Sea cabbage for the algae plant Ulva family Ulva schreberi algae body, also known as sea spinach, sea lettuce, sea strip, moss cabbage. Scientific name "Ulva". Green algae, Ulva family. Algae body turquoise, alone or clustered, the form often has a hole of varying sizes. Sea cabbage, algae body turquoise, cell polygonal, mononuclear, chloroplast sheet, a starch nucleus. Membranous body composed of two layers of cells, leaf blade ovoid, edge wavy, 10~30CM high.

Because of the sea cabbage cells contain a lot of chlorophyll, supermarkets sell the general is cut into pieces, chlorophyll is easy to flow with its juice, color loss is reasonable, is a normal phenomenon.