609
Lemna perpusilla Torr.
Synonym
|
:
|
Hydrophace perpusilla (Torr.)
Lunell
|
Family
|
:
|
Araceae
|
Flowering and
fruiting period
|
:
|
September-January
|
Distribution
|
:
|
Cosmopolitan
|
Distribution in
kerala
|
:
|
Alappuzha, Kasaragode, Pathanamthitta, Palakkad,
Thrissur, Wayanad, Kozhikkode, Kollam
|
Habitat
|
:
|
Stagnant waters
|
Uses
|
:
|
widely used in the treatment of wastewater and sewage
effluent. It is highly adaptable to eutrophic conditions and has shown to
very effectively absorb nutrients in the treatment of effluents and municipal
wastewater
|
Key
Botanical Characters :
Small floating aquatic herbs. Fronds pale green, solitary
or cohering in groups of 2-5, asymmetric, 1 ovate to obovate or oblong, base
obtuse or emarginate, apex obtuse or rounded; upper side flat or convex with
or without an apical papilla, lower side flat; root solitary. Flowering
cavity lateral; spathe open. Staminate flowers 2; anthers 2-thecous.
Pistillate flower 1, lenticular, 1-seeded. Seeds minute, yellowish.  |
||
