Kalmar "Tamarindus" tana nufin rukunin tsire-tsire waɗanda ke cikin dangin Fabaceae (Leguminosae). Mafi sanannun nau'in wannan nau'in ita ce itacen tamarind (Tamarindus indica), wanda asalinsa ne a Afirka masu zafi amma yanzu ana shuka shi a wasu sassan duniya don 'ya'yan itacen da ake ci da kuma matsayin kayan ado. Kalmar “genus” tana nufin rabe-raben harajin da ake amfani da shi a ilimin halitta don haɗa halittun da ke da wasu halaye, yayin da “Tamarindus” shine sunan kimiyya na jinsin halitta.