Arctostaphylos sensitiva |
Arctostaphylos glandulosa |
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coinleaf manzanita, dwarf manzanita, glossyleaf manzanita |
Eastwood manzanita, Eastwood's manzanita |
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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 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. | ||||||||||||||||||||||||||||
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. |
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). |
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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. |
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. |
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Pedicels | 3–5 mm, glabrous. |
3–10 mm, sparsely hairy to finely glandular-hairy. |
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Flowers | 4-merous; corolla white to pink, urceolate; ovary white-hairy. |
corolla white to pink, conic to urceolate; ovary densely white-hairy, sometimes glandular. |
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Fruits | subcylindric, 3–4 mm diam., glabrous. |
slightly (or markedly) depressed-globose, 6–10 mm diam., glabrous or finely glandular-hairy, (viscid). |
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Stones | distinct (breaking apart in mature fruit). |
usually mostly distinct, sometimes connate. |
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2n | = 26. |
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Arctostaphylos sensitiva |
Arctostaphylos glandulosa |
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Phenology | Flowering winter–early spring. | |||||||||||||||||||||||||||||
Habitat | Sandstone uplands in maritime chaparral or closed-cone conifer forests near coast | |||||||||||||||||||||||||||||
Elevation | 100-600 m (300-2000 ft) | |||||||||||||||||||||||||||||
Distribution |
CA
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CA; OR; nw Mexico
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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.) |
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.) |
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Key |
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Source | FNA vol. 8, p. 418. | FNA vol. 8, p. 442. | ||||||||||||||||||||||||||||
Parent taxa | Ericaceae > subfam. Arbutoideae > Arctostaphylos | Ericaceae > subfam. Arbutoideae > Arctostaphylos | ||||||||||||||||||||||||||||
Sibling taxa | ||||||||||||||||||||||||||||||
Subordinate taxa | ||||||||||||||||||||||||||||||
Synonyms | A. nummularia subsp. sensitiva, A. nummularia var. sensitiva | |||||||||||||||||||||||||||||
Name authority | Jepson: Madroño 1: 85. 1922 , | Eastwood: Proc. Calif. Acad. Sci., ser. 3, 1: 82. 1897 , | ||||||||||||||||||||||||||||
Web links |