plant family - a family of plants

order Polemoniales, Polemoniales - Polemoniaceae; Solanaceae; Boraginaceae; Labiatae; Lentibulariaceae; Pedaliaceae; in some classifications includes the order Scrophulariales

genus Martynia - in some classifications includes the unicorn plants

genus Sesamum, Sesamum - tropical African and Indian herbs

genus Proboscidea, Proboscidea - in some classifications included in the genus Martynia and hence the two taxonomic names for some of the unicorn plants