Arctostaphylos pallida |
Arctostaphylos rainbowensis |
|
---|---|---|
Alameda manzanita, pallid manzanita |
rainbow manzanita |
|
Habit | Shrubs, erect, 2–4 m; burl absent; twigs hairy. | Shrubs, erect, 1–4 m; burl present; twigs minutely glandular-hairy. |
Leaves | petiole to 2 mm, (hairy); blade glaucous-green, dull, ovate or oblong-ovate, 2.5–4.5 × 2–3 cm, base auriculate-clasping, margins entire, plane, surfaces smooth, glabrous. |
petiole 6–12 mm; blade light green to weakly glaucous or glaucous, dull, elliptic-ovate, 3.5–5 × 2–3.5 cm, base rounded, margins entire, plane, surfaces smooth, glabrous. |
Inflorescences | panicles, 3–5-branched; immature inflorescence pendent, (branches compact, framed by bracts), axis 0.5–1 cm, 1+ mm diam., short-hairy to hispid-hairy, usually eglandular; bracts not appressed, leaflike, widely lanceolate, 5–9 mm, apex acute, surfaces finely glandular-hairy. |
panicles, 4–10-branched; immature inflorescence pendent, axis 2–3 cm, 1+ mm diam., glabrous; bracts appressed, scalelike, deltate to awl-like, 2–4 mm, apex acute, surfaces glabrous. |
Pedicels | 8–12 mm, finely glandular-hairy. |
5–10 mm, glabrous. |
Flowers | corolla white, conic to urceolate; ovary finely glandular-hairy. |
corolla white, conic to urceolate; ovary glabrous. |
Fruits | depressed-globose, 8–10 mm diam., glandular-hairy, (viscid). |
globose, 8–12 mm diam., glabrous. |
Stones | distinct. |
connate into single sphere. |
2n | = 26. |
= 26. |
Arctostaphylos pallida |
Arctostaphylos rainbowensis |
|
Phenology | Flowering winter–early spring. | Flowering winter–early spring. |
Habitat | Maritime chaparral, gaps in open forests | Chaparral of granite uplands |
Elevation | 200-400 m (700-1300 ft) | 500-700 m (1600-2300 ft) |
Distribution |
CA |
CA
|
Discussion | Of conservation concern. Arctostaphylos pallida is found on shale barrens in the East Bay Hills, western Contra Costa County, overlooking San Francisco Bay. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Arctostaphylos rainbowensis is found in a coastal portion of the Peninsular Range in northern San Diego and adjacent Riverside counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 433. | FNA vol. 8, p. 422. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | A. andersonii var. pallida | |
Name authority | Eastwood: Leafl. W. Bot. 1: 76. 1933 , | J. E. Keeley & Massihi: Madroño 41: 2, fig. 1. 1994 , |
Web links |