但是银杏树和美国常见的树种不同，它是雌雄异株植物，也就是说银杏树有分雄性和雌性。
But unlike most tree species common in the us, the ginkgo is dioecious, meaning trees are male or female.
银杏是一种雌雄异株的植物，具有重要的经济和研究价值。
Ginkgo, a plant of dioecism, has important economic and research values.
例如在雌雄异株物种中的雌性植物和雄性植物，气生的和被水浸没的叶片，生活史中的配子体与孢子体的交替，叶肉和维管束鞘叶绿体等。
Examples include male and female plants in dioecious species aerial and submerged leaves alternation of gametophyte and sporophyte stages of a life cycle and mesophyll and bundle-sheath chloroplasts.
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