Flora of North America species comparison

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Arctostaphylos luciana

Arctostaphylos montana

Santa Lucia manzanita

Mt. Tamalpais manzanita
Habit Shrubs or trees, erect, 2–3 m; burl absent; twigs sparsely short-hairy. Shrubs, erect, prostrate, or mound-forming, 0.1–2 m; burl absent; twigs densely white short-hairy.
Leaves

petiole to 2 mm;

blade glaucous, dull, ovate to ± orbiculate, 2–4 × 1.5–2.5 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, appressed gray-canescent to finely tomen-tose, glabrescent.

petiole 2–6 mm;

blade dark green, shiny, orbiculate-elliptic to elliptic, 1–2.5 × 1–1.5 cm, base rounded to cuneate, margins entire, plane, surfaces smooth, puberulent, glabrescent.
Inflorescences

racemes, simple or 1-branched;

immature inflorescence pendent, (branches crowded, concealed by bracts), axis 0.5–1 cm, 1+ mm diam., sparsely short-hairy;

bracts not appressed, leaflike, linear-lanceolate, 5–10 mm, apex acuminate, surfaces canescent.

panicles, 1–3-branched;

immature inflorescence pendent, (branches compact), axis 0.5–1.5 cm, 1+ mm diam., densely white short-hairy;

bracts tightly appressed, scalelike, ovate, 2–5 mm, apex acuminate, surfaces glabrous.
Pedicels

5–10 mm, glabrous.

3–6 mm, glabrous.
Flowers

corolla white, conic to urceolate;

ovary glabrous.

corolla white, conic to urceolate;

ovary glabrous.
Fruits

depressed-globose, 6–12 mm diam., glabrous.

globose, 4–8 mm diam., glabrous.
Stones

distinct.

distinct.
2n

= 26.

Arctostaphylos luciana

Arctostaphylos montana
Phenology Flowering winter–early spring.
Habitat Chaparral
Elevation 300-500 m (1000-1600 ft)
Distribution
from FNA
CA
[BONAP county map]
from USDA
wc Calif
[WildflowerSearch map]
[BONAP county map]
Discussion

Arctostaphylos luciana is found on siliceous shale east of Cuesta Pass in the southern Santa Lucia Mountains of San Luis Obispo County.

of conservation concern

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

Subspecies 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Fruits 6-8 mm diam.; plants mound-forming or erect; leaf blades orbiculate-elliptic to elliptic, 1-2.5 × 1-1.5 cm; young twigs white-tomentose.
subsp. montana
1. Fruits 4-5 mm diam.; plants prostrate; leaf blades orbiculate-elliptic, 1-2 × 1-1.5 cm; young twigs gray-tomentose.
subsp. ravenii
Source FNA vol. 8, p. 431. FNA vol. 8, p. 436.
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. 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. 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. montana subsp. montana, A. montana subsp. ravenii
Synonyms A. hookeri subsp. montana, A. pungens var. montana
Name authority P. V. Wells: Leafl. W. Bot. 10: 177. 1965 , Eastwood: Proc. Calif. Acad. Sci., ser. 3, 1: 83. (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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