Pseudostems 1--1.2 m. Ligule ca. 1 cm, apex obtuse; petiole absent to 1 cm; leaf blade oblong-lanceolate, 12--35 × 3--10 cm, glabrous, base attenuate, apex caudate. Spikes 10--18 × ca. 3 cm, dense; bracts oblong, ca. 2 cm, 1(or 2)-flowered. Flowers bright yellow, small. Calyx ca. 2.5 cm. Corolla tube 2.5--3 cm; lobes reflexed, linear, ca. 1.5 cm. Lateral staminodes lanceolate, ca. 2 cm. Labellum cuneate, ca. 1.6 cm × 6 mm, apex deeply 2-cleft. Stamen longer than labellum; anther ca. 8 mm. Fl. Jul.
Can be grown by seedlings. Seeds needs soaking.
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