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* Trees, 6-20 m tall. Anhui, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Shaanxi, Sichuan, Yunnan, Zhejiang. Bark and branchlets grayish black. Trunk to 30 cm d.b.h. or more.
- Species: glabra
- Family: LEGUMINOSAE-CAESALPINIOIDEAE
- Height: 15-30 feet
- Minimum Hardiness Zone: 6