Ratnaaulo / Nepal Persicaria
Polygonum nepalense
- Habit
- Herb
- Found in India
- Uttarakhand, Himachal Pradesh, Jammu & Kashmir & more
- Flowering
- September-February
How to identify Ratnaaulo
Identify Ratnaaulo by combining habit, leaf characters, flower or fruit details, location, and its family pattern. Do not rely on one feature alone.
- Look for a herb habit.
- Confirm leaf shape: Ovate (egg-shaped, broad at base).
- In season, compare flowering and fruiting time: September-February.
- In India, compare location records such as Uttarakhand, Himachal Pradesh, Jammu & Kashmir, Tamil Nadu and nearby regions.
- Confirm it sits within the Polygonaceae family pattern, then compare close relatives before deciding it is Ratnaaulo.
Plant Details
- Scientific name
- Polygonum nepalense
- Genus
- Polygonum
- Family
- Polygonaceae
- Habit
- Herb
- Habitat
- Evergreen and shola forests
- Habitat type
- Forest
- Distribution
- Tropical Africa, Afghanistan, Himalayas, India, China, Japan, Malesia
- Found in India
- Uttarakhand, Himachal Pradesh, Jammu & Kashmir, Tamil Nadu, Sikkim, Maharashtra, Assam, Meghalaya, West Bengal, Arunachal Pradesh, Kerala, Karnataka, Punjab, Rajasthan, Uttar Pradesh, Telangana, Andhra Pradesh, Goa, Ladakh, Gujarat, Madhya Pradesh, Nagaland, Manipur, Bihar, Delhi, Mizoram, Puducherry, Chhattisgarh, Odisha, Jharkhand, Chandigarh, Haryana, Andaman & Nicobar Islands
- Flowering & fruiting
- September-February
- Conservation status
- Not Evaluated (NE)
Leaf characters
- Leaf shape
- Ovate (egg-shaped, broad at base)recorded
Typical of the family
- Arrangement
- Alternate
Characters marked “recorded” are for Ratnaaulo 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
- Nepali
- रत्नाउलो Ratnaaulo, प्रिय घाँस Priya Ghaans, राउन्ने Raunne
About Ratnaaulo
Nepal Persicaria (Polygonum nepalense) is a herb in the Polygonaceae family. In India it has been recorded in Uttarakhand, Himachal Pradesh, Jammu & Kashmir and 30 other states. It grows in evergreen and shola forests. Flowering and fruiting run from September to February.
Polygonaceae
Buckwheat/Knotweed family
Ratnaaulo belongs to the Polygonaceae family.
The illustration represents the family — not necessarily this exact species.
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Common plant problems
If you are starting from symptoms instead of a diagnosis, use the plant disease symptom checker to narrow the cause before treating.
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