Columbus grass
Sorghum x almum Parodi
An erect, robust, tussocky perennial with numerous tillers and thick short rhizomes which curve upwards to produce new shoots near the parental stool. Culms solid and pithy, about 1 cm thick, sometimes reaching a height of 3–3.6 m. Internodes of culm may have a thickened ring. Leaves 2.5–4.0 cm wide, generally glabrous except for hairs near the ligule. Inflorescence is a large pyramidal panicle with secondary and tertiary branches, generally drooping as seed ripens.
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