Botanical name: Sphenoclea zeylanica Family: Sphenocleaceae (Goose Weed family)
Synonyms: Pongatium indicum, Rapinia herbacea
Goose Weed is a branched annual herb, growing up to 1.5 m tall with hollow stems. Roots are fibrous, white to brown. Leaves are lanceshaped, narrowly ovate to elliptic, up to 12 x 5 cm, hairless, margin entire, stalk up to 1.5 cm long. Flowers are borne in conical-cylindric spikes up to 12 cm long. Flowers very small, white, greenish or pink yellow. Fruit is a capsule, 4-5 mm in diameter, splitting below the sepals, leaving the base attached to the rhachis. Goose Weed inhabits wet places near pools, pans, irrigation channels, swamps and floodplains. It is found in S and SE Asia and Africa.
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The flower labeled Goose Weed is ...