Kandelia candel(D.)is a woody mangrove species growing in intertidal of tropical and subtropical region.It naturally distributed in 5 southeastern provinces (Hainan,Guangdong,Guangxi,Taiwan and Fujian) of China.The distribution,however,has been shrinking due to over exploitation of its habitat.Rehabilitating mangrove vegetation underwent in Shenzhen Bay,a place neighboring Hong Kong in Guangdong Province. K.candel propagated through hypocotyls.Replanting efforts demanded proper provenance.Based upon our ex...