spine of Gleditsia sinensis Lam., family Leguminosae.
Spine single or branched, 5-10 cm long, apex sharp, base flat-rounded,
0.8-1.2 cm in diameter, surface purple-brown. Hard in texture. Fracture
surface yellow-white, pith loose, brown. Acrid in taste, warm in nature,
and attributive to liver and stomach channels.
Relieve carbuncle and drain pus: For the early stage of carbuncle or carbuncle
with unruptured abscess.
2. Expel wind. and kill parasites: For tinea infection and leprosy.