The old vine of Sargentodoxa cuneata (Oliv.) Rehd. et Wils., family Lardizabaiaceae.
terete, somewhat curved, unequal in length, 1-3 cm in diameter, with grey-brown
surface; cork often exfoliating to reveal dull red cortex. Prepared as
olique elliptical pieces: the bark of the section red-brown, with 6 radial,
symmetrical and square phloem inserting into the xylem, which is marked
by radial bundles; ducts white, pores noticeable; rays red-brown, in altemating
arrangement with the ducts. Bitter in taste, mild in nature, and attributive
to large intestine channel.
Clear away heat and toxic materials, relieve carbuncle and disperse lumps:
For appendicitis and dysentery, used together with Flos Lonicerae, Radix
2. Promote blood circulation and remove blood stasis, expel wind and dredge
channels: For dysmenorrhea and menoxenia due to blood stasis, trauma,
Its decoction possesses bacteriostatic effect on Staphylococcus aureus.