water clover

noun

1. a common freshwater fern, Marsilea quadrifolia, of lake edges and quiet ponds, having roots embedded in the bottom, very slender and often tangled stems, and floating, cloverlike leaves composed of four leaflets.

Example Sentences

It contains aquatic plants such as calla lilies, lotus, miniature cattails, water chestnut, water clover and taro, as well as filters, skimmers and layers of granite and sand.

From Los Angeles Times

The spring bubbling forth from the plateau formed, deep down in the valley below, a small lake covered with water lilies and the broad red flowers of the water clover.

From Project Gutenberg