Machim / Wedge-Leaved Water Croton
Homonoia retusa
- Habit
- Shrub
- Found in India
- Karnataka, Chhattisgarh, Madhya Pradesh & more
- Flowering
- January-August
How to identify Machim
Identify Machim 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 margin: Toothed (serrate/dentate edge).
- Confirm leaf surface: Tomentose (woolly, matted hairs).
- Confirm flower colour: Green.
- In season, compare flowering and fruiting time: January-August.
- In India, compare location records such as Karnataka, Chhattisgarh, Madhya Pradesh, Maharashtra.
- Confirm it sits within the Euphorbiaceae family pattern, then compare close relatives before deciding it is Machim.
Plant Details
- Scientific name
- Homonoia retusa
- Genus
- Homonoia
- Family
- Euphorbiaceae
- Habit
- Shrub
- Habitat
- Near water streams
- Habitat type
- Wetland
- Native to
- India
- Distribution
- India
- Found in India
- Karnataka, Chhattisgarh, Madhya Pradesh, Maharashtra
- Flowering & fruiting
- January-August
- Conservation status
- Least Concern (LC)
Leaf characters
- Leaf margin
- Toothed (serrate/dentate edge)recorded
- Leaf surface
- Tomentose (woolly, matted hairs)recorded
Typical of the family
- Arrangement
- Alternate
Characters marked “recorded” are for Machim itself; the rest are typical of the Euphorbiaceae family.
Flower & fruit characters
- Flower colour
- GreenrecordedGreen or greenish
Typical of the family
- Flower symmetry
- Actinomorphic (radially symmetrical)
- Inflorescence
- Cyme
- Fruit
- Capsule
Characters marked “recorded” are for Machim itself; the rest are typical of the Euphorbiaceae family — flowering plants only.
Local Names
- Tamil
- Aatthuchendu
- Marathi
- माचिम machim
About Machim
A member of the Euphorbiaceae family, Wedge-Leaved Water Croton (Homonoia retusa) is a shrub. In India it has been recorded in Karnataka, Chhattisgarh, Madhya Pradesh and 1 other states. It grows in near water streams. Flowering and fruiting run from January to August.
Euphorbiaceae
Spurge/Euphorbia family
Machim belongs to the Euphorbiaceae family.
The illustration represents the family — not necessarily this exact species.
Explore the Euphorbiaceae familySnap it. Know it.
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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.
All plant problem & care guides