Being early ripening, low chill plums grown in Indian sub-tropics have the potential for production of quality fruits and plum growing in the plains can be made successful venture by evolving improved varieties. Bearing habit, flower bud development and flower morphology, time and duration of flowering, anthesis, dehiscence, pollen studies (pollen viability and germinabitily) were studied in six varieties. Alu Bokhara Amritsari produced flowers on spurs. | Studies on floral morphology of subtropical plum Prunus salicina Lindl.