Ceanothus cuneatus
Ceanothus parvifolius
buck brush, common buckbrush, narrow-leaf buckthorn, sedge-leaf buckthorn, wedgeleaf cuneatus
little-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.
not fascicled;
petiole 1.5–5 mm;
blade flat, oblong-elliptic to elliptic, 6–25 × 3–13 mm, base cuneate, margins usually entire, sometimes denticulate distally, teeth 3–5, apex acute to obtuse, abaxial surface pale green, usually glabrous, veins sometimes strigillose, adaxial surface green, ± shiny, glabrous; pinnately veined or ± 3-veined from base.
axillary or terminal, 0.8–2.5 cm.
axillary, racemelike, 3–8 cm.
sepals, petals, and nectary white to lavender or blue.
sepals and petals pale to deep blue;
nectary blue.
4–6 mm wide, weakly lobed;
valves smooth, horns subapical, prominent, erect, intermediate ridges absent.
4–5 mm wide, usually not lobed, sometimes weakly lobed;
valves smooth, weakly viscid, usually not crested, sometimes weakly crested.
= 24.
Ceanothus cuneatus
Ceanothus parvifolius
Varieties 4 (4 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Ceanothus parvifolius is restricted to the western slope of the Sierra Nevada from Plumas County south to Tulare County. Putative hybrids with C. cordulatus have been reported (H. McMinn 1944).
(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 |
CA
OR
WA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
