Piercing oil tree
Xylosma congesta
Family: Salicaceae
What it is like
An evergreen tree. It grows 10 m high. It has sharp spines on the trunk. The leaves are oval and 3-8 cm long and 2-5 cm wide. They taper to the tip and are rounded at the base. There are teeth along the edge. The flowers are small and greenish-yellow. Male and female flowers are on separate trees. The flowers occur in groups in the axils of leaves. The fruit is like a berry and black. It is 3-4 mm across. There are 2-3 seeds.
Also put in the Flacourtiaceae family.
Where it is found
It grows in limestone regions in southern China. It grows in sunny hillsides between 500-1,100 m above sea level. In Sichuan and Yunnan.
Countries/locations it is found in
Asia, China, India, Japan, Korea, Taiwan, Tibet
How it is used for food
Edible parts
Seeds - oil
How it is grown
In China plants flower in July to November and fruit August to December.
Its other names
Local names
Synonyms
Probably now Croton congesta