别名土羌活、山羌活、蝴蝶花。基源为姜科植物黄姜花Hedychium flavum Roxb的根茎。植物形态多年生高大草本植物。根状茎横走,块状,味辣如姜。叶长圆状披针形或披针形,全缘。穗状花序顶生,苞片覆瓦状排列,每苞片内有花2-3朵。花淡黄色,极芳香。蒴果球形。【采集加工】秋冬采挖,除去泥土,切片,晒干。 Alias ​​soil Notopterygium, mountain notopterygium, butterflies. The base is the rhizome of the ginger family Hedychium flavum Roxb. Plant morphology perennial tall tall herbs. Rhizome horizontal walk, block, spicy flavor such as ginger. Leaves oblong-lanceolate or lanceolate, entire. Spikes terminal, bracts imbricate arrangement, with 2-3 flowers per bracts. Light yellow, very aromatic. Capsule sphere. Collecting processing】 【autumn and winter digging, remove the soil, sliced, dried.