从商品来源看,砂仁的正品有三个品种,即:阳春砂仁、海南壳砂仁和绿壳砂仁。它们的外形大同小异,果实长约2厘米,卵圆形;果皮淡棕至深棕色,均密布短刺状突起。种子团分三瓣。以气芳香、味辛凉微苦、气味浓烈者为佳。本文并列出四种混淆品,举其特征,列表比较。 From the perspective of commodity sources, there are three varieties of authentic Amomum villosum, namely: Amomum villosum, Hainan shell amomum, and Green shell amomum. Their appearance is similar, the fruit is about 2 centimeters long, oval; the skin pale brown to dark brown, are densely covered with short stab-like protrusions. The seed cluster is divided into three. It is better to have aroma, cool and bitter taste and strong smell. This article also lists four types of confusion, its characteristics, and list comparisons.