Yohimbinum. Johimbin. A crystalline alkaloid obtained from the bark of the Yohimbeha, or Yumbehoa tree, of the Cameroons. N. O. Rubiaceae (?). C23H32N2O4, or ...

YOHIMBINUM Coryanthe Yohimbe Excites sexual organs and acts on central nervous system and respiratory center. An aphrodisiac, used in physiological doses, but ...