FoI
Wavy-Leaf Oxygonum   
Foto info
Wavy-Leaf Oxygonum
aturalized Photo: Medha Rao
Common name: Wavy-Leaf Oxygonum
Botanical name: Oxygonum sinuatum    Family: Polygonaceae (Knotweed family)
Synonyms: Oxygonum elongatum, Ceratogonon sinuatum

Wavy-Leaf Oxygonum is a more or less erect branched annual herb, with ribbed stems up to 1 m tall, usually smaller. Leaves are ovate-elliptic to elliptic-lanceolate in outline, up to 8 x 3 cm, usually with 3 unequally deep lobes on each side. Flowers are borne in 2-5-flowered clusters in the axils of bracts, together appearing as spike-like terminal or axillary inflorescences, 25-40 cm long. Flowers are 4-5-petalled, 6-8 mm in diameter, white or pinkish. Fruit is an erect or spreading, trigonous nut, 5-7 mm long, with 3 prickles in the middle of the angles, pubescent. Wavy-Leaf Oxygonum is native to Africa, naturalized in South India.

Identification credit: Medha Rao, Anurag Sharma
Photographed in Lalbagh, Bangalore.
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