今年三月中旬至四月初我们夫济南市南郊王乐平墓采集时,发现一株具两性花的毛白杨(Populus tomen-tosa Carr.)树,树高7米,胸高直径30公分,树龄约在廿年以上,生长旺盛,花序很多,其生境为山脚下耕地间空旷处,孤树独生,当三月中旬第一次采集时,采到大量雄葇荑花序,四月初第二次采集时,雄花序早已完全落掉了,树上只剩下数十个继续发育的葇荑花序,雌蕊已形成幼嫩的果实,鲜绿色,解剖观察,内含种子, At mid-March and early April this year, when we collected the tombs of Wang Leping in the southern suburb of Jinan, we found a Populus tomentosa-carring tree with a height of 7 meters and a height of 30 cm in chest height, For more than 20 years, it has a strong growth and many inflorescences. Its habitat is open space at the foot of cultivated land at the foot of a mountain. When the first solitary tree was collected in mid-March, a large number of male inflorescences were collected and collected at the second acquisition in early April , The male inflorescence has long been completely lost, leaving only dozens of trees continue to develop on the inflorescence, pistil has formed a young fruit, bright green, anatomical observation, containing seeds,