Populus

Populus is a genus of deciduous trees, including poplars, aspens, and cottonwoods. Its fast growth, genetic resources, and relatively small genome make it a model for studying woody plants.

Poplar: A common name for several tree species in the genus Populus. Poplars are the familiar trees most often associated with this genus.
Secondary growth: The increase in stem and root thickness produced by lateral meristems. Populus provides experimental material for studying how tree stems thicken.
Short rotation coppice: A forestry system that repeatedly harvests rapidly regrowing tree shoots on short cycles. Fast regrowth makes Populus suitable for short-cycle biomass plantations.
Angiosperm: A flowering plant whose seeds develop enclosed within an ovary. Populus belongs to the flowering plants, within the order Malpighiales.
Arabidopsis thaliana: A small flowering plant widely used as a genetic model. Arabidopsis is easier to grow, while Populus better represents perennial woody growth.
Aspen: A group of Populus species known for flattened leaf stalks and trembling leaves. Aspens show the genus's distinctive leaf movement and clonal growth.
Vascular cambium: A lateral meristem that produces secondary xylem and phloem. Cambial activity drives the annual production of wood in Populus stems.
Bioenergy: Energy produced from biological materials, including plant biomass. Populus biomass is studied as a renewable feedstock for heat, fuels, and electricity.
Salicaceae: A family of flowering plants that includes willows and poplars. This family places Populus alongside its close relatives, the willows.
Eucalyptus: A genus of evergreen trees native mainly to Australia and nearby regions. Eucalyptus is another major forestry genus, with distinct biology and research resources.

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