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How to Manage Pests

Identification: Weed Photo Gallery

Blunt spikerush

Scientific name: Eleocharis obtusa (Sedge Family: Cyperaceae)

Life stages of Blunt spikerush top picture bottom left picture bottom right picture

Click on image to enlarge

DESCRIPTION:

Blunt spikerush, a common annual sedge, may be found on poorly drained soil, levees, in shallow ditches and marshy areas. It competes with rice early in the growing season. Seedlings are grasslike with triangular stems. Mature plant is 4 to 20 inches (10 - 50 cm) tall and has round stems terminating in small, brown, densely egg-shaped flowering heads. There are no leaves.

Sedge ID illustration.


Statewide IPM Program, Agriculture and Natural Resources, University of California
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