Department of Agronomy

Bangladesh Agricultural University


Common Name: Hastate-leaved pondweed
Scientific Name: Monochoria hastata (L.) Solms-Laub.
Family Name: Pontederiaceae
Type: Broad leaf

Identification Notes

Monochoria hastata Photo 1
Monochoria hastata Photo 1
Monochoria hastata Photo 2
Monochoria hastata Photo 3
Monochoria hastata Photo 4
Life Cycle
Stem: having creeping, spongy rootstock; Leaves: long petioled, hastate, acute, entire, many nerved; Inflorescence: racemose, flower actinomorphic, bluish purple in color; Fruit: a capsule; Seeds: numerous; oblong, brown in color.
Growing season
Rabi and Kharif
Germination period
January - December
Flowering period
February - October
By seed and rootstock
M. hastata is a tropical aquatic herb reported from freshwater pools, mudflats in rivers, ditches, rice fields, canal banks, sluggish streams, silted-up meanders, swamps, open drains and very wet soils. It grows from sea level to 700 m altitude.
Weed potential
M. hastata is a weed of rice fields although there is limited information on its impact on rice crops. At high population densities, M. hastata is competitive and can reduce rice yields considerably (Boonkerd et al. 1993).
Control measure
Recommended herbicide
Medicinal properties

[1] Boonkerd T, Na Songkhla B, Thephuttee W, 1993. Monochoria K.B. Presl. In: Plant Resources of South-East Asia. No. 8: Vegetables, [ed. by Siemonsma JS, Piluek K]. Bogor, Indonesia: PROSEA Foundation.