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FOC | Family List | FOC Vol. 24 | Zingiberaceae | Alpinia

29. Alpinia nanchuanensis Z. Y. Zhu, Bull. Sichuan School Chin. Mat. Med. 8: 16. 1986.

南川山姜 nan chuan shan jiang

Pseudostems 55--65 cm. Leaf sheath pubescent; ligule obscurely 2-lobed, 1--1.5 mm; petiole absent to 2 mm; leaf blade ovate-lanceolate or lanceolate, (6--)10--18 × (1.4--)2--3 cm, pubescent especially adaxially, base subrounded or broadly cuneate, margin ciliate, apex long caudate. Racemes 4--5 cm; rachis ca. 4 mm thick; involucral bracts oblong, sparsely pubescent or glabrescent, early deciduous, apex narrowly caudate. Flowers white. Calyx tubular, 8--10 mm, pubescent, apex 3-lobed, lobes rounded. Corolla tube 1.1--1.4 cm, pubescent; lobes oblong, 8--10 mm, central one wider than lateral ones. Lateral staminodes linear, 4--5 mm. Labellum oblong-obovate or oblong, 0.8--1.6 cm, margin crisped, apex 2-lobed or 2-cleft. Stamen 1--1.3 cm. Ovary oblong, ca. 2 mm, glabrous. Fr. May.

* Scrub; ca. 800 m. SE Sichuan (Nanchuan Xian).


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