tuber pinellia的用法和样例：
例句
- Pinellia tuber dry water for the somewhat lengthy oval, and some more pointed at the bottom.
水半夏干燥块茎为略长的卵圆形，有的底部较尖。 - Because of morphological changes and adulterants sold of Pinellia ternata in the market, it is becoming more and more difficult to identify various types of Pinellia ternata.
摘要随着市场上半夏混淆品的盛行及半夏本身形态学的某些改变，使传统的形态学鉴别方法难度增加，必须结合其他方法才能准确鉴定。
