597

Limnophila heterophylla (Roxb.) Benth.

Family	:	Plantaginaceae
Local name	:	Malayalam – Manganari
Flowering and fruiting period	:	August-December
Distribution	:	Indo-Malesia and China
Distribution in kerala	:	Alappuzha, Kasaragode, Kollam, Thiruvananthapuram, Kozhikkode, Thrissur
Habitat	:	Waterlogged areas
Uses	:	Not Known
Key Botanical Characters: Emergent annual herbs. Aerial leaves opposite or verticillate, elliptic to oblong, base sub-amplexicaul, margin serrulate, apex subacute, glabrous, 3-nerved from base, sessile; submerged leaves multifid with capillary segments up to 4 cm long. Flowers solitary, sessile or sub-sessile in the upper axils. pale pink, throat sparsely pilose; upper lip 2-lobed, , lower lip 3-lobed. Stamens 4, included, didynamous. Capsule  ellipsoid. Seeds angular, brown.