幼苗发育过程中对外部形态的观测发现，本文所研究的百子莲属不同亚种及品种的幼苗为子叶出土类型。
The observation to exterior morphology in the seedling growth process discovered that the agapanthus is cotyledon excavated type.
结果表明：大多数热带树木幼苗萌发方式为子叶出土、子叶叶状对生；
The results of different tree species at the same stage indicated that most of the tropical seedlings are epigeal, leafy and opposite;
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