Quercus guyavifolia H.Lév.

Species

Angiosperms > Fagales > Fagaceae > Quercus

Characteristics

Shrubs or trees to 15 m tall, evergreen. Branchlets densely reddish to dark brown tomentose, glabrescent. Petiole (1-)2-4(-7) mm, brown tomentose; leaf blade oblong, elliptic, ovate, or obovate, 2-9 × 1.5-5 cm, abaxially with brown spongy glandular hairs and pale brown stellate hairs and not glabrescent, adaxially hairy along midvein, base rounded, margin entire or with spiniform teeth, apex obtuse to mucronate; secondary veins 5-12 on each side of midvein; tertiary veins often hidden by indumentum. Female inflorescences 2-6 cm. Cupule cuculliform to shallowly cupular, 0.6-1 × 1-3 cm, margin of rim expanded to wavily rugose at maturity, inside with a thick, pale grayish brown indumentum; bracts lanceolate to narrowly ovate, 1-2 mm, grayish brown tomentose from base to middle, apex reddish brown, obtuse, distinct from cupule wall, and glabrous. Nut ovoid to subglobose, 1.5-1.8 cm in diam., glabrous, apex obtuse; scar ca. 5 mm in diam., slightly raised; stylopodium ca. 2 mm in diam. Fl. May-Jul, fr. Sep-Nov of following year.
More
A tree.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 15.0
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 -

Environment

It is a temperate plant.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

The kernel is eaten and also used for making wine.
Uses -
Edible nuts
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 120 - 365
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
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Vigor -
Productivity -

Distribution

Quercus guyavifolia world distribution map, present in China

Conservation status

Quercus guyavifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:359677-1
WFO ID wfo-0000291040
COL ID 4R53X
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Quercus guyavifolia Quercus aquifolioides var. rufescens Quercus ilex var. rufescens Quercus semecarpifolia var. rufescens Quercus pileata