Arctostaphylos auriculata
Arctostaphylos tomentosa
Mount Diablo manzanita, Mt. Diablo manzanita
woolly leaf manzanita
petiole to 2 mm;
blade whitish gray, dull, oblong-ovate to orbiculate-ovate, 1.5–4.5 × 1.5–3 cm, base distinctly lobed, auriculate-clasping, margins entire, plane, surfaces smooth, gray-canescent, glabrescent.
bifacial in stomatal distribution;
petiole 2–5 mm;
blade dark to bright green, dull abaxially, ± shiny adaxially, oblong-ovate to oblong-lanceolate, 2–5 × 1.5–2.5 cm, base truncate to ± lobed, margins entire, sometimes toothed, cupped or ± rolled, (distal portion glabrous, proximal tomentose), surfaces short-hairy or glabrous abaxially, papillate, scabrous, sometimes finely glandular-hairy or ± glabrous adaxially.
panicles, 3–5-branched;
immature inflorescence pendent, (branches crowded, ± obscured by bracts), axis 1–1.5 cm, 1+ mm diam., densely white-hairy with long, white hairs;
bracts somewhat appressed, leaflike, ovate to lanceolate-ovate, 5–15 mm, apex acute, surfaces canescent.
panicles, 2–8-branched;
immature inflorescence pendent, axis 1–2.5 cm, 1+ mm diam., usually short-hairy, sometimes with long hairs and glandular hairs;
bracts not appressed, leaflike, lanceolate, 8–15 mm, apex acute, surfaces glabrous, hairy, or finely glandular-hairy.
4–10 mm, tomentose.
2–5 mm, sparsely hairy, sometimes glandular, or hairy.
corolla white to pink, conic;
ovary densely white-hairy.
corolla white, conic to urceolate;
ovary white-hairy and sometimes sparsely glandular.
depressed-globose, 5–10 mm diam., short white-hairy, glabrescent.
depressed-globose, 6–10 mm diam., sparsely hairy or glabrous.
distinct.
distinct.
= 26.
Arctostaphylos auriculata
Arctostaphylos tomentosa
Of conservation concern.
Arctostaphylos auriculata is found on the western slopes of Mount Diablo in Contra Costa County.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Subspecies 4 (4 in the flora).
Arctostaphylos tomentosa is found in coastal central California, in areas that receive summer fog. Most subspecies are narrowly distributed.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Twigs densely glandular-hairy | subsp. bracteosa |
1. Twigs eglandular | → 2 |
2. Twigs short-hairy and with long, white hairs. | subsp. daciticola |
2. Twigs short-hairy | → 3 |
3. Leaf blades tomentose abaxially (at least younger leaves). | subsp. tomentosa |
3. Leaf blades glabrous abaxially. | subsp. hebeclada |
CA
WildflowerSearch
iNaturalist
USDA Plants Database
