Ceanothus tomentosus

Parry

Proc. Davenport Acad. Nat. Sci. 5: 190. 1889.

Treatment appears in FNA Volume 12. Treatment on page 89. Mentioned on page 81.

Shrubs, evergreen, 1.5–2.5 m. Stems erect, rarely spreading, not rooting at nodes; branchlets reddish-brown, not thorn-tipped, round in cross-section, flexible, tomentulose, glabrescent. Leaves: 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). Inflorescences axillary or terminal, racemelike or paniclelike, 2–6 cm. Flowers: sepals, petals, and nectary usually deep blue, sometimes pale blue. Capsules 3–4 mm wide, slightly lobed at apex; valves smooth, viscid when young, crested.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Leaf blade abaxial surfaces uniformly and densely tomentulose, veins obscured; c Sierra Nevada, California. Ceanothus tomentosus var. tomentosus
1 Leaf blade abaxial surfaces sparsely to moderately tomentulose, veins ± evident; s California. Ceanothus tomentosus var. olivaceus

"thin" is not a number.

... more about "Ceanothus tomentosus"
gray-green +  and light +
tomentose +  and tomentulose +
glabrescent +, puberulent +  and villosulous +
perigynous +  and epigynous +
Clifford L. Schmidt† +  and Dieter H. Wilken +
obtuse +  and rounded +
3-veined +  and veined +
not gland-dotted +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
3[-5]-veined +  and pinnate +
spinulose +, spinose +, serrate +  and entire +
denticulate +, dentate +, crenulate +, crenate +  and serrulate +
ovate;widely elliptic +
5mm;12mm +
not thorn-tipped +
glabrescent +  and tomentulose +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Calif. +  and nw Mexico +
free +  and adnate +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
terminal +  and axillary +
unisexual +  and bisexual +
paniclelike +  and racemelike +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
veined +  and 3-veined +
deciduous +  and persistent +
serrulate;denticulate +
pale blue;blue +
intrastaminal +
superior +  and inferior +
not fleshy +
perigynous +  and epigynous +
adnate +  and distinct +
6 +  and 5 +
Clawed (?) +, Obovate (?) +  and Spatulate (?) +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
2-4-carpellate +
Proc. Davenport Acad. Nat. Sci. +
pink +, usually white +  and cream blue or purple +
distinct +
spreading +  and incurved +
6 +  and 5 +
keeled;lanceolate;deltate +
not rooting +
spreading +  and erect +
3-veined +  and veined +
Ceanothus tomentosus +
Ceanothus subg. Ceanothus +
species +
paniclelike +  and racemelike +
gland-tipped +
crested +
unarmed +  and armed +
polygamous +, dioecious +  and synoecious +