Flora of North America species comparison

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Arctostaphylos hispidula

Arctostaphylos luciana

Gasquet manzanita, Howell's manzanita

Santa Lucia manzanita
Habit Shrubs, erect or mound-forming, 1–3 m; burl absent; twigs finely glandular-hairy. Shrubs or trees, erect, 2–3 m; burl absent; twigs sparsely short-hairy.
Leaves

petiole 3–6 mm;

blade dark green, dull, elliptic to oblanceolate, 1–3 × 0.5–1.5 cm, base cuneate, margins entire, plane, surfaces scabrous, papillate, finely glandular-hairy.

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.
Inflorescences

panicles, 3–6-branched;

immature inflorescence pendent, branches spreading or ascending to erect, axis 1–2 cm, to 1 mm diam., finely glandular-hairy;

bracts tightly appressed, scalelike, awl-like, 2–4 mm (equaling buds), apex acuminate, surfaces finely glandular-hairy; (buds scattered along inflorescence axis, round, appearing as “beads”).

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.
Pedicels

3–5 mm, glabrous.

5–10 mm, glabrous.
Flowers

corolla white, urceolate;

ovary glabrous.

corolla white, conic to urceolate;

ovary glabrous.
Fruits

subglobose, 5–7 mm diam., glabrous.

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

distinct.

distinct.
2n

= 26.

= 26.

Arctostaphylos hispidula

Arctostaphylos luciana
Phenology Flowering winter–early spring. Flowering winter–early spring.
Habitat Serpentine chaparral and open forests on sandstone Chaparral
Elevation 100-1100 m (300-3600 ft) 300-500 m (1000-1600 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Arctostaphylos hispidula is known from Josephine County, Oregon, and adjacent California in Del Norte and Humboldt counties; there is an isolated population in northern Sonoma County, California.

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

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.)
Source FNA vol. 8, p. 420. FNA vol. 8, p. 431.
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. 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. 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
Synonyms A. stanfordiana subsp. hispidula
Name authority Howell: Fl. N.W. Amer., 415. 1901 , P. V. Wells: Leafl. W. Bot. 10: 177. 1965 ,
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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