摘 要 ：本文描述中国海桑属一新种:拟海桑(Sonneratia paracaseolaris Ko, E. Y. Chen et W. Y.Chen).重新发表海桑属7种检索表,并将原隶属海桑组的海南海桑S.hainanensis Ko, E. Y.Chenet W.Y.Chen改隶无瓣海桑组,因其过去被认为是花瓣的部分实为退化雄蕊.
Abstract:A new species of Sonneratia(S. paracaseolaris Ko, E. Y. Chen et W. Y. Chen) is described from Hainan; S. hainanensis Ko, E. Y. Chen et W. Y. Caen is transferred to Section Pseudosonneratia. A key to the species is given.