Flora of North America species comparison

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Arctostaphylos luciana

Arctostaphylos viscida

Santa Lucia manzanita

sticky manzanita, sticky whiteleaf manzanita, white-leaf manzanita
Habit Shrubs or trees, erect, 2–3 m; burl absent; twigs sparsely short-hairy. Shrubs, erect, 1–3 m; burl absent; twigs glabrous, sparsely short-hairy, or densely glandular-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 5–12 mm;

blade white-glaucous, dull, ovate to ± orbiculate, 2–5 × 2–4 cm, base rounded, truncate, or ± lobed, margins entire or ciliate, plane, surfaces smooth-papillate, rough, scabrous, glabrous or sparsely puberulent.
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, 4–7-branched;

immature inflorescence pendent or ascending, branches spreading, axis 1–3 cm, 1+ mm diam., densely glandular, (sticky);

bracts appressed, (glaucous), scalelike, deltate, 3–4 mm, apex acute to acuminate, surfaces viscid-glandular (rarely minutely stipitate-glandular) or glandular-hairy, especially along margins.
Pedicels

5–10 mm, glabrous.

6–10 mm, finely to densely glandular-hairy.
Flowers

corolla white, conic to urceolate;

ovary glabrous.

corolla white, conic to urceolate;

ovary glabrous or glandular-hairy.
Fruits

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

depressed-globose, 6–8 mm diam., glabrous or sparsely to densely glandular-hairy, (sometimes viscid).
Stones

distinct.

distinct.
2n

= 26.

Arctostaphylos luciana

Arctostaphylos viscida
Phenology Flowering winter–early spring.
Habitat Chaparral
Elevation 300-500 m (1000-1600 ft)
Distribution
from FNA
CA
[BONAP county map]
from FNA
CA; OR
[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 3 (3 in the flora).

Arctostaphylos viscida is distributed widely in the Sierra Nevada and northern Coast Ranges of California and the Cascade Mountains in southern Oregon. The subspecies occasionally occur in mixed populations, especially subspp. viscida and mariposa.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Twigs densely glandular-hairy; leaf blades sparsely short glandular-hairy.
subsp. mariposa
1. Twigs and leaf blades glabrous (except sometimes near inflorescence)
→ 2
2. Ovaries and fruits smooth, glabrous, not viscid.
subsp. viscida
2. Ovaries and fruits rough, densely glandular, viscid.
subsp. pulchella
Source FNA vol. 8, p. 431. FNA vol. 8, p. 423.
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. 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
Subordinate taxa
A. viscida subsp. mariposa, A. viscida subsp. pulchella, A. viscida subsp. viscida
Name authority P. V. Wells: Leafl. W. Bot. 10: 177. 1965 , Parry: Bull. Calif. Acad. Sci. 2: 492. 1887 ,
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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