பொருள் : North American poplar with large rounded scalloped leaves and brownish bark and wood.
ஒத்த சொற்கள் : downy poplar, populus heterophylla, swamp cottonwood, swamp poplar
பொருள் : Cottonwood of western North America with dark green leaves shining above and rusty or silvery beneath.
ஒத்த சொற்கள் : populus trichocarpa, western balsam poplar