If your specimen has stem/leaf arrangement:and the leaves:then you have:
╫ opposite taper at both ends, and
pass the dogwood leaf test
lookalike flowering dogwood  Cornus florida.
are ♤ heart-shaped with a ∪ rounded-base lookalike northern or hardy catalpa  Catalpa speciosa.
╟ alternate are ♤ heart-shaped except for a __ flat-base, and
stem interior=​cham­bered with periodic diaphragms like bamboo
lookalike Japanese knotweed  Fallopia japonica.
are ♤ heart-shaped with a ∪ rounded-base, and
stems are woody
this plant, please continue below …

Verify with 🔍︎ images.

Learn more about eastern redbud Cercis canadensis

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Missouri Botanical Garden Missouri Plants NRCS PLANTS db Silvics USFS Wikipedia