cotyledon
US /ˌkɑː.t̬əˈliː.dən/
UK /ˌkɒt.ɪˈliː.dən/
名词
子叶
an embryonic leaf in seed-bearing plants, one or more of which are the first leaves to appear from a germinating seed
示例:
•
The pea plant has two cotyledons.
豌豆植物有两个子叶。
•
Monocot plants have one cotyledon, while dicot plants have two.
单子叶植物有一个子叶，而双子叶植物有两个。