| Quercus utilis | |
| Author | Hu & W.C.Cheng 1951 Acta Phytotax. Sin. 1: 146 |
| Synonyms | |
| Local names | tan li ; |
| Range | Northern
Vietnam (Ha Giang Province); China : SO Guangxi, SE Yunnan (Xichou Xian),
Guizhou 1000-1500 m; |
| Growth habit | reaches 10 metres tall; |
| Leaves | 2.5-5.5
x 1.5-2.5 cm; evergreen; elliptic lanceolate or oboval; slightly leathery;
apex pointed, with a short mucro; base cuneate, decurrent on the petiole;
margin denticulate; shiny green above; greenish beneath, hairless except
axillary stellate hairs; 9-11 vein pairs, thin, impressed adaxially; petiole
2-5 mm long, glabrescent; |
| Flowers | April-May |
| Fruits | acorn
1 cm long, 0.7 cm wide; ovoid; brown, hairless except at apex; singly
or paired; stout, hairy, 0.5 cm long peduncle; cup bowl-shaped enclosing
1/3 of nut, 6-7 cm in diameter; petiole 2-5 mm, thin, glabrescent; |
|
Bark, twigs and |
twigs
slender, minutely striped, covered with a loose, stellate tomentum; aging
hairless, greyish; |
| Hardiness zone, habitat | not
hardy; prefers rocky soils; |
| Miscellaneous |
-- Sub-genus Cerris, Section Ilex; |
| Subspecies and varieties |
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| Pictures |
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