A New Botanical Gem from Mindanao
In the lush forests of Mindanao, a small but remarkable plant has captured the attention of scientists and nature enthusiasts alike. Meet Begonia blaan, a newly discovered species of begonia that not only adds to the Philippines’ rich biodiversity but also pays tribute to the Blaan indigenous people, the stewards of its habitat. Published in the prestigious Nordic Journal of Botany, this discovery highlights the power of collaboration between citizen scientists and researchers, as well as the critical role of indigenous communities in conservation.
The Discovery: A Story of Curiosity and Collaboration
The journey of Begonia blaan began in 2022 when Ceferino “Iñigo” Oceña III, a dedicated plant enthusiast, stumbled upon the unassuming plant during a botanizing trip in Barangay Mambucal, Koronadal City, South Cotabato. Intrigued by its unique features, Oceña shared photos of the plant on Facebook and reached out to botanists across the country. His hunch was correct—the plant was indeed a species new to science.
Mark Arcebal K. Naive, a leading expert on Philippine begonias, took on the challenge of describing the species. After more than two years of meticulous research, fieldwork, and collaboration, their findings were published in May 2025, introducing Begonia blaan to the world.
Why Begonia blaan Matters
- A Unique Addition to Biodiversity
- Begonia blaan belongs to the mega-diverse genus Begonia, which boasts over 2,000 species worldwide. The Philippines is a hotspot for begonias, with 97% of its species found nowhere else on Earth.
- This new species stands out for its sparsely scabrid stem, falcately ovate stipules, and distinctive 2-flowered pistillate inflorescence, setting it apart from its closest relative, Begonia quercifolia.
- A Tribute to the Blaan People
- The species name “blaan” honors the Blaan indigenous tribe, who have long inhabited the forests of South Cotabato and Sultan Kudarat. The Blaans are known for their deep connection to nature and their role as environmental stewards.
- Naming the species after the Blaan people celebrates their cultural heritage and underscores the importance of indigenous knowledge in conservation. As Oceña emphasized, “We want to highlight the Blaan’s commitment to protecting their ancestral lands.”
- Citizen Science in Action
- The discovery of Begonia blaan showcases the growing role of citizen scientists in biodiversity research. Social media platforms like Facebook have become vital tools for sharing observations and fostering collaborations between amateurs and experts.
- This approach has led to numerous recent discoveries in the Philippines, proving that anyone with a keen eye and passion for nature can contribute to science.
Conservation Challenges
Despite its beauty and ecological significance, Begonia blaan faces threats. Classified as Endangered under IUCN criteria, the species is known from only four localities, with fewer than 250 mature individuals observed. Its habitat—secondary forests and agricultural areas near human settlements—is under pressure from land-use changes.
The researchers urge immediate conservation efforts, including habitat protection and community-led initiatives, to ensure the survival of this unique begonia.
A Celebration of Nature and Culture
The story of Begonia blaan is more than just a scientific milestone; it is a celebration of the intricate ties between biodiversity and cultural heritage. By naming the species after the Blaan people, the researchers have woven indigenous identity into the fabric of botanical science, reminding us that conservation is as much about people as it is about plants.
As Naive and Oceña’s work demonstrates, every discovery is a step toward understanding and preserving our planet’s incredible diversity—one small, scabrid stem at a time.
Read the full study:
Naive, M. A. K., Oceña, C. M., & Espeja, B. L. (2025). Begonia blaan (Begoniaceae, sect. Petermannia), a new species from the Island of Mindanao, southern Philippines. Nordic Journal of Botany, 2025: e04838. [DOI: 10.1002/njb.04838]