Begonia flacca. A. Plant in situ, Kolaka population; scale bar: 15 cm. B. Plant in situ, Tanjung Peropa population; scale bar: 10 cm. C. Plant in situ, Wawonii island population; scale bar: 20 cm. D. Leaf shape variation, (a-c) Kolaka population, (d) Tanjung peropa population, (e) Wawonii island population; scale bar: 5 mm. E. Inflorescence, Kolaka population; scale bar: 10 mm. F. Inflorescence, Tanjung Peropa population; scale bar: 5 mm. G. Inflorescence, Wawonii island population; scale bar: 5 mm. A, D (a-c), E from Ardi, W.H. 138; B, D (d), F from Ardi, W.H. 120; C, D (e), G from Ardi, W.H. 182 (Photos: W.H. Ardi).