Arctostaphylos purissima |
Arctostaphylos catalinae |
|
---|---|---|
La Purisima manzanita, La Purissima manzanita |
Santa Catalina Island manzanita |
|
Habit | Shrubs, erect, 1–4 m; burl absent; twigs densely short-hairy with longer hairs. | Shrubs or trees, erect, 2–5 m; burl absent; twigs densely glandular-hairy with long, white hairs. |
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 2–6 mm; blade green-glaucescent, dull, lanceolate-ovate to elliptic, 2–5 × 1.5–3 cm, base truncate to ± slightly lobed, margins entire or ± serrate, plane, surfaces papillate, scabridulous, glandular-hispid. |
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, 4–10-branched; immature inflorescence pendent, branches ± spreading, axis 2–3 cm, 1+ mm diam., densely glandular-hairy with long, white hairs; bracts not appressed, (overlapping on distal 1/2, green), leaflike, lanceolate to narrowly ovate, 6–10(–15) mm, apex acute, surfaces sparsely glandular-hairy. |
Pedicels | 3–5 mm, sparsely hairy or glabrous. |
2–5 mm, densely white-hairy. |
Flowers | corolla white, conic to urceolate; ovary glabrous. |
corolla white, conic to urceolate; ovary densely white-hairy, sparsely glandular-hairy. |
Fruits | depressed-globose, 5–8 mm diam., glabrous. |
globose, 8–15 mm diam., sparsely hairy. |
Stones | distinct. |
distinct. |
2n | = 26. |
= 26. |
Arctostaphylos purissima |
Arctostaphylos catalinae |
|
Phenology | Flowering winter–early spring. | Flowering winter–early spring. |
Habitat | Maritime chaparral on deep, sandy soils | Chaparral, open woodlands |
Elevation | 0-100 m (0-300 ft) | 0-500 m (0-1600 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.) |
Of conservation concern. Arctostaphylos catalinae is known from Santa Catalina Island. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 434. | FNA vol. 8, p. 427. |
Parent taxa | Ericaceae > subfam. Arbutoideae > Arctostaphylos | Ericaceae > subfam. Arbutoideae > Arctostaphylos |
Sibling taxa | ||
Name authority | P. V. Wells: Madroño 19: 195. 1968 , | P. V. Wells: Madroño 19: 193. 1968 , |
Web links |