small carpetgrass, joint-head grass: Arthraxon hispidus (Cyperales: Poaceae)

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small carpetgrass, joint-head grass	USDA PLANTS Symbol: ARHI3 USDA ARS GRIN: 4302 ITIS: 41445 NAPIS: PCADZBA
Arthraxon hispidus (Thunb.) Makino
Taxonomic Rank: Liliopsida: Cyperales: Poaceae
Synonym(s): jointhead arthraxon, hairy jointgrass
Small carpetgrass is an annual grass that was introduced into the United States, either accidentally or by immigrants, from Japan and eastern Asia. The plant stands to 1.5 ft. (0.5 m) tall with oval to lance-shaped leaves. Leaves are 1-3 in. (2.5-7.6 cm) long, 1/5 in. (0.5 cm) wide and have heart shaped bases. The margins of the leaves have conspicuous hairs. Flowers bloom in early fall and are contained in 1 to several, 1-3 in. (2.5-7.6 cm) long spikes. Small carpetgrass inhabits wet areas such as stream banks, flood plains and shorelines.

Identification, Biology, Control and Management Resources

Plant Invaders of Mid-Atlantic Natural Areas - National Park Service
Weed of the Week - USDA Forest Service
Invasive Plant Atlas of New England - University of Connecticut

Distribution Map

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Developed by The University of Georgia - Center for Invasive Species and Ecosystem Health.
Last updated on Thursday, February 14, 2013 at 02:42 PM