phellogen

/fel-uh-juhn/US // ˈfɛl ə dʒən //UK // (ˈfɛlədʒən) //

贝壳原,小檗树,贝壳类,贝壳类植物

Definitions

n.名词 noun

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