1.Through preliminary study, there found a residuary small true fruit within the core cavity of the pseudocarp of some cultivars of Ya li,which is resulted from the duplicata phenomenon.

• 研究认为 ,有的品系在果心腔内残留的一小真果是联胎现象造成的结果 ,对此尚未见有关植物胚胎学方面的报道。