Ceanothus impressus Trel.

Santa barbara ceanothus (en), Céanothe (fr), Céanothe de Santa-Barbara (fr), Lilas de Californie (fr)

Species

Angiosperms > Rosales > Rhamnaceae > Ceanothus

Characteristics

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 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, 1.2–3.5 cm. Flowers: sepals, petals, and nectary blue. Capsules 3–4 mm wide, lobed; valves smooth, crested.
Life form perennial
Growth form shrub
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.5 - 2.0
Mature height (meter) 1.0 - 1.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer
Photosynthetic pathway c3

Environment

Grows in chapparal plant communities from sea level to elevations of 200 metres.
Light 6-9
Soil humidity 2-7
Soil texture 3-5
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 7-9

Usage

Uses dye oil
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings. Seeds needs soaking.
Mode cuttings seedlings
Germination duration (days) 30 - 60
Germination temperacture (C°) 18 - 21
Germination luminosity light
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Ceanothus impressus leaf picture by DGG DGG 2018 (cc-by-sa)
Ceanothus impressus leaf picture by Dan Maxwell (cc-by-sa)
Ceanothus impressus leaf picture by DGG DGG 2018 (cc-by-sa)

Flower

Ceanothus impressus flower picture by Dan Maxwell (cc-by-sa)
Ceanothus impressus flower picture by Dan Maxwell (cc-by-sa)
Ceanothus impressus flower picture by jesiplants (cc-by-sa)

Distribution

Ceanothus impressus world distribution map, present in United States of America

Conservation status

Ceanothus impressus threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:50706-2
WFO ID wfo-0000591919
COL ID 5XGS6
BDTFX ID 14927
INPN ID 89444
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ceanothus impressus var. impressus Ceanothus impressus

Lower taxons

Ceanothus impressus var. nipomensis