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

38. Zingiber longyanjiang Z. Y. Zhu, Bull. Sichuan School Chin. Mat. Med. 30(2): 28. 1992.

龙眼姜 long yan jiang

Rhizomes yellowish white inside, tuberous. Pseudostems 1--1.8 m, base purplish brown. Ligule 2-lobed, 4--11 mm; petiole purple or yellowish green, 4--10 mm, white villous; leaf blade oblong or oblong-lanceolate, 25--40 × 5--11 cm, adaxially subglabrous, abaxially appressed villous and glandular spotted, base broadly cuneate, apex acuminate. Inflorescences arising from rhizomes, obovoid or narrowly ovoid, 3--5 × 2--4 cm; peduncle 1--3 cm; bracts greenish white or yellowish white, ovate or oblong, 2.5--3 × 2--3 cm, apex rounded, inner bracts oblanceolate or lanceolate, 2.5--3.8 × 0.8--1.5 cm, abaxially slightly villous, apex emarginate or acute. Calyx white, 8--10 mm, white villous, apex truncate or undulate. Corolla tube yellowish white, 3--4.2 cm, white villous; central lobe lanceolate, 2.5--2.9 cm × 6--9 mm; lateral lobes narrower than central one, apex 2-cleft. Labellum pale purple with yellowish white base, ca. 2.5 cm, throat glabrous; central lobe ligulelike or narrowly oblong, 1.3--1.6 cm; lateral lobes oblong, 6--8 × 3--5 mm, apex 2-cleft. Anther yellowish white, ca. 1.1 cm; connective appendage purple at apex, ca. 1.5 cm. Ovary densely villous. Capsule purple, oblong, 3--4 × 1.5--2 cm, obtusely 3-angled, slightly villous. Seeds purplish brown, ellipsoid or ovoid. Fl. Aug--Sep, fr. Oct--Nov.

* 600--3200 m. C Sichuan (Emei Shan).



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