Anacardium

Anacardium, the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas.

The name Anacardium, originally from the Greek, actually refers to the nut, core or heart of the fruit, which is outwardly located (ana means “upwards” and -cardium means “heart”).

As of July 2020, the Plants of the World Online accepts 20 species:[2]

Anacardium amapaense J.D.Mitch.
Anacardium amilcarianum Machado
Anacardium brasiliense Barb.Rodr.
Anacardium caracolii Mutis ex Alba
Anacardium corymbosum Barb.Rodr.
Anacardium curatellifolium A.St.-Hil.
Anacardium excelsum L. — Wild cashew
Anacardium fruticosum J.Mitch. & S.A.Mori
Anacardium giganteum (Bertero & Balb. ex Kunth) Skeels — Caja acu, also known as wild cashew, used medicinally
Anacardium humile Hance ex Engl.
Anacardium kuhlmannianum Machado
Anacardium microsepalum