Potamogeton robbinsii, commonly known as Robbins' pondweed, is a North American perennial herb. The specific epithet robbinsii is named in honor of James Watson Robbins, the pioneer student of the gen

In botany, a stipule is an outgrowth typically borne on both sides of the base of a leafstalk. They are primarily found among dicots and rare among monocots. Stipules are considered part of the anatom