Common Marsh Buckwheat
Polygonum glabrum
Also known as Denseflower Knotweed
- Habit
- Herb
- Found in India
- Uttarakhand, Himachal Pradesh, Tamil Nadu & more
- Flowering
- August-April
Plant Details
- Scientific name
- Polygonum glabrum
- Genus
- Polygonum
- Family
- Polygonaceae
- Habit
- Herb
- Distribution
- Cosmopolitan
- Found in India
- Uttarakhand, Himachal Pradesh, Tamil Nadu, Meghalaya, Arunachal Pradesh, Assam, West Bengal, Maharashtra, Sikkim, Kerala, Karnataka, Jammu & Kashmir, Nagaland, Manipur, Rajasthan, Punjab, Mizoram, Ladakh, Jharkhand, Chhattisgarh, Delhi, Uttar Pradesh, Bihar, Gujarat, Madhya Pradesh, Telangana, Andaman & Nicobar Islands, Haryana, Tripura
- Flowering & fruiting
- August-April
- Conservation status
- Least Concern (LC)
Leaf characters
- Leaf shape
- Lanceolate (long, narrow, tapering to a point)recorded
Typical of the family
- Arrangement
- Alternate
Characters marked “recorded” are for Common Marsh Buckwheat itself; the rest are typical of the Polygonaceae family.
Flower & fruit characters
- Flower symmetry
- Actinomorphic (radially symmetrical)
- Inflorescence
- Spike
- Fruit
- Achene
Typical of the Polygonaceae family — flowering plants only; individual species can differ.
Local Names
- Bengali
- পানি মরিচ
About Common Marsh Buckwheat
A member of the Polygonaceae family, Common Marsh Buckwheat (Polygonum glabrum) is a herb. In India it has been recorded in Uttarakhand, Himachal Pradesh, Tamil Nadu and 26 other states. Flowering and fruiting run from August to April.

Polygonaceae
Buckwheat/Knotweed family
Common Marsh Buckwheat belongs to the Polygonaceae family.
The illustration represents the family — not necessarily this exact species.
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