Citrus taiwanica

Citrus taiwanica is a citrus species from Taiwan. It is endangered in the wild.

Name
In the Saisiyat language it is called Katayoe'. The Japanese named it the Nansho Daidai sour orange when they colonized Taiwan.

Distribution
Cultivated varieties are primarily found in Nanzhuang Township. Additionally they have been planted as part of reforestation efforts by the Forestry and Nature Conservation Agency.

Description
Citrus taiwanica is a small tree with numerous thorns. The fruit are yellow when ripe and remain bitter.

In Riverside, CA it ripens from January to March.

Uses
Marmalade can be made from Citrus taiwanica. Marmalade made from Citrus taiwanica has twice won awards at the World Marmalade Awards.