Hedychium densiflorum Wall.

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.

Pseudostems 60--90 cm. Ligule 5--10 mm, membranous; petiole absent to 1.5 cm; leaf blade lanceolate, 15--35 × 3--6 cm, glabrous, base attenuate, apex narrowly caudate. Spikes 10--20 × 3--3.5 cm, dense; bracts oblong, rolled tightly around calyx, 1.3--1.5 cm, distal ones 1-flowered. Flowers bright yellow. Calyx longer than bracts, apex obtuse, 3-toothed. Corolla tube 1.3--1.5 cm; lobes linear, 8--11 mm. Lateral staminodes obliquely lanceolate, ca. 8 mm. Labellum suborbicular, ca. 1 cm, apex 2-cleft. Filament ca. 1 cm; anther 5--6 mm. Fl. Jul--Aug.

Himalaya (Nepal to Bhutan), Assam.

E Xizang (Bomi Xian) [Bhutan, India, Nepal, Sikkim].

Xizang, Yunnan [Sikkim].

1800-2800 m

Forests; 2100--2300 m.

Rocky hills; 1900--2800 m.