Quercus emoryi Torr.

Emory oak (en)

Species

Angiosperms > Fagales > Fagaceae > Quercus

Characteristics

Trees or shrubs , evergreen, to 15 m. Bark dark brown to black, deeply fissured. Twigs dark reddish brown, 1-3 mm diam., pubescent. Terminal buds reddish brown, ovoid to subconic, 2.5-6.5 mm, glabrous except for tuft of hairs at apex, occasionally hairy on distal 1/2. Leaves: petiole 3-7(-10) mm, pubescent. Leaf blade ovate to narrowly oblong to obovate, planar, 28-95 × 15-45 mm, base cordate, margins entire or spinose, with up to 13 awns, apex blunt to acute; surfaces abaxially glabrous except for tuft of tomentum on each side of midrib at base of blade, rarely completely glabrous, adaxially not rugous, glabrous or with a few hairs along midrib. Acorns annual; cup cup-shaped, 5-7.5 mm high × 7-12 mm wide, covering 1/4-1/2 nut, outer surface pubescent to sparsely puberulent, inner surface pubescent to floccose, scale tips appressed, blunt; nut ellipsoid to oblong, 10-18 × 6-10 mm, glabrous to puberulent, especially at apex, scar diam. 3-5.5 mm.
More
A tree. It grows 4-7 m tall. The flowers are yellow.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) -
Mature height (meter) 11.0 - 12.0
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

Canyons, dry foothills and mountain slopes, 1350-2350 metres, growing best in sheltered valleys.
More
It is a temperate plant. In Melbourne Botanical Gardens.
Light 6-9
Soil humidity 4-7
Soil texture 2-4
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-8

Usage

The acorns are eaten whole and raw. They are also ground or boiled. They are used as thickening for stew. The acorns are stored for later use.
Uses animal food dye food material medicinal wood
Edible fruits nuts seeds
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 emoryi leaf picture by Rudd (cc-by-sa)

Distribution

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

Conservation status

Quercus emoryi threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:306491-2
WFO ID wfo-0000290650
COL ID 6X3QX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Quercus duraznillo Quercus emoryi Quercus balsequillana Quercus hastata Quercus duraznillo f. bullata Quercus duraznillo f. cochutensis Quercus duraznillo f. pinetorum