Common Mare's Tail is a creeping, perennial herb,
found in shallow waters and mud flats. It roots underwater, but most of
its leaves are above the water surface. The leaves occur in whorls of
6-12; those above water are 0.5 to 2.5 cm long and up to 3 mm wide,
whereas those under water are thinner and limper, and longer than those
above water, especially in deeper streams. The stems are solid and
unbranched and can be up to 2 ft long. In shallow water they project
20-30 cm out of the water. Whorls of tiny flowers occur in leaf axils
all along the emersed part of the stem, with a single flower in each
leaf axil. Flowers are petal-less, green to purplish, oval, about 1 mm
long, either male with a single purplish stamen, female with a single
thread-like style. Common Mare's Tail is widespread in the temperate
world. In India it occurs in the Himalayas at altitudes up to 5000 m.
Identification credit: Kai-Philipp Schablewski
Photographed in Ladakh.
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The flower labeled Common Mare's Tail is ...