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Panicum capillare

photo of witch grass © by Michael Plagens

Observed in Aug 2009 along Mesquite Wash, Maricopa Co., Arizona, USA.

ANNUAL: Most plants are less than 1 meter tall.

INFLORESCENCE: Numerous, very small spikelets are dispersed on long, thin, but stiff pedicels. Flowering is from mid spring depending on available water.

LEAVES: Blades are about 1 to 2 cm wide and 20 cm long. The ligule and leaf are mostly hirsute. The top of the leaf may feel soft-hairy or rough-hairy.

RANGE: In the Sonoran Desert this grass is found mostly in disturbed habitats with plenty of moisture. Terraces and flood zones in riparian habitat. Found across North America.

FRUIT: The last bract or lemma around the seed is shiny. There are no awns on the spikelets.


Poaceae -- Grass Family

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Copyright Michael J. Plagens, 1999-2009