Abstract:Of the 388 rare and endangered plant taxa included in Volume one of the ChinaPlant Red Data Book-Rare and Endangered Plants, 14 species have been recorded inHong Kong Special Administrative Region. Of these, 2 are pteridophytes, 2 aregymnosperms and 10 are angiosperms. Most of these 14 species are also distributed inGuangdong Province with one exception namely Ophioglossum thermale. Two species,Aquilaria sinensis and Artocarpus hypargyreus, which are included in the China Plant RedData Book and classified as vulnerable，are relatively common in Hong Kong． The distribution and conservation of these 1 4 nationally rare and endangered plant species in Hong Kong are described．