Difference between revisions of "Schedonorus giganteus"

Revision as of 21:20, 16 December 2019

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.

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.

Lower Taxa