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Begonia francisabuidii, (section Baryandra, Begoniaceae) a new species endemic to Albay, Luzon Island, Philippines

摘要


Begonia francisabuidii from Albay, Bicol region, Luzon Island is here described as a new species endemic to the Philippines. Belonging to section Baryanda, it resembles B. madulidii but is distinguished by shorter and puberulent rhizomes, densely hirsute stipules, reddish and pubescent petiole, smaller leaves, puberulous panicle, smaller bracts and 4-tepaled pistillate flower. According to the IUCN red list categories and criterion, B. francisabuidii is proposed to be placed in the Critically Endangered (CR) category.

參考文獻


Naive, M.A.K. and M.A. Cababan, 2021. Taxonomy of the genus Begonia (Begoniaceae) in Mindanao, Philippines I: Begonia olganunezae, a new Begonia section Petermannia species discovered in the province of Bukidnon. Taiwania 66(4): 433‒438.
Bachman, S., J. Moat, A.W. Hill, J. de la Torre and B. Scott. 2011. Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool. In: Smith, V. and L. Penev. (Eds.) e-Infrastructures for data publishing in biodiversity science. ZooKeys 150: 117–126.
Blasco, F.A., R.R. Rubite, J.C. Cortes and G.C.D. Alejandro. 2021. Begonia lanuzaensis (sect. Petermannia, Begoniaceae) a new species from Surigao del Sur, Mindanao Island, Philippines. Phytotaxa 523(3): 203–207.
Buenavista, D.P., Y.P. Ang, M.A.K. Pranada, D.S. Salas, E. Mollee and M. McDonald. 2021. Begonia bangsamoro (Begoniaceae, section Petermannia), a new species from Mindanao Island, the Philippines. Phytotaxa 497(1): 39–48.
Camangeg, L.M., W. Cabanillas, M.N. Tamayo, V.C. Mangussad, M.A.K. Pranada and Y.P. Ang. 2021. Two endemic new species of Begonia (Begoniaceae) from Palawan, Philippines. Gard. Bull. Singapore 73(2): 399–412.

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