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A new species of Gesneriaceae, Primulina duanensis Fang Wen & S. L. Huang is described and illustrated from Guangxi, China. It differs from P. ronganensis (D. Fang & Y. G. Wei) Mich. Möller & A. Weber in having broadly lanceolate bracts, being 1-3-flowered and possessing hairs on the upper part of the anthers where connected with the filaments; from P. sclerophylla (W. T. Wang) Yan Liu in having narrowly ovate to ovate leaf blade, leaf blade margin interrupted shallowly crenate, broadly lanceolate bracts, being 1-3-flowered and possessing hairs on the upper part of the anthers where connected with the filaments; from P. shouchengensis (Z. Y. Li) Z. Y. Li in having narrowly ovate to ovate leaf blade, leaf blade margin interrupted shallowly crenate, broadly lanceolate bracts and possessing hairs on the upper part of the anthers where connected with the filaments. [ABSTRACT FROM AUTHOR]

A new species of Gesneriaceae, Primulina melanofilamenta Ying Liu & F. Wen from Guangxi, China, is illustrated and described. It is morphologically distinct from the most similar species P. eburnea and P. atroglandulosa by the color of the corolla, dark purplish black filaments, anthers backed with a beard of white hairs, the length of staminodes and the hairs of styles. The somatic chromosome number of P. melanofilamenta is also reported as 2n = 36. [ABSTRACT FROM AUTHOR]