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Begonia lucivenia W.G. Wang, R.K. Li & H.C. Xi, in Xi, Li, Hu, Shen, Liu et Wang. 2025. |
Abstract
Begonia lucivenia, a new species of Begonia sect. Coelocentrum from Guangxi, China, is described and illustrated. It resembles B. zhuoyuniae but can be distinguished by its rhizome and internodes length, stipules size, petiole length and leaf blade size and indumentum. It also resembles B. porteri but differs in leaf blade shape, color and indumentum, and flower color. Detailed description is provided.
Keyword: Begonia porteri, Begonia zhuoyuniae, China, Guangxi, new taxon, taxonomy
Begonia lucivenia W.G.Wang, R.K.Li & H.C.Xi, sp. nov.
顯脈秋海棠
sect. Coelocentrum
Diagnosis: The new species differs from the most similar species Begonia zhuoyuniae (Liu et al., 2020) in rhizome and internodes not elongated, stipules larger, petioles longer, leaf blade larger and adaxially more densely villous.
Etymology: The specific epithet “lucivenia” refers to the bright and clearly visible color of the primary and secondary veins of leaf blade. Chinese name is proposed here as “顯脈秋海棠”.
Hou-Cheng Xi, Ren-Kun Li, Yong-Cheng Hu, Jian-Yong Shen, Shan-Hua Liu and Wen-Guang Wang. 2025. Begonia lucivenia, A New Species of Begonia sect. Coelocentrum (Begoniaceae) from Guangxi, China. Taiwania. 70(4); 689-693. DOI: 10.6165/tai.2025.70.689
taiwania.NTU.edu.tw/abstract/2126 [17 October 2025]