Arctostaphylos purissima |
Arctostaphylos otayensis |
|
---|---|---|
La Purisima manzanita, La Purissima manzanita |
Otay manzanita |
|
Habit | Shrubs, erect, 1–4 m; burl absent; twigs densely short-hairy with longer hairs. | Shrubs, erect or mound-forming, 1–3 m; burl absent; twigs sparsely short-hairy, glandular-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. |
erect; petiole 5–8 mm; blade gray-glaucous, dull, narrowly elliptic or oblong-elliptic to ovate, 2–3 × 1–2 cm, base rounded or truncate, margins entire, plane, surfaces smooth, finely appressed-tomentose, ± 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, 4–7-branched; immature inflorescence branches ascending to erect, axis 1.5–2.5 cm, 1+ mm diam., sparsely short glandular-hairy; bracts not appressed, (spreading), leaflike, linear-lanceolate, 6–12 mm, apex acuminate, surfaces finely glandular-hairy. |
Pedicels | 3–5 mm, sparsely hairy or glabrous. |
3–8 mm, finely glandular-hairy. |
Flowers | corolla white, conic to urceolate; ovary glabrous. |
corolla white, conic to urceolate; ovary densely white-hairy, sparsely glandular. |
Fruits | depressed-globose, 5–8 mm diam., glabrous. |
globose, 6–8 mm diam., sparsely hairy or glabrous. |
Stones | distinct. |
partially distinct or connate. |
2n | = 26. |
= 26. |
Arctostaphylos purissima |
Arctostaphylos otayensis |
|
Phenology | Flowering winter–early spring. | Flowering winter–early spring. |
Habitat | Maritime chaparral on deep, sandy soils | Chaparral |
Elevation | 0-100 m (0-300 ft) | 100-1200 m (300-3900 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 otayensis is found in the mountains of southern San Diego County (e.g., Guatay, Jamul, Otay), near the border with Baja California. It has been reported from southern Riverside County and northern Baja California as well; those localities need to be confirmed. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 434. | FNA vol. 8, p. 426. |
Parent taxa | Ericaceae > subfam. Arbutoideae > Arctostaphylos | Ericaceae > subfam. Arbutoideae > Arctostaphylos |
Sibling taxa | ||
Name authority | P. V. Wells: Madroño 19: 195. 1968 , | Wieslander & B. Schreiber: Madroño 5: 43, fig. 2d. 1939 , |
Web links |