Threadlike Riverweed
Indotristicha ramosissima
- Habit
- Herb
- Found in India
- Kerala
- Flowering
- December-March
How to identify Threadlike Riverweed
Identify Threadlike Riverweed 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.
- Check the distinctive field mark: Thread-like moss-like body attached to submerged rocks.
- In season, compare flowering and fruiting time: December-March.
- In India, compare location records such as Kerala.
- Confirm it sits within the Podostemaceae family pattern, then compare close relatives before deciding it is Threadlike Riverweed.
Plant Details
- Scientific name
- Indotristicha ramosissima
- Genus
- Indotristicha
- Family
- Podostemaceae
- Habit
- Herb
- Habitat
- In streams
- Habitat type
- Wetland
- Found in India
- Kerala
- Flowering & fruiting
- December-March
- Conservation status
- Least Concern (LC)
About Threadlike Riverweed
Threadlike Riverweed (Indotristicha ramosissima) belongs to the Podostemaceae family, where it grows as a herb. In India it has been recorded in Kerala. It grows in in streams. Flowering and fruiting run from December to March.

Podostemaceae
River Weed Family
Threadlike Riverweed belongs to the Podostemaceae family.
The illustration represents the family — not necessarily this exact species.
Explore the Podostemaceae familySnap it. Know it.
Point your camera at Threadlike Riverweed or any plant and SASYA identifies it instantly — on-device, offline, and private.
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.
All plant problem & care guides