Quercus ilicifolia Wangenh.

Bear oak (en), Chêne (fr)

Species

Angiosperms > Fagales > Fagaceae > Quercus

Characteristics

Trees or shrubs , deciduous, to 6 m. Bark dark gray, becoming shallowly fissured and scaly, inner bark pinkish. Twigs brown or yellowish brown, 1.5-3 mm diam., pubescent. Terminal buds dark reddish brown, ovoid, 2-4.5 mm, apex puberulent. Leaves: petiole (8-)10-25 mm, pubescent. Leaf blade ovate to elliptic or obovate, 50-120 × 30-90 mm, base cuneate to obtuse, margins with 3-7 acute lobes separated by shallow sinuses and 5-14 awns, apex acute; surfaces abaxially pale green to gray, tomentose, adaxially glossy dark green, glabrous, secondary veins raised on both surfaces. Acorns biennial; cup saucer-shaped to cup-shaped, 5-9 mm high × 10.5-17 mm wide, covering 1/4-1/3(-1/2) nut, outer surface puberulent, inner surface pubescent, scale tips tightly appressed, acute; nut ovoid to subglobose, 9.5-16 × 8-11 mm, striate, puberulent, scar diam. 4.8-7 mm. 2 n = 24.
More
Shrub or small tree to 5 m; twigs of the season thinly hairy or glabrous; lvs oblong or oblong-obovate, 5–10 cm, half or two-thirds as wide, typically with 5 short, broadly triangular lobes, occasionally with an extra pair of small lobes or with toothed lobes, closely and finely gray-tomentulose beneath; petioles 1–3 cm, glabrescent; acorns ovoid, 1.2–2 cm, the cup turbinate or deeply saucer-shaped, covering a third to half the nut, its scales relatively few and large, closely appressed. Rocky, sandy or sterile soil; s. Me. to c. N.Y., O., W.Va., and N.C.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 2.0
Mature height (meter) 4.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Dry, sandy soils and open rocky outcrops on dry mountain, upland, barren, and slope sites; at elevations up to 1,500 metres.
Light 4-8
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses dye material medicinal wood
Edible seeds
Therapeutic use Gynecological Aid (unspecified), Other (unspecified)
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°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Quercus ilicifolia habit picture by Matthias Foellmer (cc-by-sa)

Leaf

Quercus ilicifolia leaf picture by Matthias Foellmer (cc-by-sa)
Quercus ilicifolia leaf picture by william Davidson (cc-by-sa)

Distribution

Quercus ilicifolia world distribution map, present in Canada, Malaysia, Nicaragua, and United States of America

Conservation status

Quercus ilicifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:296293-1
WFO ID wfo-0000291321
COL ID 4R57J
BDTFX ID 77569
INPN ID 161392
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Quercus nana Quercus pumila Quercus banisteri Quercus ilicifolia Quercus discolor var. banisteri Quercus ilicifolia var. georgiana Quercus nigra var. ilicifolia Quercus nigra var. pumila Quercus rubra var. nana