Arctostaphylos purissima |
Arctostaphylos obispoensis |
|
---|---|---|
La Purisima manzanita, La Purissima manzanita |
Bishop manzanita, serpentine manzanita |
|
Habit | Shrubs, erect, 1–4 m; burl absent; twigs densely short-hairy with longer hairs. | Shrubs or trees, erect, 1–4 m; burl absent; twigs sparsely short-hairy. |
Leaves | petiole to 2 mm; blade bright green, shiny, orbiculate-ovate to ± orbiculate, 1–2.5 × 1–2 cm, base auriculate-clasping, margins entire, plane, surfaces smooth, glabrous. |
petiole 5–7 mm; blade gray-glaucous, dull, oblong- to lanceolate-ovate, 2–4.5 × 1–2.5 cm, base rounded to truncate or ± lobed, margins entire, plane, surfaces smooth, appressed gray-canescent, glabrescent. |
Inflorescences | racemes, simple or 1–2-branched; immature inflorescence pendent, (branches dense, concealed by bracts), axis 0.5–1 cm, 1+ mm diam., densely short-hairy with longer hairs; bracts not appressed, (overlapping), leaflike, ovate to lanceolate-ovate, 5–8 mm, apex acute, surfaces glabrous. |
panicles, 2–4-branched; immature inflorescence pendent or ascending, (branches curved, bell-shaped), axis 1–2.5 cm, 1+ mm diam., sparsely short-hairy; bracts not appressed, leaflike, linear-lanceolate, 7–14 mm, apex acuminate, surfaces appressed-canescent or glabrous. |
Pedicels | 3–5 mm, sparsely hairy or glabrous. |
8–10 mm, glabrous. |
Flowers | corolla white, conic to urceolate; ovary glabrous. |
corolla white, conic to urceolate; ovary glabrous. |
Fruits | depressed-globose, 5–8 mm diam., glabrous. |
depressed-globose, 9–14 mm diam., glabrous. |
Stones | distinct. |
distinct. |
2n | = 26. |
= 26. |
Arctostaphylos purissima |
Arctostaphylos obispoensis |
|
Phenology | Flowering winter–early spring. | Flowering winter–early spring. |
Habitat | Maritime chaparral on deep, sandy soils | Chaparral, open, closed-cone conifer forests |
Elevation | 0-100 m (0-300 ft) | 200-700 m (700-2300 ft) |
Distribution |
CA
|
CA
|
Discussion | Of conservation concern. Arctostaphylos purissima is known from hills and mesas near the coast (Burton Mesa) in Santa Barbara County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Arctostaphylos obispoensis is found in the southern Santa Lucia Mountains on serpentine soils in Monterey and San Luis Obispo counties. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 434. | FNA vol. 8, p. 430. |
Parent taxa | Ericaceae > subfam. Arbutoideae > Arctostaphylos | Ericaceae > subfam. Arbutoideae > Arctostaphylos |
Sibling taxa | ||
Name authority | P. V. Wells: Madroño 19: 195. 1968 , | Eastwood: Leafl. W. Bot. 2: 8. 1937 , |
Web links |