9. Hedychium sinoaureum Stapf, Bull. Misc. Inform. Kew. 1925: 432. 1925. 小花姜花 xiao hua jiang hua 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.Rocky hills; 1900--2800 m. Xizang, Yunnan [Sikkim].【引自:Flora of China】
茎高60-90厘米。叶片披针形,长15-35厘米,宽3-6厘米,顶端具尾状细尖头,基部渐狭,两面均无毛;无柄至有长1.5厘米的柄;叶舌膜质,长0.5-1厘米。穗状花序密生多花,长10-20厘米,宽3-3.5厘米;苞片长圆形,包卷住萼管,长1.3-1.5厘米,内生单花,花小,黄色;萼管较苞片略长,顶端具钝3齿;花冠管长1.3-1.5厘米;花冠裂片线形,长8-11毫米;侧生退化雄蕊斜披针形,长8毫米;唇瓣近圆形,长约1厘米,2裂,基部具瓣柄;花丝长约1厘米,花药长5-6毫米。花期:7-8月。 【引自:中国植物志】