pollen tetrad是什么意思

网络释义

1)pollen tetrad,花粉四分体2)pollen tetred,四分花粉3)tetragonal tetrad,四边形四分体;四边形四合花粉4)Tetrahedral tetrads,四合体花粉5)tetrad,四合花粉6)monad,单分体，单花粉

All of them are arranged in tetrahedral tetrad and the shape of tetrad is orbicular triangle and adjoin tightly.

杜鹃花属花粉均为四合花粉,呈正四面体排列。