| Quercus gilva | |
| Author | Blume 1850 Mus. Bot. 1: 306 |
| Synonyms | Cyclobalanopsis
gilva ( Bl.) Oerst. 1867 Cyclobalanopsis hunanensis (Hand.-Mazz.) Cheng & Hong 1963 hunanensis Hand.-Mazz. 1929 (A. Camus = n° 35) |
| Local names | Red Bark Oak ; ichiigashi ; chi pi qing gang ; |
| Range | Japan; Central
China (Fujian, Guangdong, Guizhou, Hunan, Taiwan, Zhejiang); S. Korea;
Taiwan; 300-1500 m; |
| Growth habit | reaches 30 m
tall, trunk to 3 m in diameter; |
| Leaves | 6-12 x 2-3.5
cm; persistent; leathery; oblanceolate to oboval-elliptic; shiny green
and hairless above, whitish veltutinous beneath with stellate hairs; young
leaves bear a yellow tomentum on both sides; margin with sharp teeth in
apical half; base cuneate, apex acuminate; 11-18 vein pairs slightly raised
underneath; petiole 1-1.5 cm, densely with stellate hairs; |
| Flowers | in April-May;
male catkins 7-11 cm long, flowers with 7-8(10) stamens with puberulent
anthers; female inflorescences 1-1.5 cm long tomentose; styles almost
completely connate; |
| Fruits | acorn mucronate,
obovoid-ellipsoid, 1.6-2 cm long, 1-1.3 cm wide; apex hairy; enclosed
1/4 by cup; cup stalkless, 6-8 mm long, 11-15 mm wide, thin (1 mm), yellowish
tomentose inside and outside, with 6-7 concentric rings finely dentate
or entire; scar 5-6 mm, slightly convex; stylopodium persistent, puberulent;
edible; maturing in 1 year; |
|
Bark, twigs and |
bark
scaly, greyish red, peeling into large plates; twigs densely tawny tomentose
becoming glabrous after 3 years; |
| Hardiness zone, habitat | hardy;
all types of soils, prefers wet ones; good on calcareous soils; fast-growing;
|
| Miscellaneous | --
A. Camus : tome 1, p. 249, n° 34 ; -- Sub-genus Cerris, Section Cyclobalanopsis; -- Section Gilva (Menitsky); -- For Menitsky (1974), Q.hunanensis is a true species, in Hunan; -- Sargent, in 1894, described it as the most beautiful tree he saw in Japan; |
| Subspecies and varieties |
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| Pictures |
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