Taxonomic Revision of Tribe Ocimeae Dumort. (Lamiaceae) in Continental South East Asia III. Ociminae

The tribe Ocimeae subtribe Ociminae is fully revised for continental South East Asia (Burma, Thailand, Laos, Cambodia and Vietnam). Descriptions, full synonyms relevant to South East Asian Floras, maps, line drawings, information about ethnobotany, distributions, habitats, ecology, endemism and conservation, vernacular names, specimens examined and index to accepted names and synonyms are given. Four genera are covered here: Basilicum, Orthosiphon, Ocimum and Platostoma. In Orthosiphon, Orthosiphon lanatus Doan ex S. Suddee & A. J. Paton, O. rotundifolius Doan ex S. Suddee & A. J. Paton, O. truncatus Doan ex S. Suddee & A. J. Paton are validated and O. pseudoaristatus S. Suddee is described as a new species. Orthosiphon aristatus var. velteri S. Suddee & A. J. Paton is described as a new variety. In Platostoma, Platostoma becquerelii S. Suddee & A. J. Paton, P. cambodgense S. Suddee & A.J. Paton, P. grandiflorum S. Suddee & A.J. Paton, P. kerrii S. Suddee & A.J. Paton, P. rubrum S. Suddee & A. J. Paton and P. taylorii S. Suddee & A. J. Paton, are valid names for species previously described by Doan in Flore Indo-Chine. P. mekongense S. Suddee is described as a new species. Platostoma coloratum var. minutum S. Suddee and P. cambodgense var. subulatum S. Suddee are described as new varieties.