(n) spiny trees, shrubs, or perennial herbs, including the genera Caesalpinia, Cassia, Ceratonia, Bauhinia; commonly included in the family Leguminosae, Syn. family Caesalpiniaceae
[すおう, suou] (n) (1) (uk) sappanwood (Caesalpinia sappan); (2) sappanwood dye (red in colour) (color); (3) layered colour (light brown on the front, dark red beneath)