Persicaria perfoliata (PROSEA)
Persicaria perfoliata (L.) H. Gross
- Family: Polygonaceae
- Polygonum perfoliatum L.
- Indonesia: wedusan (Java), gam(b)et gunung (West Java)
- Philippines: kangigit (Igorot), ligu (Ifugao)
- Thailand: somkhomkhiang
- Vietnam: rau má ngọ, thồm lồm gai.
From India to Japan, including South-East Asia.
The sour young shoots and fruits are eaten mixed with other vegetables. In Vietnamese local medicine the pounded fresh leaves are used to cover snake-bites and boils.
- Perennial, much branched, climbing to ascending herb, 1-5 m tall, with spiny stem.
- Leaf-blade deltoid, 2-8 cm × 2-8 cm, beneath with small prickles on the nerves; petiole 3-13 cm long, spiny; stipules foliaceous, orbicular, 3-4 cm in diameter, amplexicaul.
- Inflorescence a terminal spike or raceme, 2-3 cm long.
- Fruit baccate, subglobose, 3 mm in diameter, shiny blue-black.
In thickets and hedges, in humid or waterlogged localities, watersides, from 450-1500 m altitude.