Difference between revisions of "Schedonorus giganteus"
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Latest revision as of 17:24, 11 May 2021
Plants perennial. Culms to 1.5 m. Leaves convolute in young shoots; auricles glabrous; ligules 0.5-2.5 mm; blades (10)20-40 cm long, 4-18 mm wide. Panicles 8-50 cm; branches usually 2 per node. Spikelets 8-13(20) mm long, 1.5-2.5 mm wide, with 3-10 florets. Lower glumes 4-7 mm; upper glumes 5-8 mm; lemmas 6-9 mm, usually scabrous or hispidulous, rarely smooth, awns 10-18 mm; paleas as long as to slightly longer than the lemmas; anthers 2.5-3 mm. Caryopses 3-4.6 mm long, 1-1.5 mm wide. 2n = 42.
Distribution
Ont., Que., N.Y., Mich., Conn.
Discussion
Schedonorus giganteus is adventive from Europe. It is cultivated as an ornamental, and has escaped to woodland openings and edges and to shaded ravines, at isolated localities in Quebec, Ontario, Michigan, New York, and Connecticut.
Selected References
None.