Two new species of Oreocharis (Gesneriaceae) from Fan Si Pan, the highest mountain in Vietnam

Chen, Wen Hong; Nguyen, Quang Hieu; Chen, Run Zheng; Nguyen, Tien Hiep; Nguyen, Sinh Khang; Nguyen, Van Tap; Möller, Michael; Middleton, David J.; Shui, Yu-Min

doi:10.3897/phytokeys.94.21329

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Two new species of Oreocharis (Gesneriaceae) from Fan Si Pan, the highest mountain in Vietnam

Author(s): Wen Hong Chen , Quang Hieu Nguyen , Run Zheng Chen , Tien Hiep Nguyen , Sinh Khang Nguyen , Van Tap Nguyen , Michael Möller , David J. Middleton , Yu-Min Shui

Publication date Created: January 29 2018

Publication date (Electronic): January 29 2018

Journal: PhytoKeys

Publisher: Pensoft Publishers

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Abstract

Abstract Two new species of Oreocharis Benth. from Fan Si Pan, the highest mountain in Vietnam (Sa Pa) are described and illustrated. Oreocharis grandiflora W.H.Chen, Q.H.Nguyen & Y.M.Shui, is similar to O. flavida Merr. from Hainan province, China, but differs mainly by its larger and infundibuliform corolla, stamens adnate to the base of the corolla tube and stamens coherent in two pairs. The second, Oreocharis longituba W.H.Chen, Q.H.Nguyen & Y.M.Shui, is similar to O. hirsuta Barnett, endemic to northern Thailand, but mainly differs in its pubescence, coherent stamens and glabrous filaments.