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Begonia triquetra (sect. Platycentrum, Begoniaceae), a new subpeltate-leaved species from limestone hills in Son La province, Northwestern Vietnam

Year: 2024

Type: article

Abstract: Begonia triquetra, a new species endemic to the limestone karst regions of Son La province in Northwestern Vietnam, is described and illustrated here. This new species resembles B. xenos in its suberect habit, subpeltate lamina, 4-tepaled staminate flowers, and 2-locular ovary. However, B. triquetra differs significantly from B. xenos in having triangular (vs. terete) cross section of petiole, entire (vs. slightly crenulate) staminate tepals, and zygomorphic (vs. actinomorphic) androecium with 18–24 (vs. 52–85) stamens. Notes on ecology and conservation status are preliminarily provided to the new species.

Source: Phytotaxa

DOI: 10.11646/phytotaxa.674.3.5

Authors: TRAN THI PHUONG ANH, NGUYEN THI THANH, BUI HONG QUANG, TRAN DUC BINH, TRINH XUAN THANH, ANH TUAN LE, KHANG SINH NGUYEN, CHE WEI LIN

Institutions: Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Viện Sinh thái và Tài nguyên sinh vật, Taiwan Forestry Research Institute

Language: English

Topic: Plant and Fungal Species Descriptions

Subfield: Molecular Biology

Field: Biochemistry, Genetics and Molecular Biology

Domain: Life Sciences

Open Access status: green

OpenAlex ID: W4404781392

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