Onion-Weed is an annual or short-lived perennial herb growing a hollow
stem up to 70 cm tall. The root system has a series of tuber-like parts at
the base of the stem. The plant takes the form of a large tuft of
onion-like rounded hollow leaves up to 30 cm long. The inflorescence is a
panicle with widely-spaced flowers. Each flower is 0.5-1.2 cm wide with
six tepals which are generally white or very pale pink with a neat central
longitudinal stripe of brown to reddish-purple. The flowers are diurnal,
closing at night and in overcast or low-light weather conditions. The
fruit is a rounded capsule containing six seeds. It is an invasive exotic
weed coming from Africa, W. Asia and S. Europe, and has naturalized in
parts of India.
Identification credit: Gurcharan Singh
Photographed in Morni Hills, Haryana & Delhi.
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The flower labeled Onion-Weed is ...