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petiole[?]=___ flat or petiole = ◯ round :
blade base=___ flat, ▴▴▴▴ teeth=very small (>5/cm) (>12/in), tree very tall thin🇪🇺 ◼︎ European black poplar Populus nigra blade base=___ flat, ▲▲ teeth=medium (2–3/cm) (5–8/in)eastern cottonwood Populus deltoides
blade base=∪ rounded (U-shaped), ▲▲ teeth=few+large, leaf longer than widebigtooth aspen Populus grandidentata blade base=∪ rounded (U-shaped), ▴▴▴▴ teeth=small, leaf about as long as widequaking aspen Populus tremuloides
blade tip=∩ rounded, base=♤ heart-shaped, sometimes ⫴ hairy♒︎ swamp cottonwood Populus heterophylla
blade tip=∧ pointed, base=♤ heart-shaped, undersurface=⫴ hairybalm of Gilead Populus × jackii blade tip=∧ pointed, base=∪ rounded (U-shaped), buds=resinous+fragrantbalsam poplar Populus balsamifera or◼︎ black cottonwood Populus trichocarpa
Part of willow family Salicaceae.
🗺 Map by county (🇺🇸 USA-48) (color key).
Uses by native peoples(Ethnobotany database)
Populus hosts caterpillars of 367 speciesof butterflies and moths, in some areas. This plant is also known to be a host for (in areas where invasive) 🐝︎ spotted lanternfly (SLF) Lycorma delicatula.
Often grows in clonal colonies [1] — look around for other stems!
🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Minnesota Wildflowers Flora of North America USDA PLANTS db USFS Wikipedia
🏠︎ 🌳︎ broadleaves, ╟ alternate, 🍂︎ simple non-lobed ▲▲ toothed multiple
🌷︎ American tulip tree Liriodendron tulipifera jack pine Pinus banksiana ◼︎ white poplar Populus alba balsam poplar Populus balsamifera eastern cottonwood Populus deltoides bigtooth aspen Populus grandidentata ♒︎ swamp cottonwood Populus heterophylla balm of Gilead Populus × jackii 🇪🇺 ◼︎ European black poplar Populus nigra quaking aspen Populus tremuloides ◼︎ black cottonwood Populus trichocarpa
🐝︎ spotted lanternfly (SLF) Lycorma delicatula