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Quercus helferiana A. DC.

Quercus helferiana

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Quercus helferiana is a species of tree in the beech family Fagaceae. It is native to Vietnam, Thailand, Laos, Myanmar, India (northeast), and southern China (Yunnan, Guangdong, Guangxi, Guizhou).[2] It is placed in subgenus Cerris, section Cyclobalanopsis.[3]

Description

Quercus helferiana is a tree up to 20 m. tall, with a trunk up to 0.3 m in diameter. Leaves oblong-elliptic, to elliptic-lanceolate, 120-150 (up to 220) × 40-80 (up to 95) mm, with wavy edges but no teeth or lobes.[2] The acorn is oblate, 10-16 × 15–22 mm, grey, with a depressed apex and often covered with shaggy hairs; the scar is 12–14 mm in diameter, flat to concave at maturity. Flowering is in March–April, acorns found from October–November.

References

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Quercus helferiana: Brief Summary

provided by wikipedia EN

Quercus helferiana is a species of tree in the beech family Fagaceae. It is native to Vietnam, Thailand, Laos, Myanmar, India (northeast), and southern China (Yunnan, Guangdong, Guangxi, Guizhou). It is placed in subgenus Cerris, section Cyclobalanopsis.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN