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New Record of Alpiniapolyantha D. Fang in the Flora of VietnamAbstract: Alpinia Roxb. is the largest genus in the Zingiberaceae and comprises ca. 230 species across tropical and subtropical Asia. There are 31 species of Alpinia in Vietnam. In this paper, we reported Alpinia polyantha D.Fang in Vietnam. It is a new record for flora of Vietnam. Voucher specimens were collected in Nghệ An province (Kỳ Sơn, Con Cuông, Quế Phong districts) and Quảng Ngãi province (Nghia Hanh), deposited at the Herbarium of the Biology Vinh University (UN), VNM herbarium of Insitute of Tropical Biology and herbarium of Vietnam Museum National (VNMN). Riềng nhiều hoa (Alpinia polyantha D. Fang) Pseudostems to 1.5-4 m. Leaf blade lanceolate or oblong, ca. 62-100 X 12-25 cm. Labellum suborbicular, ca. 1.6-2.3 X 1.6-2.2 cm, midvein yellowish, with a few purple lines on both sides near base, apex acute, 2-toothed. Stamen ca. 1.8-2.2 cm; anther 8-12 mm; connective appendage tongueshaped, ca. 1.8-2 mm. Ovary globose, ca. 3 mm, densely hirsute. Ripe fruit capsule globose, ca. 1.2 X 1.5 cm, red, hairy, apex with persistent calyx. Keywords: Alpiniapolyantha, Zingiberaceae, Nghệ An, Quảng Ngãi. Lê Thị Hương Trần Thế Bách Nguyễn Quốc Bình Lý Ngọc Sâm (T?p chí Khoa h?c ÐHQGHN: Khoa h?c T? nhiên và Công ngh?, T?p 31, S? 4S (2015) 154-157)
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