Ceanothus lemmonii |
Ceanothus impressus |
|||||
---|---|---|---|---|---|---|
Lemmon's ceanothus |
Santa Barbara ceanothus |
|||||
Habit | Shrubs, evergreen, 0.5–1 m. Stems ascending to spreading, not rooting at nodes; branchlets pale green to grayish green and glaucous, not thorn-tipped, round in cross section, flexible to ± rigid, sparsely villosulous. | Shrubs, evergreen, 0.5–3 m. Stems erect, not rooting at nodes; branchlets brown, not thorn-tipped, round in cross section, flexible, puberulent. | ||||
Leaves | petiole 2–6 mm; blade flat, narrowly elliptic to oblong-elliptic, 13–35 × 6–15 mm, base cuneate to rounded, margins serrulate to denticulate most of length, not revolute, not wavy, teeth 34–45, apex acute to obtuse, abaxial surface pale green to grayish green and glaucous, villosulous, especially on veins, adaxial surface green, strigillose; pinnately veined or weakly 3-veined from base. |
petiole 0–4 mm; blade ± flat to strongly cupped, oblong, elliptic, or suborbiculate, 5–20(–25) × 2.5–17(–20) mm, base rounded, margins serrulate, thick to weakly or strongly revolute, teeth 11–29, apex obtuse to rounded, abaxial surface pale green, villosulous, adaxial surface dark to medium green, sparsely puberulent, not glandular papillate; pinnately veined, veins furrowed. |
||||
Inflorescences | axillary or terminal, umbel-like to racemelike, 2–6.5 cm. |
axillary or terminal, umbel-like to racemelike, 1.2–3.5 cm. |
||||
Flowers | sepals, petals, and nectary pale to deep blue. |
sepals, petals, and nectary blue. |
||||
Capsules | 3–4 mm wide, lobed near apex; valves smooth, crested. |
3–4 mm wide, lobed; valves smooth, crested. |
||||
2n | = 24. |
|||||
Ceanothus lemmonii |
Ceanothus impressus |
|||||
Phenology | Flowering Apr–May. | |||||
Habitat | Rocky slopes and flats, open sites, conifer forests, oak and pine woodlands. | |||||
Elevation | 200–1300 m. (700–4300 ft.) | |||||
Distribution |
CA
|
CA
|
||||
Discussion | Ceanothus lemmonii occurs in the inner North Coast Ranges, Klamath Mountains, and the western slope of the Cascade Range and northern Sierra Nevada. H. McMinn (1944) reported putative hybrids with C. foliosus, C. integerrimus, and C. oliganthus var. sorediatus. (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.) |
||||
Key |
|
|||||
Source | FNA vol. 12, p. 94. | FNA vol. 12, p. 91. | ||||
Parent taxa | Rhamnaceae > Ceanothus > subg. Ceanothus | Rhamnaceae > Ceanothus > subg. Ceanothus | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Parry: Proc. Davenport Acad. Nat. Sci. 5: 192. (1889) — (as lemmoni) | Trelease: Proc. Calif. Acad. Sci., ser. 2, 1: 112. (1888) | ||||
Web links |