Aristolochia mollissima.   綿 毛 馬 兜 鈴  Mián máo mǎ dōu líng   Family: Aristolochiaceae  
PART USED: Whole plant
Nature: Neutral    FLAVOR: Bitter, pungent
FUNCTIONS
GROUP: Diuretic
1. Opens up the channels and associated passageways.[1] Relieve pain.[1] Reduces swelling.[1]
2 . Relieves flatulence.[1] Moisturises the body system.[1]
INDICATIONS
1. Rheumatic pain, asthritis pain. Rheumatoid aches and pains.[1]
PREPARATIONS:  Decoction  Dried whole plant 10-20 g.[2] 30 g.[1]
Or plant may be steeped in wine before being taken internally.
TGA(Australia) regulated due to presence of aristolochic acid.
Contains Aristolochic acid- which trials have been shown to be a carcinogen. Recommended to use Stephania tetrandra or Inula helenium. Info on this.
Because of containing aristolochic acid, Aristolochia fangchi herb- Guang fang ji was no longer used in pharmaceutical production and ever since Stephania tetranda-Han Fang Ji becomes its main substitute. This notice was issued by China’s State Food and Drug Administration (SFDA) on September 30, 2004.

HABITAT: Found growing wild in uplands and bamboo thickets.
DESCRIPTION: Perennial crawling herb. Whole plant densely pubescent, white downy hairs. Stem: climbing. Leaves: alternate, ovate-rounded, apexes obtuse-rounded or slightly acute, bases deeply cordate, margins intact, with petioles. Flowers: in summer, single yellow flowers appear from leaf axils. Fruit: a capsule, cracking open, when mature, seeds flat.
References
Inner Path can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Research

Aristolochicacid.pdf