Ceanothus cyaneus

Eastwood

Proc. Calif. Acad. Sci., ser. 4, 16: 361. 1927.

Common names: Lakeside ceanothus
Conservation concern
Treatment appears in FNA Volume 12. Treatment on page 90. Mentioned on page 81.

Shrubs, evergreen, 2–5 m. Stems erect, not rooting at nodes; branchlets light green, not thorn-tipped, angled in cross-section, flexible, often tuberculate (tubercles minute, brownish), puberulent, glabrescent. Leaves: petiole 2–6 mm; blade flat, ovate-elliptic, 20–50 × 15–20 mm, base rounded, margins usually denticulate to serrulate, rarely entire, not revolute, teeth 23–58, apex acute to obtuse, abaxial surface pale green, veins puberulent, adaxial surface dark green, glabrous or sparsely puberulent; 3-veined from base. Inflorescences terminal, paniclelike, 15–30 (–40) cm. Flowers: sepals, petals, and nectary deep blue. Capsules 3–5 mm wide, deeply lobed; valves smooth, weakly crested. 2n = 24.


Phenology: Flowering Apr–Jun.
Habitat: Rocky or gravelly slopes, chaparral.
Elevation: 40–600 m.

Distribution

V12 282-distribution-map.jpg

Calif., Mexico (Baja California)

Discussion

Ceanothus cyaneus is known in the flora area only from San Diego County, and is threatened throughout its range.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Ceanothus cyaneus"
puberulent +  and glabrous +
perigynous +  and epigynous +
Acute (?) +  and Obtuse (?) +
Clifford L. Schmidt† +  and Dieter H. Wilken +
Eastwood +
rounded +
3-veined +  and veined +
not gland-dotted +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
3[-5]-veined +  and pinnate +
spinulose +, spinose +, serrate +  and entire +
denticulate +, dentate +, crenulate +, crenate +  and serrulate +
ovate-elliptic +
15mm;20mm +
not thorn-tipped +
glabrescent +  and puberulent +
tuberculate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Lakeside ceanothus +
Calif. +  and Mexico (Baja California) +
40–600 m. +
Rocky or gravelly slopes, chaparral. +
free +  and adnate +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
30 cm300 mm <br />0.3 m <br /> (40 cm400 mm <br />0.4 m <br />) +
axillary +  and terminal +
unisexual +  and bisexual +
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
deciduous +  and persistent +
denticulate to serrulate;denticulate +
intrastaminal +
superior +  and inferior +
not fleshy +
perigynous +  and epigynous +
adnate +  and distinct +
6 +  and 5 +
Clawed (?) +, Obovate (?) +  and Spatulate (?) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering Apr–Jun. +
2-4-carpellate +
Proc. Calif. Acad. Sci., ser. +
pink +, usually white +  and cream blue or purple +
distinct +
spreading +  and incurved +
6 +  and 5 +
keeled;lanceolate;deltate +
Conservation concern +
not rooting +
3-veined +  and veined +
Ceanothus cyaneus +
Ceanothus subg. Ceanothus +
species +
paniclelike +  and racemelike +
gland-tipped +
crested +
puberulent +
unarmed +  and armed +
polygamous +, dioecious +  and synoecious +