Ulva rigida C. Agardh

Order Family    Genus Ulvales Ulvaceae Ulva

Ulva rigida, C.Ag.

Characteristics

Irregularly lobed sheets, 10-15 cm across or small rosettes 2-5 cm hig; colour is a little darker green than with the other Ulva species; in cross sections near the margins, the cells are about as long as broad or slightly longer parallel to the surface; sections from the central and basal parts of the blades show cells that are about 50 µ long and 8-12 µ broad, arranged in a palissade like fashion inside a 10-13 µ thick, colourless thallus wall; thickness of the thallus may be 140 µ because of the extremely well developed layer of medullary rhizoids.

Distribution : Gujarat, Bhatkal (Karnataka) and Lakshadweep

Ecological status : Intertidal zone

IUCN status :Endangered

Uses : Food, animal feed and medicine

Culture/Cultivation