Quercus macrocalyx
Hickel & A. Camus
Soi tru
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(c) 7017, some rights reserved (CC BY-NC)
Summary
Source: WikipediaQuercus macrocalyx is a tree species in the beech family Fagaceae There are no known subspecies. It is placed in subgenus Cerris, section Cyclobalanopsis. This oak tree grows up to 20 m tall and has been recorded from Vietnam, where it may be called sồi đấu to.
Description
An evergreen tree. It grows 20-25 m tall. The trunk is 60-80 cm across. The bark is smooth and grey. The leaves are large and long. The nut is oval and 5-5.5 cm long by 2.5 cm wide.
Edible Uses
The starch in the nuts is edible and the nuts are also used to distill alcohol.
Traditional Uses
The starch in the nut is edible. It is also used to distill alcohol. Caution: Alcohol is a cause of cancer.
This uses section is brief — help expand it
Known Hazards
Alcohol is a cause of cancer.
Distribution
A tropical plant. It grows in tropical evergreen forests at 500-1,000 m altitude. It occurs on slopes and mountain tops.
Where It Grows
Asia, China, Indochina, Laos, SE Asia, Vietnam,
Cultivation
Plants are grown from seeds.
Production
It grows slowly.
Other Information
Nuts are sold in local markets.
Notes
There are about 600 Quercus species.
Synonyms
Also Known As
Ko ko, Ko pook
References (3)
- Forest Inventory and Planning Institute, 1996, Vietnam Forest Trees. Agriculture Publishing House p 299 (As Quercus fleuryi)
- Lehmann, L., et al, Forests and Trees of the Central Highlands of Xieng Khouang, Lao P. D. R., A field guide. (As Quercus fleuryi)
- www.mekonginfo.org/assets/midocs/0001714-environment-forests-and-trees-of-the-central-highlands-of-xieng-khouang-lao (As Quercus fleuryi)
