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

1. Boesenbergia longiflora (Wallich) Kuntze, Revis. Gen. Pl. 2: 685. 1891.

心叶凹唇姜 xin ye ao chun jiang

Gastrochilus longiflora Wallich, Pl. Asiat. Rar. 1: 22. 1829; Boesenbergia fallax Loesener; Curcumorpha longiflora (Wallich) A. S. Rao & D. M. Verma; Kaempferia fallax Lingelsheim & Borza (1914), not Gagnepain (1903).

Plants to 50--60 cm tall. Roots robust. Leaf blade green, ovate, 8--12 × 5--9 cm, base cordate, apex cuspidate. Inflorescences on separate shoots arising from rhizomes; bracts ovate, 2--4 cm, villous, apex acuminate. Flowers 3--6, bluish purple. Calyx 1--2 cm. Corolla to 4 cm; lobes lanceolate, 2.2--2.5 cm × 5--6 mm. Lateral staminodes ovate, equaling corolla lobes. Labellum obovate-cuneate, ca. 3 × 1.8--2 cm. Filament very short; anther ca. 1 cm; connective broad, appendage linear. Stigma thickened. 2 n = 36*.

Forest floors in mountains; 1100--1900 m. C and SW Yunnan (Lufeng Xian, Menglian Dai-Lahu-Va Zu Zizhixian) [India, Laos, Myanmar, Thailand].


 

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