Sentence Examples with the word kidney-shaped

The order contains about fifty species in fifteen genera, twelve of which occur in fresh water while three are marine; and includes both floating and submerged forms. Hydrocharis floats on the surface of still water, and has rosettes of kidney-shaped leaves, from among which spring the flower-stalks; stolons bearing new leafrosettes are sent out on all sides, the plant thus propagating itself in the same way as the strawberry.

Long with a rounded crenate outer edge and repeatedly forked veins; the sori (or masses of spore-capsules) are in the crenatures of the pinnules, and are protected by a kidney-shaped involucre.