Arctostaphylos auriculata |
Arctostaphylos parryana |
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Mount Diablo manzanita, Mt. Diablo manzanita |
Parry manzanita, Parry's manzanita |
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Habit | Shrubs, erect, 1–4.5 m; burl absent; twigs densely white-hairy with long, white hairs. | Shrubs, prostrate, erect, or mound-forming, 0.5–2 m; burl present or absent; twigs sparsely to moderately short-hairy. | ||||||||
Leaves | petiole to 2 mm; blade whitish gray, dull, oblong-ovate to orbiculate-ovate, 1.5–4.5 × 1.5–3 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, gray-canescent, glabrescent. |
petiole 5–10 mm; blade bright green or gray-glaucous, usually shiny, sometimes dull, oblong-ovate to wide-elliptic, 2.5–5 × 1.5–2.5 cm, base obtuse to truncate, margins entire, plane, surfaces smooth, glabrous or sparsely puberulent. |
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Inflorescences | panicles, 3–5-branched; immature inflorescence pendent, (branches crowded, ± obscured by bracts), axis 1–1.5 cm, 1+ mm diam., densely white-hairy with long, white hairs; bracts somewhat appressed, leaflike, ovate to lanceolate-ovate, 5–15 mm, apex acute, surfaces canescent. |
panicles, 3–5-branched; immature inflorescence pendent, branches spreading, axis 0.5–1.5 cm, 1+ mm diam., sparsely to moderately short-hairy; bracts ± appressed, scalelike, deltate to wide-ovate, 2–4 mm, apex mucronate, surfaces glabrous. |
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Pedicels | 4–10 mm, tomentose. |
4–9 mm, glabrous. |
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Flowers | corolla white to pink, conic; ovary densely white-hairy. |
corolla white, conic to urceolate; ovary glabrous. |
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Fruits | depressed-globose, 5–10 mm diam., short white-hairy, glabrescent. |
globose, 7–10 mm diam., glabrous. |
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Stones | distinct. |
connate into single sphere. |
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2n | = 26. |
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Arctostaphylos auriculata |
Arctostaphylos parryana |
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Phenology | Flowering winter–early spring. | |||||||||
Habitat | Chaparral, open, closed-cone conifer forests | |||||||||
Elevation | 300-500 m (1000-1600 ft) | |||||||||
Distribution |
CA |
CA
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Discussion | Of conservation concern. Arctostaphylos auriculata is found on the western slopes of Mount Diablo in Contra Costa County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 8, p. 430. | FNA vol. 8, p. 420. | ||||||||
Parent taxa | Ericaceae > subfam. Arbutoideae > Arctostaphylos | Ericaceae > subfam. Arbutoideae > Arctostaphylos | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Name authority | Eastwood: Bull. Torrey Bot. Club 32: 202. 1905 , | Lemmon: Pittonia 2: 68. 1890 , | ||||||||
Web links |