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Pithecellobium microphyllum (Humb. & Bonpl. ex Willd.) Benth.
Pithecellobium paniculatum Pittier
Pithecellobium pulchellum Pittier
Pithecellobium saxosum Standl. & Steyerm.
Pithecellobium seleri Harms
Spiroloba unguis Raf.
Zygia guadalupensis (Pers.) A.Heller
Zygia unguis-cati (L.) Sudw.
Pithecellobium unguis-cati is a species of plant in the family Fabaceae. It ranges from Mexico through Central America and the Caribbean to Colombia, Venezuela, and Florida. It is known by many synonyms.
The IUCN Red List lists a synonym, Pithecellobium saxosum, as endangered, with a distribution in Guatemala and Honduras.