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Key to Malpighiaceae
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=40751
3 Larger leaf blades 10-16 cm long; petals densely sericeous on the outer (lower) surface; petals at least in part white or pink; plants lianas | |
3 Larger leaf blades 1.2.5 cm long; petals glabrous; petals (all of them) yellow to orange; plants herbs or subshrubs | |
8 Fruits schizocarps, breaking apart into samaras, nutlets (unwinged), or cocci. | |
12 Samaras with 1 elongate lateral wing and 2 small crests; larger leaf blades 4-10 cm long. | |
13 Leaf blades 1.1-1.6× as long as wide; stems with white lenticels; secondary veins of the leaf blades obscure (not impressed) | |
13 Leaf blades 1.8-3× as long as wide; stems with brown lenticels; secondary veins of the leaf blades apparent and impressed on the upper surface |