with petiole = short (≤½ as long as blade)
blade=narrow or soft texture
veinlets=not meshed
    long (>½ as long as blade)
blade=wide and firm texture
veinlets=meshed
aspen/​cottonwood/​poplar  genus Populus

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plant terminology

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🏠︎ 🌳︎ broadleaves, ╟ alternate, 🍂︎ simple non-lobed ▲▲ toothed