New species Begonia elegantifolia exhibits unique tepals in the Platycentrum section, suggesting diversity.
A new species of Begonia is described from lowland northern Sumatra, Indonesia named Begonia elegantifolia Ritonga, Girm. & Mustaqim. The species belongs to section Platycentrum and is unique from other species in having a combination of narrowly lanceolate leaves and flowers with six tepals. The new species is the first species in sect. Platycentrum that posseses staminate flowers with six tepals. Detailed description, diagnoses and photographs are given.
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Ritonga et al. (2025) studied this question.
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