Silk castanopsis, Cup-shaped castanopsis
Castanopsis calathiformis

Family: Fagaceae

What it is like

A large tree. It grows 20 m tall. The branches are smooth. The leaves are narrowly oval and 15-25 cm long by 5-8 cm wide. The base is wedge shaped. They are teeth along the edges or the edges are wavy. The flowers are small. The nuts are in cups 9-13 mm across. The nuts are oval and 1.5 cm long by 8-10 mm wide.

Where it is found

It is a tropical plant. It grows in southern Yunnan in China. It grows in monsoon forest.

Countries/locations it is found in

Asia, China (country/location of origin), Indochina, Laos, SE Asia, Thailand

How it is used for food

Starch is obtained from the seeds. The seeds are roasted and eaten.

Edible parts

Seeds, nut

How it is grown

Its other names

Local names

A ba a bo, Large-leaved castanopsis

Synonyms

Lithocarpus calathiformis (Skan) A. Camus; Pasania calathiformis (Skan) Hickel & A. Camus; Quercus calathiformis Skan.; Synaedrys calathiformis (Skan) Loidz.;