The wave of shared electric scooters that swept through cities several years ago helped Populus AI get its start. Now, surging demand for delivery — and the pressure it places on curb space — is ...

本研究针对杨树属（Populus）物种分类困难及进化关系不清的问题，开展了基于叶绿体基因组的比较分析与系统发育研究。研究人员通过对7个杨树类群的34个个体的叶绿体基因组进行组装、注释和比较分析，揭示了杨树属的单系性，并将其划分为四个类群。

Heteroblastic leaf development and seasonal heterophylly in some extant species of Populus result in diverse mature leaf forms during ontogeny of a single individual. Juvenile leaves of heteroblastic ...

DALLAS, Feb. 25, 2025 /PRNewswire/ -- Populus Financial Group, Inc. (Populus), through its ACE Community Fund, donated 900 new books to the students at Davis Elementary School as part of their Populus ...