Arctostaphylos glandulosa |
Arctostaphylos myrtifolia |
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Eastwood manzanita, Eastwood's manzanita |
Ione manzanita |
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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, 0.5–1.5 m; burl absent; bark on older stems persistent, dark red with translucent, grayish patches, smooth; twigs finely 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). |
erect; petiole 1–3 mm; blade bright green, shiny, narrowly elliptic, 0.6–1.5 × 0.3–0.8 cm, base cuneate, margins entire, plane, surfaces rough, papillate, sparsely finely glandular-hairy. |
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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. |
racemes, simple or 1-branched; immature inflorescence pendent, axis 0.5–1 cm, 1+ mm diam., finely glandular-hairy; bracts not appressed, scalelike, deltate, 1–2 mm, apex acuminate, surfaces glabrous. |
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Pedicels | 3–10 mm, sparsely hairy to finely glandular-hairy. |
1–3 mm, glabrous. |
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Flowers | corolla white to pink, conic to urceolate; ovary densely white-hairy, sometimes glandular. |
corolla white, urceolate; ovary white-hairy. |
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Fruits | slightly (or markedly) depressed-globose, 6–10 mm diam., glabrous or finely glandular-hairy, (viscid). |
subcylindric, 3–4 mm diam., glabrous. |
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Stones | usually mostly distinct, sometimes connate. |
distinct, (breaking apart when mature). |
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2n | = 26. |
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Arctostaphylos glandulosa |
Arctostaphylos myrtifolia |
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Phenology | Flowering winter–early spring. | |||||||||||||||||||||||||||||
Habitat | Exposed acidic, whitish, clay soils (oxisols) | |||||||||||||||||||||||||||||
Elevation | 30-200 m (100-700 ft) | |||||||||||||||||||||||||||||
Distribution |
CA; OR; nw Mexico
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CA
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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 myrtifolia is known only from the lower Sierra Nevada foothills near Ione in the eastern part of the Central Valley. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 8, p. 442. | FNA vol. 8, p. 415. | ||||||||||||||||||||||||||||
Parent taxa | Ericaceae > subfam. Arbutoideae > Arctostaphylos | Ericaceae > subfam. Arbutoideae > Arctostaphylos | ||||||||||||||||||||||||||||
Sibling taxa | ||||||||||||||||||||||||||||||
Subordinate taxa | ||||||||||||||||||||||||||||||
Name authority | Eastwood: Proc. Calif. Acad. Sci., ser. 3, 1: 82. 1897 , | Parry: Pittonia 1: 34. 1887 , | ||||||||||||||||||||||||||||
Web links |