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

2025/09/25 by Yusran Efendi Ritonga, Deden Girmansyah, Wendy A. Mustaqim · 1 voice
Agricultural and Biological Sciences · Biochemistry, Genetics and Molecular Biology · #Plant Diversity and Evolution #Plant Parasitism and Resistance #Plant and Fungal Species Descriptions

paper · doi:10.11646/phytotaxa.720.1.9

openalex publication_date 2025/09/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

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.

Discussions

• This is the species that pushed us over the boundary: Begonia elegantifolia Ritonga, Girm. & Mustaqim fro North Sumatra doi.org/10.11646/phy... [bsky, 4 points, 1 comments]

Related

• Begonia occidentalis (Begoniaceae, section Baryandra), a new species from Mindanao Island, southern Philippines with notes on B. copelandii
• A new species Begonia ziroensis and a new record of Begonia siamensis from Arunachal Pradesh, Northeast India
• Begonia thanhquyetii (B. sect. Petermannia, Begoniaceae), a new species from Quang Tri province, Central Vietnam
• A new species of Begonia (Begoniaceae) from the eastern mountains of Panama
• A new species in Begonia sect. Diploclinium (Begoniaceae) from Guangxi, South China