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coinleaf manzanita, dwarf manzanita, glossyleaf manzanita

Mexican manzanita, pointleaf manzanita

Habit Shrubs, erect or mound-forming, 1–2 m; burl absent; bark on older stems red, smooth; twigs densely short-haired with longer gland-tipped hairs. Shrubs, erect, 1–3 m; burl absent; bark on older stems persistent, reddish, smooth; twigs sparsely short-hairy.
Leaves

bifacial in stomatal distribution;

petiole 1–3 mm;

blade light green abaxially, dark green adaxially, shiny, orbiculate to orbiculate-ovate, 1–2.2 × 0.8–1.8 cm, base truncate to ± lobed, margins entire, cupped, surfaces smooth, glabrous, midvein hairy.

erect;

petiole 4–8 mm;

blade bright or dark green, shiny, elliptic to lanceolate-elliptic, 1.5–4 × 1–1.8 cm, base obtuse to cuneate, sometimes rounded, margins entire, plane, surfaces smooth, finely tomentose, glabrescent.

Inflorescences

panicles, 4–8-branched;

immature inflorescence pendent, branches spreading, axis 0.5–1 cm, to 1 mm diam., densely short-hairy with longer gland-tipped hairs;

bracts appressed, scalelike, deltate, 0.5–2 mm, apex acute, surfaces glabrous.

racemes, simple or 1-branched;

immature inflorescence pendent, axis 0.5–1.5 cm, 1+ mm diam., sparsely short-hairy;

bracts recurved and crowded at tip, (light green), scalelike, ovate-deltate, (clublike), 2–4 mm, apex acuminate, surfaces glabrous.

Pedicels

3–5 mm, glabrous.

5–10 mm, glabrous.

Flowers

4-merous;

corolla white to pink, urceolate;

ovary white-hairy.

corolla white, conic to urceolate;

ovary glabrous.

Fruits

subcylindric, 3–4 mm diam., glabrous.

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

Stones

distinct (breaking apart in mature fruit).

distinct.

2n

= 26.

= 26.

Arctostaphylos sensitiva

Arctostaphylos pungens

Phenology Flowering winter–early spring. Flowering winter–early summer.
Habitat Sandstone uplands in maritime chaparral or closed-cone conifer forests near coast Open pine forests, pinyon-juniper woodlands, chaparral
Elevation 100-600 m (300-2000 ft) 300-2600 m (1000-8500 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CA; NM; NV; TX; UT; Mexico
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Arctostaphylos sensitiva occurs in Marin, San Mateo, and Santa Cruz counties.

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

Arctostaphylos pungens is one of the most widespread species in western North America, and extends south to Oaxaca, Mexico. In most western states, it is found in open pine forests and pinyon-juniper woodlands, generally at higher elevations. In California, it is a chaparral species that occurs in desert and peninsular ranges of southern California mountains and has three disjunct populations in central California in San Benito and Monterey counties. These disjunct populations have been given other names, A. benitoensis and A. pseudopungens, but overall populations are A. pungens.

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

Source FNA vol. 8, p. 418. FNA vol. 8, p. 416.
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. 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. 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. 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. nummularia subsp. sensitiva, A. nummularia var. sensitiva A. benitoensis, A. pseudopungens
Name authority Jepson: Madroño 1: 85. 1922 , Kunth: in A. von Humboldt et al., Nov. Gen. Sp. 3(fol.): 218: plate 259. 1819 ,
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