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Distribution Map

© Utah State University

© Utah State University

Vegetative Morphology

 
Plants annual; tufted.
Culms 12-45 cm.
Ligules 1.5-5.5 mm, obtuse.
Blades 4-12 cm long, 1.2-4 mm wide.
Upper sheaths conspicuously inflated.

Reproductive Morphology

 
Panicles 1.5-6.5 cm long, 5.5-13 mm wide, often dense.
Glumes 3-5 mm, connate at the base, pubescent, keels not winged, veins ciliate.
Lemmas 3-5 mm, connate in the lower 1/3-1/2, glabrous.
Awns 6-10 mm, geniculate, exceeding the lemmas by 3-6 mm.
Anthers 0.7-1.8 mm.
Caryopses 1.5-2 mm.

Chromosome Number(s)

2n = unknown

Nativity / Range

Native from Washington to California.

Typical Habitat(s)

Moist, open meadows, valley plains, and vernal pools at elevations below 700 m.

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Name/Synonymy Publication Info

Alopecurus saccatus Vasey, Bot. Gaz. 6:290 (1881). HOL: US 75442!; U.S.A., Oregon: eastern Oregon, wet places; Jun 1881; T.J. Howell 5.

Alopecurus howellii Vasey, Bull. Torrey Bot. Club 15:12 (1888). HOL: US75461!; U.S.A., Oregon: Medford, common in wet places; 20 Apr 1887; T.J. Howell 215.

Alopecurus californicus Vasey, Bull. Torrey Bot. Club 15:13 (1888). HOL: US 75463!; U.S.A., California: Santa Cruz; 1887; C.L. Anderson.

Treatment From

W.J. Crins. Alopecurus in Flora of North America, volume 24. In prep. Oxford University Press.

Fact Sheet Developed By

Pedro Oñativia Lake © 2006