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Key to Myrcia
Myrtaceae
Myrcia
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=40804
1 Inflorescence and hypanthium tomentulose; flowers in sessile clusters at ends of the panicle branches; young stems 2-winged; midvein of leaf flush with the blade's upper surface
1 Inflorescence and hypanthium glabrous; flowers pedicellate; young stems not winged; midvein of leaf obviously raised on the leaf's upper surface