Flora of North America species comparison

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Arctostaphylos luciana

Arctostaphylos mewukka

Santa Lucia manzanita

Indian manzanita
Habit Shrubs or trees, erect, 2–3 m; burl absent; twigs sparsely short-hairy. Shrubs, erect, 1–3 m; burl present or absent; twigs glabrous or slightly hairy and sparsely glandular.
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 6–15 mm;

blade intensely gray- or white-glaucous, dull, orbiculate, orbiculate-ovate, oblong-ovate, or lanceolate-ovate, 3–7 × 2–7 cm, base rounded, margins entire, plane, apex acute or obtuse, surfaces smooth, glabrous.
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, 2–7-branched;

immature inflorescence pendent, axis 2–3 cm, 1+ mm diam., glabrous or slightly hairy, sometimes glandular;

bracts tightly appressed, scalelike, deltate to linear-lanceolate, 3–6 mm, apex acute or acuminate, surfaces glabrous.
Pedicels

5–10 mm, glabrous.

4–8 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.

(dark mahogany-brown), globose, 12–16 mm diam., glabrous.
Stones

distinct.

distinct, sometimes connate.
2n

= 26.

Arctostaphylos luciana

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

Arctostaphylos mewukka is found on the western slopes of the central and northern Sierra Nevada.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Burls present; leaf blades 2-4 cm wide, apex acute.
subsp. mewukka
1. Burls absent; leaf blades 4-7 cm wide, apex obtuse.
subsp. truei
Source FNA vol. 8, p. 431. FNA vol. 8, p. 421.
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. 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
Subordinate taxa
A. mewukka subsp. mewukka, A. mewukka subsp. truei
Name authority P. V. Wells: Leafl. W. Bot. 10: 177. 1965 , Merriam: Proc. Biol. Soc. Wash. 31: 101, plates 2, 3. 1918 ,
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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