Typical of the Fabaceae family
Crotalaria micans
Tumthang-Suak / Caracas Rattlebox
- Habit
- Shrub
- Found in India
- Assam, West Bengal, Tamil Nadu
- Flowering
- July-May
Tumthang-Suak in regional languages
Find the name you know, then compare it with the botanical profile. Columns list recorded aliases; they are not paired translations. A Latin spelling appears only when it is present in the source record.
| Language | Regional script | Recorded Latin spelling |
|---|---|---|
| Mizo | Not recorded | Tumthang-suak |
See the original recorded names
- Mizo
- Tumthang-suak
Ecology & growing context
- Native status · Kew WCVP
- WCVP records it as introduced in Assam, India, West Himalaya Kew dataset ↗
Kew WCVP dataset; accepted-name match. Dataset matching is separate from an individual regional review. Recorded worldwide native range: Mexico to Trop. America.
- Recorded habitat
- Along roadsides in the high ranges
- Explore nearby plants
- Assam →West Bengal →Tamil Nadu →
Occurrence records show where a plant has been recorded; they do not establish that it is native there. Compare local habitat and growing conditions when choosing plants for a garden.
How to identify Tumthang-Suak
Identify Tumthang-Suak by combining habit, leaf characters, flower or fruit details, location, and its family pattern. Do not rely on one feature alone.
- Look for a shrub habit.
- Confirm leaf type: Simple (single blade).
- Confirm leaf surface: Pubescent (softly hairy).
- Confirm flower colour: Yellow.
- Confirm fruit surface: Inflated (balloon-like).
- In season, compare flowering and fruiting time: July-May.
- In India, compare location records such as Assam, West Bengal, Tamil Nadu.
Plant Details
- Scientific name
- Crotalaria micans
- Genus
- Crotalaria
- Family
- Fabaceae
- Habit
- Shrub
- Habitat
- Along roadsides in the high ranges
- Habitat type
- Wasteland
- Native to
- Central America, Caribbean Islands
- Distribution
- Old world Tropics
- Found in India
- Assam, West Bengal, Tamil Nadu
- Flowering & fruiting
- July-May
- Conservation status
- Least Concern (LC)
Leaf characters
- Leaf type
- Simple (single blade)recorded
- Leaf surface
- Pubescent (softly hairy)recorded

Typical of the family
Characters marked “recorded” are for Tumthang-Suak itself; the rest are typical of the Fabaceae family.
Flower & fruit characters
- Flower colour
- Yellowrecorded
- Fruit surface
- Inflated (balloon-like)recorded
Typical of the family
- Inflorescence
- Raceme
- Fruit
- Legume
Characters marked “recorded” are for Tumthang-Suak itself; the rest are typical of the Fabaceae family — flowering plants only.
About Tumthang-Suak
A member of the Fabaceae family, Caracas Rattlebox (Crotalaria micans) is a shrub. In India it has been recorded in Assam, West Bengal and Tamil Nadu. It grows in along roadsides in the high ranges. Flowering and fruiting run from July to May.

Fabaceae
Legume/Bean family
Tumthang-Suak belongs to the Fabaceae family.
The illustration represents the family — not necessarily this exact species.
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Common plant problems
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