Monochoria vaginalis is a aquatic plant Native to Sri Lanka and many other Asian countries including India. The plant is consider as a weed but not much invasive. It is commonly found on slow-moving or standing water bodies such as border of tanks, paddy fields or marsh land in wet zone or dry zone. The plant is a leaf vegetable and sometime used in folk medicine.

| Common Classification | |
|---|---|
| Common Names | Pickerel Weed, Oval-Leafed Pond Weed |
| Scientific Name | Monochoria vaginalis |
| Sinhala Name | Diya Habarala |
| Scientific Classification | |
| Family | Pontederiaceae |
| Genus | Monochoria |
| Species | M. vaginalis |
| Synonym | Gomphima vaginalis |
| Ecology | |
| Category | Weed-Herb-Wild-Vegetable |
| Growth Habit | Small -Shrub |
| Duration | Annual |
| Origin | Indigenous |
| Status | Natural |
| Property | |
| Culinary / Edible | Yes |
| Use as Herb | Yes |
| Other Use | n/a |
| Poisoned / Toxin | No |
| Identification | |
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