中国樟科植物一新记录种--圆头叶桂

摘要

报道了中国樟科(Lauraceae)樟属1新记录种--圆头叶桂(Cinnamomum daphnoides Sieb. et Zucc.)，该种据记载特产于日本的九州近海岸地区至冲绳诸岛，在浙江省象山县南韭山岛发现有该种分布。对该种的主要形态特征与生境进行了描述，并提供了凭证标本和活植物照片。同时还列举并分析了中国东部沿海与日本间断分布的植物，说明两地之间植物区系有着密切的联系。%Cinnamomum daphnoides Sieb. et Zucc. is reported as a new record species of Lauraceae from China, which was found in South Jiushan Island of Xiangshan County in Zhejiang Province. According to the records, this species was endemic to Japan, distributed from the coastal areas of Kyushu to Okinawa Islands. The main morphological characters, habitat, photographs, voucher specimens are also provided for identification. The species with a disjunct distribution between east coast of China and Japan are enumerated and discussed, which indicate that there is a close link between the two lforistic regions.