|Etymology||Genus||Referring to the likeness of the leaves to a peach tree|
|Species||Of Chinese origins|
|Synonyms||Polygonum chinense L.|
|Common Names||Chinese knotweed, Creeping Smartweed|
|Native Distribution||China, Indian Subcontinent, Indochina, Malesia|
Persicaria chinensis is a creeping herb that is sometimes found in open wastelands or drains. The alternate branching with leaves appear in a zig-zag fashion. The leaves have a cordite or truncated base and minutely crenate margins. The mid-veins and petiole are commonly reddish, and the leaf surface have a dark spot near the centre of the lamina.
There are a few varieties of this species, and the one found in Singapore is Persicaria chinensis var. chinensis. It is characterised by leaf blades which are ovate or narrowly ovate (eFloras, 2020).
A clump growing up from a drain along Upper Thomson Road (2020).
Branch growing in a zig-zag form.
Leaf with red mid-vein and a light smudge at the centre.
eFloras (2020) Polygonum chinense Linnaeus. Flora of China. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge. http://www.efloras.org/. Accessed on 5-Mar-2020.