Crinkled-Leaf Aponogeton   
Foto info
Crinkled-Leaf Aponogeton
P Native Photo: Anurag Sharma
Common name: Crinkled-Leaf Aponogeton
Botanical name: Aponogeton crispus    Family: Aponogetonaceae (Cape-pondweed family)
Synonyms: Aponogeton echinatus, Spathium crispum, Spathium echinatum

Crinkled-Leaf Aponogeton is a seasonally submerged aquatic plant with a round rhizome 2-3 cm and up to 5 cm in diameter. The leaves are light green to olive green-brown, 20-35 cm long and 6 cm broad, with a wavy margin and a leaf-stalk up to 45 cm long; wild plants tend to have longer and narrower leaves than the cultivated varieties. No floating leaves are formed. The flowers are produced on an erect stem up to 80 cm tall with an apical white (- pink) spike-like raceme up to 18 cm long; each flower is small, with a 2 mm perianth and six stamens. The flowers are scented, and a flowering spike will last 1-2 weeks. Fruits are up to 12 x 5 mm, about twice as long as thick, beaked at the tip, with some irregular, hard excrescences or smooth. The seeds are elliptical, 5–6 mm long and 2 mm diameter. Crinkled-Leaf Aponogeton is native to southern India and Sri Lanka, where it usually occurs in seasonal ponds, becoming dormant in the dry season.

Identification credit: Anurag Sharma, Surajit Koley Photographed in Hassan, Karnataka.

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