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Eastwood manzanita, Eastwood's manzanita

Balaklala manzanita, Mallory's manzanita

Habit Shrubs, erect or mound-forming, 1–3 m; burl present; twigs tomentose to short-hairy, with eglandular hairs or with long, clear, pink or dark, glandular hairs. Shrubs, erect or mound-forming, 1–3 m; burl absent; twigs sparsely short-hairy, viscid glandular-hairy.
Leaves

petiole 5–10 mm;

blade bright green, slightly glaucous to strongly gray-glaucous, shiny or dull, elliptic to ovate, 2–4.5 × 1–2.5 cm, base cuneate to rounded, sometimes ± lobed or truncate, margins entire or toothed, plane, surfaces papillate, scabrous or smooth, glabrous or glandular-puberulent to -hairy, puberulent, or finely tomentose, sometimes glabrescent; (abaxial surface sometimes with more stomata than adaxial surface).

petiole 5–10 mm;

blade glaucous, dull, orbiculate to ovate, 2–3 × 1.5–2.5 cm, base rounded, truncate, or ± lobed, margins entire, plane, surfaces smooth, gray-canescent or densely white-tomentose, glabrescent.

Inflorescences

panicles, 3–6-branched;

immature inflorescence pendent, (branches crowded, not concealed by bracts), axis 1–3 cm, 1+ mm diam., short-hairy to hairy, with or without glandular hairs;

bracts not appressed, variable, from scalelike and awl-like to leaflike and deltate, lanceolate, or broadly lanceolate (at least at base), 3–10 mm, apex acute, surfaces hairy or finely glandular-hairy.

panicles, 2–5-branched;

immature inflorescence pendent, branches spreading or ascending, axis 1–2 cm, 1+ mm diam., sparsely short-hairy, viscid glandular-hairy;

bracts appressed, scalelike, linear-lanceolate, 3–5 mm, apex acute, surfaces canescent.

Pedicels

3–10 mm, sparsely hairy to finely glandular-hairy.

6–9 mm, finely glandular-hairy.

Flowers

corolla white to pink, conic to urceolate;

ovary densely white-hairy, sometimes glandular.

corolla white, conic to urceolate;

ovary densely white-hairy.

Fruits

slightly (or markedly) depressed-globose, 6–10 mm diam., glabrous or finely glandular-hairy, (viscid).

depressed-globose, 7–9 mm diam., hairy or glabrous.

Stones

usually mostly distinct, sometimes connate.

distinct.

2n

= 26.

Arctostaphylos glandulosa

Arctostaphylos malloryi

Phenology Flowering winter–late spring.
Habitat Chaparral, open forests
Elevation 200-1200 m (700-3900 ft)
Distribution
from FNA
CA; OR; nw Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Subspecies 10 (8 in the flora).

Arctostaphylos glandulosa occurs in the California Floristic Province from southern Oregon to northern Baja California within the Coast, Transverse, and Peninsular ranges.

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

Of conservation concern.

Arctostaphylos malloryi occurs in disjunct populations on volcanic soils in Colusa, Shasta, and Sonoma counties in the North Coast Ranges. It possibly originated as a hybrid between A. canescens and A. viscida, and merits further study.

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

Key
1. Twigs, bracts, and/or immature inflorescence axes glandular-hairy
→ 2
1. Twigs, bracts, and immature inflorescence axes not glandular-hairy
→ 4
2. Leaf blades strongly white-glaucous.
subsp. leucophylla
2. Leaf blades green to gray-green, not glaucous to moderately glaucous
→ 3
3. Twigs glandular-hairy; immature inflorescences usually glandular-hairy.
subsp. glandulosa
3. Twigs not glandular-hairy; immature inflorescences glandular-hairy; (interior and eastern side of Santa Lucia Mountains).
subsp. howellii
4. Twigs short-hairy and with longer, white hairs.
subsp. mollis
4. Twigs short-hairy, not glandular-hairy
→ 5
5. Leaf blades strongly white-glaucous.
subsp. adamsii
5. Leaf blades dark green to moderately gray-green
→ 6
6. Stones mostly connate into single or weakly connate sphere.
subsp. gabrielensis
6. Stones usually distinct
→ 7
7. Leaf blades dark green (margins often reddish); fruits markedly flattened into depressed-globose shape.
subsp. crassifolia
7. Leaf blades green or gray-green; fruits only slightly flattened into depressed-globose shape.
subsp. cushingiana
Source FNA vol. 8, p. 442. FNA vol. 8, p. 430.
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. 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, 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. 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
Subordinate taxa
A. glandulosa subsp. adamsii, A. glandulosa subsp. crassifolia, A. glandulosa subsp. cushingiana, A. glandulosa subsp. gabrielensis, A. glandulosa subsp. glandulosa, A. glandulosa subsp. howellii, A. glandulosa subsp. leucophylla, A. glandulosa subsp. mollis
Synonyms A. canescens subsp. malloryi
Name authority Eastwood: Proc. Calif. Acad. Sci., ser. 3, 1: 82. 1897 , (W. Knight & Gankin) P. V. Wells: Four Seasons 9(2): 54. 1992 ,
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