FoI
Water Marshweed   
Foto info
Water Marshweed
A Native Photo: S. Kasim
Common name: Water Marshweed
Botanical name: Limnophila polystachya    Family: Scrophulariaceae (Dog flower family)
Synonyms: Limnophila aquatica, Stemodia aquatica, Conobea indica

Water Marshweed is an erect or partly floating herb, with stem round, up to 5.5 long, hairless. Leaves are opposite, whorled, lower feather-like dissected, upper oblong-lanceshaped, 1.5-4 x 0.2-1 cm, flat at base, sawtoothed at margin, somewhat pointed at tip, hairless, palmately 3-5 nerved, 3-prominent, 3-obscure, stalkless. Flowers are borne in spikes or racemes in leaf-axils or at branch-ends, up to 12.5 cm long, carried on flower-cluster-stalk 5.5 cm long. Flowers are about 7 mm across, white, slightly pink, stalked to stalkless. Sepals 5, nearly equal, linear-lanceshaped, 2,5 mm, capillary at tip. Flowers ar 2-lipped; lower lip 3-lobed; upper lip 2-lobed, pink striped, inside hairy. Stamens are 4; filament 1-3 mm; anther spherical, 0.4 mm long. Capsules are spherical, 3 mm across. Water Marshweed is native to South India. Flowering: November-Februray.

Identification credit: S. Kasim Photographed in Chennai, Tamil Nadu.

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