Water-Plantain Species Stock Video Footage


water-plantain

Alisma is a genus of flowering plants in the family Alismataceae, members of which are commonly known as water-plantains. The genus consists of aquatic plants with leaves either floating or submerged, found in a variety of still water habitats around the world (nearly worldwide). The flowers are hermaphrodite, and are arranged in panicles, racemes, or umbels. Alisma flowers have six stamens, numerous free carpels in a single whorl, each with 1 ovule, and subventral styles. The fruit is an achene with a short beak. Water plantains are perennial plants. These herbs are usually emergent plants 0.1–1 m (4–40 in) high. They have broad leaves that can be either tapered or rounded at the base. When submerged, the plant produces ribbon-like leaves. Inflorescences are highly branched. They produce whorls of perfect flowers either white or pinkish. The fruits are flat-sided nutlets 2.5–3 mm (0.098–0.118 in) in length. These herbs usually flower in late May to early September, but this can vary with conditions. Learn more about Water-plantain

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