✿Onagraceae · Ludwigia
Ban Long / Primrose Willow
Ludwigia octovalvis
UndershrubMedicinal
- Habit
- Undershrub
- Found in India
- Karnataka, West Bengal, Madhya Pradesh & more
- Flowering
- Throughout the year
Plant Details
- Scientific name
- Ludwigia octovalvis
- Genus
- Ludwigia
- Family
- Onagraceae
- Habit
- Undershrub
- Distribution
- Tropics of the World
- Found in India
- Karnataka, West Bengal, Madhya Pradesh, Assam, Gujarat, Rajasthan, Tamil Nadu, Andaman & Nicobar Islands, Andhra Pradesh, Arunachal Pradesh, Bihar, Himachal Pradesh, Kerala, Maharashtra, Manipur, Meghalaya, Uttar Pradesh, Uttarakhand
- Flowering & fruiting
- Throughout the year
- Conservation status
- Least Concern (LC)
Flower & fruit characters
- Flower colour
- Yellowrecorded
Typical of the family
- Fruit
- Berry
Characters marked “recorded” are for Ban Long itself; the rest are typical of the Onagraceae family — flowering plants only.
Local Names
- Hindi
- बन लौंग Ban long
- Bengali
- বন লবংগ Ban lavanga
- Tamil
- Kattukkirampu
- Kannada
- ಕಾವಾಕುಲ, ಕಾವಾಕುಳ, ಕಾವಾಕೂಲ
- Malayalam
- kattukarayamapu
- Marathi
- पाण लवंग Pan lavang
About Ban Long
Primrose Willow (Ludwigia octovalvis) belongs to the Onagraceae family, where it grows as a low shrub. In India it has been recorded in Karnataka, West Bengal, Madhya Pradesh and 15 other states. It flowers and fruits through much of the year.

Botanical family
Onagraceae
Evening-Primrose Family
Ban Long belongs to the Onagraceae family.
The illustration represents the family — not necessarily this exact species.
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