phellogen / ˈfɛl ə dʒən /

⚽高中词汇贝壳原小檗树贝壳类贝壳类植物

phellogen 的定义

n. 名词 noun

Botany.

  1. cork cambium, a layer of tissue or secondary meristem external to the true cambium, giving rise to cork tissue.