfordiana subsp. bakeri
Name authority Eastwood: Leafl. W. Bot. 1: 115. 1934 , M. C. Vasey & V. T. Parker: Madroño 55: 240, fig. 3. (2009)
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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