SHATTERCANE, Sorghum bicolor
(L.) Moench. 1, upper portion of stem with particle of racemes;
2, group of spikelets. Annual, reproducing by seed. Root
system fibrous. Stems erect, smooth, 4 to 8 feet (1.2 to 2.4 m)
high; tillers readily produced from crown. Leaves resemble those
of forage sorghum or sudan. Seeds resemble forage sorghum seed,
enclosed in black to red, shiny glumes; seeds shatter very easily and remain
viable in soil 2 to 3 years. Found only in cultivated fields, where
it reseeds itself.