Figure 6From: Two new species of Begonia sect. Coelocentrum, B. guixiensis and B. longa, from Sino-Vietnamese limestone karstsSomatic chromosomes at metaphase of Begonia guixiensis and B. longa . A, Microphotograph of B. guixiensis (Peng et al. 20310, 2nā=ā30); B, Microphotograph of B. longa (Peng et al. 20076, 2nā=ā30). Aā, Bā, Somatic chromosomes serially arranged by length and position of centromeres. Scale barsā=ā2Ā Ī¼m.Back to article page