The development of xylem is of mesarch.Stomata are monocyclic type.

叶脉、叶柄、上胚轴维管束均型。

The regeneration systems of “kuai shi” plum were established, using epicotyl and hypotyl as exophyte.

快上、下胚轴植体，建立了三华胚轴再生体系，获得了再生植株。