Cuong Huu Nguyen‡§, Ly Van Nguyen‡, Khang Sinh Nguyen|, Alexander A Egorov¶, Leonid V Averyanov#Corresponding author: Cuong Huu Nguyen ( nguyenhuucuong.tvr@gmail.com ) Corresponding author: Ly Van Nguyen ( lynguyenvnuf@gmail.com ) Corresponding author: Khang Sinh Nguyen ( nskhang@gmail.com ) Corresponding author: Alexander A Egorov ( egorovfta@yandex.ru ) Corresponding author: Leonid V Averyanov ( av_leonid@mail.ru ) © Cuong Huu Nguyen, Ly Van Nguyen, Khang Sinh Nguyen, Alexander A Egorov, Leonid V Averyanov. This is an open access preprint distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Citation:
Nguyen CH, Nguyen L, Nguyen K, Egorov A, Averyanov L (2021) Hemiboea chanii (Gesneriaceae), a new species from limestone areas of northern Vietnam. ARPHA Preprints. https://doi.org/10.3897/arphapreprints.e69957 |  |
Hemiboea chanii, a new species of Gesneriaceae from Ha Giang Province, northern Vietnam, is here described and illustrated. It has many branched stems up to 90 cm, with 12–16 nodes, involucre diamond with two cirrose opposite apexs, pink corolla with red spotted inside, and flowering time in January–February. Among congeners with abaxially hairy corolla new species morphologically most close to H. crystallina and H. sinovietnamica. Diagnostic discriminative features between all mentioned species are discussed.