perisperm

名词 n.

英文释义

名词 n.
  1. The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms. countable,uncountable

词形变化

perisperms plural

词源

From French périsperme. See peri- and sperm.
0 次浏览 数据来源: Wiktionary