September 27, 2025

Begonia elegantifolia (Begoniaceae), a new species from northern Sumatra, Indonesia

Key Points

Begonia elegantifolia is a newly discovered species from northern Sumatra, distinguished by its unique floral characteristics.
This new species features narrowly lanceolate leaves and six tepals in its flowers, unlike any other known species.
It represents the first member of section Platycentrum to have staminate flowers with this six-tepal structure.
The detailed description includes key identification features and photographs to aid recognition of the species.

Abstract

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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Cite This Study

Ritonga et al. (Thu,) studied this question.

synapsesocial.com/papers/68d7cc6aeebfec0fc5238b3f https://doi.org/https://doi.org/10.11646/phytotaxa.720.1.9

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