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乌桕在全省各县均有分布,但主要集中在乌江流域及赤水河流域的遵义、务川、道真、正安、仁怀、习水等20个县。主要分布在海拔400～900米的地带,在高海拔1400～1700米的毕节等地虽有分布,但树体长势较差,呈小乔木状,产量低,果难开裂。乌桕是雌雄花同花序异花植物,在长期的自然杂交和人为选育的双重作用下,形成了许多适应于一定自然条件和栽培条件的地方品种(类
The clam is distributed in all counties in the province, but it is mainly concentrated in 20 counties such as Zunyi, Wuchuan, Daozhen, Zheng’an, Renhuai and Xiushui in the Wujiang River valley and the Chishui River basin. Mainly distributed in the 400 ~ 900 meters above sea level in the high altitude 1400 ~ 1700 meters, although the distribution of Bijie, etc., but poor growing tree body, was small arborous, low yield, fruit cracking difficult. Urbina is a dioecious flowering plant, under the dual action of long-term natural hybridization and artificial breeding, many local cultivars that adapt to certain natural and cultural conditions