Leaf blade with both surfaces scaly, scales entire, or lobed.
叶片具两面有鳞的，全缘的鳞片，或浅裂的。
Properties: color lobed or needle crystal, hexagonal columnar crystal obtained after distillation, easy deliquescence.
理化性质：色叶状或针状结晶，升华后得六角形柱状结晶，易潮解。
Flower white or pink, tepals 20-40 mm long, anthers 6, style longer than the stamens, curved sideways, stigma broadly 3-lobed.
花白色或粉红色，花被片长20 - 40毫米，花药6，风格比雄蕊长，侧身弯曲，柱头大致3裂。
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