Rhizomes creeping. Pseudostems 20--40 cm. Leaves sessile except for 2 apical ones; ligule brownish, 1--5 cm, sparsely appressed villous; leaf blade obovate or oblong, 15--27 × 8--10 cm, adaxially glabrous, abaxially appressed yellow villous along midvein, base cuneate, apex acute. Spikes 8--14 × 4--6 cm; rachis appressed yellow villous; bracts rusty, ovate-lanceolate, 3--4.6 × 1.2--2 cm, membranous, appressed yellow villous, 3-flowered; bracteoles tubular, 2.7--3 cm, appressed yellow villous. Flowers white, slightly fragrant. Calyx brownish, 3.3--3.5 cm, slightly split on 1 side, appressed yellow villous. Corolla tube ca. 4 cm, glabrous; lobes linear, 2.5--3 cm × 3--4 mm. Lateral staminodes oblanceolate, ca. 2.3 cm × 7 mm. Labellum broadly ovate, ca. 2.2 × 1.9 cm, apically slightly 2-lobed or 2-cleft for ca. 1/2 its length. Filament white, equaling labellum; anther ca. 9 mm. Ovary ca. 5 mm, appressed yellow villous. Stigma ciliate. Fl. Feb.
Home