Character Dactyloctenium ruderalis D. aristatum
Plant height(cm) 50–80, erect 15–45, erect or prostrate
Leaf length 2–10 cm 12–17 cm
Peduncle length (cm) 20–40 long, apex curved and beared 3–10 long, apex slightly curved, pubescent
Spikes Spike length One 0.5–2.0 cm One or more 2.5–3.2 cm
Stem one One or branched
Basal nodes rooting absent rooting present at base