Personal knowledge from class, confirmed with Illinois Wildflowers website
3-4ft, including panicle
Herbaceous
Alternate simple leaves
Spike-like panicle
Most caryopses have dropped off plants
Rhizomatous
Herbaceous
Rhizomatous
70 cm tall
Basal alternate leaves
Simple leaves
Zygomorphic flowers
Petals and sepals reduced
Fruit: caryopsis