Billolivia kyi Luu & G. Tran (Gesneriaceae) is described as a new species from the Bidoup-Nui Ba National Park, Vietnam. It is distinct from its closest morphological match B. poilanei in having long petioles, coarsely dentate leaf margins, sparsely pubescent pedicels, ovate calyx lobes not persistent on fruits, and large fruits with persistent connate part of the calyx. Billolivia kyi differs from all other known Billolivia species in having dark red to purple flowers with a yellow patch on the corolla throat, and adaxially sparsely but abaxially densely pubescent laminas.
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4 September 2015
Billolivia kyi (Gesneriaceae), a New Species from Vietnam
Hong Truong Luu,
Huu Nhan Pham,
Gioi Tran,
Thi Thuy Dung Ngo,
Nhat Lam Dinh,
That Minh Ton
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Annales Botanici Fennici
Vol. 52 • No. 5–6
December 2015
Vol. 52 • No. 5–6
December 2015