Arctostaphylos pajaroensis |
Arctostaphylos viridissima |
|
---|---|---|
Pajaro manzanita |
Mcminn's manzanita, white-hair manzanita |
|
Habit | Shrubs, erect or mound-forming, 1–4 m; burl absent; bark on older stems persistent, gray, shredded; twigs short-hairy, sometimes with long hairs. | Shrubs, erect, 1–4 m; burl absent; twigs short-hairy with longer, white hairs. |
Leaves | bifacial in stomatal distribution; petiole to 2 mm; blade light green abaxially, dark blue-green, glaucous adaxially, dull, ovate to triangular-ovate, 2–4 × 1–2 cm, base distinctly lobed, auriculate-clasping, margins (tinged with red), entire, ± cupped, surfaces smooth, glabrous, midvein hairy abaxially. |
petiole 1–4 mm; blade dark green, shiny, narrowly ovate to oblong-ovate, 2–3.5 × 1.5–2.5 cm, base truncate to ± auriculate-clasping, margins entire, plane, surfaces smooth, puberulent, glabrescent. |
Inflorescences | panicles, 2–5-branched; immature inflorescence pendent, branches spreading, axis 1–1.5 cm, 1+ mm diam., short-hairy, sometimes with long hairs; bracts not appressed, leaflike, linear-lanceolate, 5–10 mm, apex acuminate, surfaces glabrous. |
racemes, simple or 1-branched; immature inflorescence pendent, (branches ± concealed by bracts), axis 1–1.5 cm, 1+ mm diam., short-hairy with long, white hairs; bracts not appressed, (crowded), leaflike, lanceolate, 6–10 mm, apex acute, surfaces lightly hairy. |
Pedicels | 5–8 mm, finely hairy or glabrous. |
2–3 mm, sparsely hairy. |
Flowers | corolla white to pink, urceolate; ovary densely white-hairy. |
corolla white, conic to urceolate; ovary densely white-hairy. |
Fruits | depressed-globose, 6–8 mm diam., sparsely hairy or glabrous. |
subglobose, 10–15 mm diam., sparsely hairy or glabrous. |
Stones | distinct. |
distinct. |
2n | = 26. |
= 26. |
Arctostaphylos pajaroensis |
Arctostaphylos viridissima |
|
Phenology | Flowering early winter–early spring. | Flowering winter–early spring. |
Habitat | Maritime chaparral on deep to shallow, sandy soils or sandstone outcroppings | Island chaparral, open forests |
Elevation | 0-200 m (0-700 ft) | 100-600 m (300-2000 ft) |
Distribution |
CA
|
CA
|
Discussion | Of conservation concern. Arctostaphylos pajaroensis is found in the vicinity of the Pajaro Hills in Monterey County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. Arctostaphylos viridissima is known from siliceous shale on the eastern part of Santa Cruz Island. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 8, p. 432. | FNA vol. 8, p. 433. |
Parent taxa | Ericaceae > subfam. Arbutoideae > Arctostaphylos | Ericaceae > subfam. Arbutoideae > Arctostaphylos |
Sibling taxa | ||
Synonyms | A. andersonii var. pajaroensis | A. pechoensis var. viridissima |
Name authority | (J. E. Adams) J. E. Adams: J. Elisha Mitchell Sci. Soc. 56: 41. 1940 , | (Eastwood) McMinn: Man. Calif. Shrubs, 419. 1939 , |
Web links |