Aristolochia debilis   Frail Birthwort   Family Aristolochiaceae
HABITAT: Found growing wild along roadsides and edges of fields.
DESCRIPTION: Perennial vine like herb 1.5 m in height. Root; irregularly cylindrical, yellowish black, emits a characteristic fragrance. Stem; lower part erect, upper partclimbing, dull purple. Leaves; alternate, ovate-lanceolate or ovate, apexes  narrow and obtuse, bases cordate, both sides forming a drooping-ear shapes, margins intact, with long petioles. Blooms; in summer, single axillary flowers, purplish-green, resembling trumpets. Capsule; globose or oval.

PART USED : QING MU XIANG  Root
ENERGY: Warm. Cold.  FLAVOR: Acrid and bitter.., pungent
FUNCTIONS
1. Counteract toxic effects, heal swelling, bring down blood pressure.
2. Dispels flatus, stimulates energy circulation, tonifies the Stomach, relieves coughing.
INDICATIONS
1. Skin- Carbuncle, eczema.
2. Vomiting, abdominal pains.
3. Coughing, wheezing.  Sore throat.
4. Poisonous snake bites..
5. Hypertension.
PREPARATIONS  Decoction- Roots, stems and fruit 9-15 g (BDM). Dried root 3-9 g (Lu).
(BDM,Lu).

PART USED: MA DOU LING TENG  Aerial parts
ENERGY: Warm   FLAVOR: Acrid and bitter
FUNCTIONS
1. Promote flow of energy, benefit water, heal swelling.
INDICATIONS
1. Edema during pregnancy, swelling and pain in arthritis.
PREPARATIONS: Aerial parts 4-9 g (Lu).
(Lu).