Also Known As: Fo-ti, Chinese Knotweed, Fallopia multiflora

Fallopia multiflora (Chinese Knotweed; Chinese: 何首乌; he shou wu) is a species of Fallopia native to central and southern China.

It is also known as polygonum multiflorum, and is predominantly referred to as such in Pubmed.

It is a herbaceous perennial vine growing to 2–4 m tall from a woody tuber. The leaves are 3–7 cm long and 2–5 cm broad, broad arrowhead-shaped, with an entire margin. The flowers are 6–7 mm diameter, white or greenish-white, produced on short, dense panicles up to 10–20 cm long in summer to mid autumn. The fruit is an achene 2.5–3 mm long.

It is also commonly used in chinese medicine acting as a MAOI for dimethyltryptamine (DMT) to other plants such as Mucuna, Banisteriopsis caapi (Which is often used in a tea brew called Ayahuasca), and Psychotria viridis.

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