Ceanothus cuneatus
Ceanothus foliosus
buck brush, common buckbrush, narrow-leaf buckthorn, sedge-leaf buckthorn, wedgeleaf cuneatus
wavy leaf 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 1–3 mm;
blade flat or ± folded lengthwise, narrowly elliptic to oblong-elliptic or oblanceolate, 5–24 × 3–13 mm, base obtuse to rounded, margins entire or weakly glandular-denticulate most of length, ± thick, not revolute, usually wavy, sometimes not wavy, teeth 31–42, apex obtuse, abaxial surface pale green to grayish green, villosulous or glabrous and sometimes sparsely puberulent on veins, adaxial surface dark green, glabrous or sparsely puberulent; pinnately veined or faintly 3-veined from base.
axillary or terminal, 0.8–2.5 cm.
axillary, umbel-like to racemelike, 1–3.5(–7) cm.
sepals, petals, and nectary white to lavender or blue.
sepals, petals, and nectary pale to dark blue.
4–6 mm wide, weakly lobed;
valves smooth, horns subapical, prominent, erect, intermediate ridges absent.
3–4 mm wide, weakly lobed at apex;
valves smooth, not or weakly crested.
Ceanothus cuneatus
Ceanothus foliosus
Varieties 4 (4 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Varieties 3 (3 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 moderately to densely villosulous. | var. medius |
1. Leaf blade abaxial surfaces glabrous or sometimes sparsely puberulent on veins. | → 2 |
2. Leaf blades ± folded lengthwise, margins wavy, glandular-denticulate. | var. foliosus |
2. Leaf blades flat to ± folded lengthwise, margins not to weakly wavy, entire or weakly denticulate near apex. | var. vineatus |
CA
OR
WA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
