Summary
A new species of Begonia sect. Quadrilobaria from the Northwestern dry forest of Madagascar is described and illustrated with a line drawing. The new species is compared with morphologically similar species, B. bagotiana Humbert ex Keraudren & Bosser, B. bekopakensis Aymonin & Bosser and B. neoperrieri Humbert ex Keraudren & Bosser, and its distinctive characteristics are provided as well as a provisional extinction risk assessment.
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References
Bardot-Vaucoulon, M. (1997). Observations sur le milieu et la végétation du Massif de l’Ankarana (Nord de Madagascar) et description de trois nouvelles espèces de Chlorophytum (Liliaceae), Tacca (Taccaceae) et Adenia (Passifloraceae). Adansonia, sér. 3, 19: 139 – 163.
Goodman, S. M., Raherilalao, M. J. & Wohlhauser, S. (2018). The Terrestrial Protected Areas of Madagascar: Their History, Description, and Biota. The University of Chicago Press, USA.
Hughes, M. (2011). A new species of fleshy-fruited Begonia (Begoniaceae) from the Masoala Peninsula, Madagascar. Adansonia, sér. 3, 33: 81 – 85.
____, Moonlight, P. W., Jara-Muñoz, A., Tebbitt, M. C., Wilson, H. P. & Pullan, M. (2015+). Begonia Resource Centre. http://padme.rbge.org.uk/begonia/ [Accessed 1 Nov. 2021].
IUCN (2012). IUCN Red List Categories and Criteria: Version 3.1. 2nd ed. IUCN Species Survival Commission, Gland & Cambridge.
Keraudren-Aymonin, M. (1983). Bégoniacées. In: J.-F. Leroy (éd.), Flore de Madagascar et des Comores, famille 144. Muséum national d’Histoire naturelle, Paris.
Scherberich, D. (2020). Two New Species of Begonia sect. Erminea (Begoniaceae) from the Masoala Peninsula, Madagascar. Novon 28 (4): 235 – 239.
____ & Duruisseau, J. (2016). Begonia henrilaportei Scherber. & J. Duruisseau (Begoniaceae), a new endemic species from the Masoala peninsula, Madagascar. Candollea 71: 11 – 16.
____ & ____ (2017). Two new species of Begonia sect. Erminea (Begoniaceae) from Nosy Mangabe in Madagascar. Candollea 72: 257 – 263.
____ & ____ (2019). Three new species of Begonia sect. Erminea (Begoniaceae) from north-east Madagascar. Adansonia, sér. 3, 41: 59 – 67.
Acknowledgements
The first author is most grateful to the directors and staff at K and P for allowing access to the collections and providing loans of the specimens for study. We would also like to thank Ralph Mangeldorff for his support and for sharing precious observations in the field, Vanessa Damianthe for providing the illustration of the new species and the anonymous reviewers for their constructive comments.
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Scherberich, D., Bardot-Vaucoulon, M. Begonia gregaria, a new species of Begonia sect. Quadrilobaria (Begoniaceae) from Northwest Madagascar. Kew Bull 77, 491–495 (2022). https://doi.org/10.1007/s12225-022-10029-0
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DOI: https://doi.org/10.1007/s12225-022-10029-0