Sago Pondweed

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Sago Pondweed

Scientific Name: Potamogeton pectinatus L.
Origin: Native

Description
A submerged aquatic pondweed characterized by many long narrow leaves. The leaves are 3 -11.5 cm long by only 0.2-4 mm wide, lack a stalk and are bright green to olive green in colour. Leaves are variable in shape and may be linear or thread-like, circular or grooved in cross-section, with 0-5 large and several small air channels bordering the midrib. Leaves taper to a fine point when narrow, or have rounded ends with a short point when broad. Stems are richly branched, slender or robust, circular in cross-section and up to 2.3 m in height. Leaves form a long (1-7cm), open leaf sheath where they meet the stems. Rhizomes are very slender or robust. Flowers born on tall bending stalks 2-9 (up to 28) cm long, in 2-7 groups of 1-2 flowers. Fruits egg-shaped 3-5 mm by 2-4 mm, with a short, curved beak, and pale brown in colour becoming brown with age.