Quercus berberidifolia Liebm.

California scrub oak (en)

Species

Angiosperms > Fagales > Fagaceae > Quercus

Characteristics

Shrubs , subevergreen, 1-2(-4) m. Bark gray, scaly. Twigs gray, yellowish, rarely reddish, 1-3 mm diam. Buds reddish brown, globose or ovoid, 2-3 mm, minutely puberulent. Leaves: petiole 2-4 mm. Leaf blade bicolored, obovate, elliptic, occasionally subrotund, planar or moderately convex, (10-)15-30 × (8-)10-20 mm, base truncate or rounded-attenuate, rarely cuneate, margins irregularly toothed and spinose, often sublobate, rarely entire, secondary veins (3-)4-7 on each side, apex broadly rounded or acute; surfaces abaxially waxy, light green or glaucous, with scattered minute, appressed, (4-)8(-10)-rayed hairs less than 0.2 mm diam. and sparse to dense yellowish, glandular hairs, adaxially glossy or dull green, glabrous or glabrate. Acorns solitary or paired, subsessile; cup hemispheric or turbinate, rarely shallowly cup-shaped, rim thick, 8-15 mm deep × 15-20(-22) mm wide, enclosing to 1/2 nut, scales reddish or yellowish, usually strongly, irregularly tuberculate, puberulent or canescent; nut light to dark brown, ovoid, ellipsoid, or barrel-shaped, (10-)15-30 × (8-)10-20 mm, apex rounded, glabrous at maturity. Cotyledons distinct.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 2.0
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

Light 7-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-7

Usage

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

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 120 - 365
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Quercus berberidifolia leaf picture by Reya Andrews (cc-by-sa)

Fruit

Quercus berberidifolia fruit picture by Josh (cc-by-sa)

Distribution

Quercus berberidifolia world distribution map, present in United States of America

Conservation status

Quercus berberidifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:295854-1
WFO ID wfo-0000289753
COL ID 4R4DX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Quercus agrifolia var. berberidifolia Quercus dumosa var. munita Quercus dumosa f. berberidifolia Quercus berberidifolia