Same as Yaupon.
The cassine, or South Sea tea, an evergreen plant of the genus ilex.
yÃ¤'pon, n. a bushy evergreen shrub of the holly family, native to the S.E. coasts of the U.S., its leaves yielding the medicinal 'black drink' of the Indians.--Also YAU'PON, YU'PON. [Most prob. Amer. Ind.]