Abstract

Three new orchid species are described from Vietnam as a new for science. They are - Cheirostylis cristata (related to C. bipunctata and C. chinensis), Didymoplexiella denticulata (related to D. ornata and D. siamensis) and Habenaria luceana (similar superficially to H. geniculata, H. ecalcarata, H. malintana and H. parageniculata, but having rather isolated taxonomic position). Detailed description, illustrations, data on flowering time, ecology and distribution are provided for each recognized species.

中文摘要

本文介紹越南三種蘭科新植物，他們分別是Cheirostylis cristata (與C. bipunctata，C. chinensis相似)，Didymoplexiella denticulata denticulata (與D. ornata，D. siamensis相似) 與Habenaria luceana (與H. geniculata, H. ecalcarata, H. malintana and H. parageniculata諸種類似)。此外並提供每一物種之詳細描述、手畫圖、開花時間、生態與分佈。

Keyword: Orchidaceae, taxonomy, new species, Cheirostylis cristata, Didymoplexiella denticulata, Habenaria luceana, Vietnam.