Quercus imbricaria Michx.

Shingle oak (en)

Species

Angiosperms > Fagales > Fagaceae > Quercus

Characteristics

Trees , deciduous, to 20 m. Bark grayish brown, fissures and ridges shallow, inner bark pinkish. Twigs greenish brown to brown, 1.5-3(-4) mm diam., glabrous or sparsely pubescent. Terminal buds brown to reddish brown, ovoid, 3-6 mm, distinctly 5-angled in cross section, scales minutely ciliate on margins. Leaves: petiole 10-20 mm, glabrous. Leaf blade ovate or elliptic to obovate, usually widest near middle, 80-200 × 15-75 mm, base obtuse to cuneate, occasionally rounded, margins entire with 1 apical awn, apex acute to obtuse; surfaces abaxially uniformly pubescent, adaxially lustrous, glabrous. Acorns biennial; cup deeply saucer-shaped to cup-shaped, 5-9 mm high × 10-18 mm wide, covering 1/3-1/2 nut, outer surface puberulent, inner surface light brown to reddish brown and glabrous or with a few hairs around nut scar, scale tips tightly appressed, acute; nut ovoid to subglobose, 9-18 × 10-18 mm, often striate, having 1 or more indistinct rings of minute pits at apex, glabrate, scar diam. 5-9 mm. 2 n = 24.
More
A deciduous tree. It grows 25 m tall. The bark is grey-brown. It is smooth at first but becomes cracked with age. The leaves are oblong or sword shaped and 15 cm long by 7.5 cm wide. They end in a fine point. They do not have teeth along the edge. The leaves are yellow when young but become dark green. They have grey hairs underneath. The male and female flowers are borne separately on the same plant. The male flowers are more obvious and are in yellow-green drooping catkins. The fruit is an acorn which is 2 cm long. About one third is enclosed in a cup. The cup is covered with broad hairy scales.
Medium-sized tree; bark with flat gray ridges and shallow furrows; twigs soon glabrescent; lvs dark green, shining, firm, oblong or lance-oblong, occasionally oblong-obovate, 10–17 × 3.5–7 cm, bristle-tipped, entire, glabrous above, softly and loosely pubescent beneath; a crown of dry tan or brown leaves remaining well into winter and even into early spring; acorn 12–16 mm, the cup 6–8 mm, with relatively few and broad scales. Dry upland soils; e. Pa. to s. Mich., O., and Kans., s. to N.C., Ga., and Ark.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 8.5
Mature height (meter) 13.7 - 15.0
Root system -
Rooting depth (meter) 0.6
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

Found in a variety of habitats from dry upland ridges to rich and moist river bank soils. Moderately dry to mesic slopes and uplands, occasionally in ravines and bottoms; at elevations from 100-700 metres.
More
It is a temperate plant. It is native to the central and eastern United States. It grows in rich woods and on riverbanks. It suits hardiness zones 6-10.
Light 6-8
Soil humidity 4-6
Soil texture 2-4
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 5-7

Usage

Uses dye environmental use fiber fuel material medicinal wood
Edible nuts seeds
Therapeutic use Antidiarrheal (bark), Dermatological Aid (bark), Disinfectant (bark), Emetic (bark), Febrifuge (bark), Gastrointestinal Aid (bark), Oral Aid (bark), Respiratory Aid (bark), Throat Aid (bark), Tonic (bark), Urinary Aid (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°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Quercus imbricaria leaf picture by W Bri (cc-by-sa)
Quercus imbricaria leaf picture by W Bri (cc-by-sa)
Quercus imbricaria leaf picture by kerry kerry (cc-by-sa)

Distribution

Quercus imbricaria world distribution map, present in Åland Islands, Micronesia (Federated States of), Nicaragua, and United States of America

Conservation status

Quercus imbricaria threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:296296-1
WFO ID wfo-0000291331
COL ID 4R57Q
BDTFX ID 54478
INPN ID 116713
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Quercus sonchifolia Quercus aprica Quercus latifolia Erythrobalanus imbricaria Quercus imbricaria var. inaequalifolia Quercus imbricaria var. spinulosa Quercus phellos var. imbricaria Quercus imbricaria