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Quercus xanthoclada | |
Author | Drake 1890 Bot. (Morot) 4: 149 |
Synonyms | Cyclobalanopsis xanthoclada (Drake) Schottky 1912 |
Local names | |
Range | Vietnam; Laos; Myanmar; |
Growth habit | 10-15 m; trunk to 2 m in girth; |
Leaves | 5.5-15 cm x 3-5; oval or oboval-oblong; apex rounded or shortly acute; base attenuate or rounded; margin remotely dentate near apex, entire or sinuate near base; young leaves densely pubescent both sides; mature leaves hairless; glaucous beneath with abundant wax; midrib slightly impressed adaxially, prominent below; 9-10 vein pairs impressed above, prominent below; petiole 1-3 cm, initially densely yellowish pubescent, then glabrous; |
Flowers | female flowers in pairs, with 5 pubescent styles connate at base; |
Fruits | acorn ovoid, truncate at base, 3.5-4 cm long, with basal scare convex; cup nearly campanulate, with a very short stalk, enclosing 1/3 to 1/2 of acorn, with 6-7 concentric rings entire, with thick wall, golden pubescent, glabrescent; |
Bark, twigs and |
bark white, smooth; twig covered with dense, rough yellow hairs, and some lenticels; bud small, hidden in the tomentum, with rounded, ovate scales; |
Hardiness zone, habitat | |
Miscellaneous | -- Camus : tome
1, p. 190, -- Sub-genus Cerris, section Cyclobalanopsis; |
Subspecies and varieties |
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Pictures |