 |
| Raphiocarpus hapii K. S. Nguyen, C. W. Lin & Aver., in Nguyen, Lin, Averyanov, Ban, Giang et Bui. 2026. |
Abstract
We describe and illustrate a new species, Raphiocarpus hapii, recently discovered in central Vietnam. It resembles R. sinovietnamicus but differs in dwarf habit, 20–30 (rarely 50) cm tall, spreading hirsute stems and leaves, shorter corolla, 1.5–1.8 cm long, with a tubular corolla tube, which is pale greyish-pink to dusky greyish-purple, tinged with maroon externally, and white with maroon to crimson internally, having scattered pilose hairs on the lower corolla mouth, and in shorter capsule, 1.8–2.5 cm. According to the IUCN criteria (2024), the new species may tentatively be assessed as Data Deficient (DD).
Keywords: biodiversity, Central Highlands, Flora of Vietnam, plant diversity, plant endemism, plant taxonomy
Raphiocarpus hapii K. S. Nguyen, C. W. Lin et Aver., sp. nov.
Diagnosis. The new species differs from the morphologically closest Raphiocarpus sinovietnamicus by the combination of the following morphological characters: stem seldom exceeding 30 cm in height; stems and leaves hispid-hirsute; leaves have 7 pairs of lateral veins; inflorescence bears 2–7 flowers; corolla tubular, 1.5–1.8 cm long with pilose indumentum on the lower part of the mouth; and capsule 1.8–2.5 cm long.
Khang S. Nguyen, Che W. Lin, Leonid V. Averyanov, Ninh K. Ban, Vu H. Giang, Van T. Bui. 2026. Raphiocarpus hapii (Gesneriaceae), A New Species from central Vietnam. Turczaninowia. 29(1); 50–56. DOI: 10.14258/turczaninowia.29.1.8 [2026-03-12]
