(Sorghum halepense)


Leaves Ligule Flowers
johnsongrass leaves johnsongrass ligule johnsongrass flowers

Growing habits: Coarse perennial 

Root anatomy: Fibrous roots from thick, scaly underground rhizomes

Leaf anatomy: Leaves glabrous, sheaths open & glabrous, trichomes sometimes at margin, prominent membranous ligule 

Reproduction: Open, many-branched panicle inflorescence, two-flowered spikelets with one being fertile

References: Weeds of the South by Charles T. Bryson and Michael S. DeFelice