杓兰（Cypripedium）为多年生草本植物，地上部茎叶可入药，具祛风、解毒、活血之功效。分布于北温带至喜马拉雅地区，中国分布有23种。在英国，杓兰因其稀世之美被称为“女神之花”。
相比杓兰，兜兰叶片具有高的构建成本和长的偿还时间。
The leaf of Paphiopedilum had higher leaf construction cost and longer repayment time than that of Cypripedium.
杓兰的叶片性状是对水肥条件较好，但季节波动较大生境的适应。
The leaf traits of Cypripedium were the adaptation to the environment rich in water and nutrients but easy to change with seasons.
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