A new species of \(\textit{Billolivia}\) (Gesneriaceae) from Vietnam
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https://doi.org/10.15625/2615-9023/18594Keywords:
Billolivia maiana, Gesneriaceae, narrowly endemic, Central Highlands, Vietnam.Abstract
Billolivia maiana is described as a new species narrowly endemic to Cu Prong mountain, Dak Lak province, Central Highlands of Vietnam. This third recorded yellow-flowered species of the genus is characterized by the absence of stolons, glabrous young leaves, smaller leaves with short petioles, compacted inflorescence with short peduncles, rays and pedicels, white upper lobes of corolla with yellow margin and purple lines throughout, undulate disc-lobes and glabrous ovary. The new taxon is described and illustrated with field photographs of detailed botanical characteristics and assessed as CR following the IUCN Redlist Categories. A key to all yellow-flowered Billolivia taxa is provided.
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Bridson D. & Forman L., 1999. Herbarium Handbook - 3rd Edition. Kew, Lubrecht & Cramer Ltd.
Hareesh V. S., Le T. A. & Pham T. T. D., 2019. Billolivia thongii (Gesneriaceae), a new species from Central Highlands, Vietnam. Webbia, 74(2): 293–296. https://doi.org/10.1080/00837792.2019.1682243
Hareesh V. S., Nguyen D. D. & Le T. A., 2020. Billolivia lamdongensis (Gesneriaceae), a new species from Vietnam. Annales Botanici Fennici.
IUCN Standards and Petitions Subcommittee, 2022. Guidelines for using IUCN Red List Categories and Criteria. Version 15. Prepared by the Standards and Petitions Subcommittee. Downloadable from https://www.iucnredlist.org/documents/RedListGuidelines.pdf.
Luu H. T., Pham H. N., Tran G., Ngo T. T. D., Dinh N. L. & Ton T. M., 2015. Billolivia kyi (Gesneriaceae), a new species from Vietnam. Annales Botanici Fennici, 52(5–6): 362–364. https://doi.org/10.5735/ 085.052.0515
Luu H. T., Pham H. N., Nguyen Q. D., Nguyen T. V., Nguyen T. M. & Vu N. L., 2018a. Two new species of Billolivia (Gesneriaceae) from the Langbiang Plateau, Vietnam. Phytotaxa, 385(1): 037–042.
Luu H. T., Tran H. D., Pham H. N., Nguyen T. Q. T., Nguyen Q. D. & Vu N. L., 2018b. Two new species of Billolivia (Gesneriaceae) with yellow flowers from Vietnam. Phytotaxa, 362(2): 227–232. https://doi.org/10.11646/phytotaxa.362.2.9
Ly N.-S., 2017. A new species of Billolivia (Gesneriaceae) from Central Vietnam. Phytotaxa, 291(1): 89–93. https://doi.org/ 10.11646/phytotaxa.291.1.9
Middleton D., Atkins H., Luu H. T., Nishii K. & Moeller M., 2014a. Billolivia, a new genus of Gesneriaceae from Vietnam with five new species. Phytotaxa, 161(4): 241–269. https://doi.org/10.11646/phytotaxa. 161.4.1
Middleton D. J., Leong-Škorničková J. & Nguyễn Q. B., 2014b. A new species of Billolivia (Gesneriaceae) from Vietnam. Gardens’ Bulletin Singapore, 66: 189–194. https://doi.org/10.11646/phytotaxa. 291.1.9
Nguyen Q. D., Dinh N., Nguyen H., Vu N. & Luu H., 2016. Billolivia cadamensis (Gesneriaceae), a new species from central Vietnam. Academia Journal of Biology, 38(4): 492–496. https://doi.org/ 10.15625/0866-7160/v38n4.8837
Vu N. L., Pham H. N., Nguyen T. V. & Luu H. T., 2015. Billolivia tichii (Gesneriaceae), a new species from Vietnam. Phytotaxa, 219(2): 190–194. https://doi.org/10.11646/phytotaxa.219.2.9
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Copyright (c) 2023 Ngoc Long Vu, Hieu Cuong Nguyen, Huu Dang Tran, Hong Truong Luu
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