with leaf margins (edge) that are:

lobed
 
non-lobed
:

Non-lobed


▲▲ toothed
 
∩∩ rounded=crenate
(visible within arm's length)
 
___ smooth
:

∩∩ Rounded=crenate (visible within arm's length)

leaf base=♤ heart-shaped or round, tip=∩ round, veins=✋︎ palmate, fruit looks like mini- 🌭︎ sausages   >   katsura Cercidiphyllum japonicum

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plant terminology