Ceanothus cuneatus
Ceanothus tomentosus
buck brush, common buckbrush, narrow-leaf buckthorn, sedge-leaf buckthorn, wedgeleaf cuneatus
woolly leaf ceanothus, woolyleaf ceanothus
usually both fascicled and not fascicled on same plant, rarely none fascicled;
petiole 1–3 mm;
blade flat to cupped, elliptic, oblanceolate, obovate, or orbiculate, 4–22(–30) × 3–12(–22) mm, base rounded, margins thick, not revolute, entire or denticulate distal to middle, teeth 0–9, apex obtuse, rounded, truncate, or retuse, abaxial surface pale green, glabrate or glabrous, adaxial surface green, glabrous.
petiole 1–4 mm;
blade flat, ovate to widely elliptic, 10–25 × 5–12 mm, base obtuse to rounded, margins serrulate to denticulate most of length, not revolute, teeth 39–71, apex obtuse, abaxial surface light or gray-green, tomentose to tomentulose, adaxial surface dark green, villosulous or puberulent, glabrescent; usually 3-veined from base, rarely pinnately veined (veins sometimes obscured by indumentum).
axillary or terminal, 0.8–2.5 cm.
axillary or terminal, racemelike or paniclelike, 2–6 cm.
sepals, petals, and nectary white to lavender or blue.
sepals, petals, and nectary usually deep blue, sometimes pale blue.
4–6 mm wide, weakly lobed;
valves smooth, horns subapical, prominent, erect, intermediate ridges absent.
3–4 mm wide, slightly lobed at apex;
valves smooth, viscid when young, crested.
Ceanothus cuneatus
Ceanothus tomentosus
Varieties 4 (4 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Varieties 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Leaf blades of fascicled and non-fascicled leaves elliptic to widely oblanceolate, length usually 2+ times width; sepals, petals, and nectaries usually white, sometimes pale blue or pale lavender. | var. cuneatus |
1. Leaf blades of fascicled and non-fascicled leaves widely oblanceolate, widely obovate, or orbiculate, length usually less than 2 times width, or of fascicled leaves elliptic to narrowly oblanceolate (in var. fascicularis); sepals, petals, and nectaries usually lavender to blue, sometimes pale blue, rarely white. | → 2 |
2. Leaf blades of fascicled leaves elliptic to narrowly oblanceolate, 9–15 × 3–6 mm, length usually 2+ times width. | var. fascicularis |
2. Leaf blades of fascicled leaves widely oblanceolate, widely obovate, or orbiculate, 4–15 × 3–12 mm, length less than 2 times width. | → 3 |
3. Leaf blade margins usually entire, rarely 1–4-toothed, apices rounded, truncate, or retuse. | var. ramulosus |
3. Leaf blade margins 5–9-toothed, apices rounded to truncate. | var. rigidus |
1. Leaf blade abaxial surfaces uniformly and densely tomentulose, veins obscured; c Sierra Nevada, California. | var. tomentosus |
1. Leaf blade abaxial surfaces sparsely to moderately tomentulose, veins ± evident; s California. | var. olivaceus |
CA
OR
WA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
