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

2018; Pensoft Publishers; Volume: 94; Linguagem: Inglês

10.3897/phytokeys.94.21329

1314-2011

Wenhong Chen, Quang Hieu Nguyen, Run Zheng Chen, Tiên Hiêp Nguyên, Khang Sinh Nguyen, Van Tap Nguyen, Michael Möller, David J. Middleton, Yu-Min Shui,

Plant Parasitism and Resistance

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.