Indian sandbur is a clustered annual grass with rising
up stems, up to 10-100 cm tall. The plant roots and branches arise from
the constricted nodes. The stems are cylindrical, smooth and hairless.
The leaves are alternate with linear blades, 2-35 cm long x 5-8 mm
broad. The leaf surfaces are rough, finely velvet-hairy or hairy. The
inflorescence is a spike-like panicle, 3-15 cm long x 9-12 mm in
diameter. The axis bears 1-3 lanceshaped spikelets enclosed by a
diamond-shaped involucre of prickly bristles. The burrs fall off when
the seed becomes mature. The burs strongly attach to fur or skin for
transport, and can hurt animals and humans. Indian Sandbur is found in
tropical Africa, extending through Arabia to NW India, predominantly in
Rajasthan.
Identification credit: Tabish
Photographed in IIT Campus, Jodhpur, Rajasthan.
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The flower labeled Indian Sandbur is ...