Northern Prairie Wildlife Research Center
Aquatic and Wetland Vascular Plants of the Northern Great Plains
63. Poaceae, the Grass Family
3. Alopecurus L. -- Foxtail
2. Alopecurus arundinaceus Poir. -- Creeping foxtail
Strongly rhizomatous perennial (4)7-11 dm tall, often purplish at the base and
in the inflorescence; culms stout, erect. Leaves mostly toward
the base, reduced upward on the culm; blades 3-11 mm wide, smooth or
scabrous on the upper surface; ligule membranous, 1-3 mm long. Spikelike
panicle appearing silky due to hairs of the glumes, often grayish-purple,
turning gray-brown with age, 3-11 cm long, 6-12 mm thick. Glumes 3.5-5.5
mm long, acute to acuminate, spreading-villous on the keel, glabrous or with
shorter appressed hairs on the sides; lemmas 2-4 mm long; awn
of the lemma 0.3-2(6) mm long, straight to slightly geniculate, unexserted or
exserted as much as 2 mm; anthers 1.5-2.5 mm long. May--Jul(Aug). Wet
meadows, shores, stream banks, ditches and other wet or moist places; frequently
planted in low ground of tame pastures and hay meadows, especially in the n
part; rapidly becoming naturalized; (Intro. from Eurasia and established in
parts of s Can. and the northern Great Plains).
Previous Section -- Alopecurus aequalis Sobol.
-- Short-awn foxtail
Return to Family -- Poaceae - The Grass
Next Section -- Alopecurus carolinianus Walt.
-- Carolina foxtail