SORGHUM, a genus of grasses belonging to the tribe Andropogoneae, and including one of the most important tropical grains, Sorghum vulgare, great millet, Indian millet or Guinea corn.
This presents itself variously developed from a mere subulate point to an organ several inches in length, and when complete (as in Andropogoneae, Aveneae and Stipeae) consists of two well-marked portions, a lower twisted part and a terminal straight portion, FIG.
A few species, as we have seen, are monoecious or dioecious, while many are polygamous (having unisexual as well as bisexual flowers as in many members of the tribes Andropogoneae, fig.
Short spikes may fall from the culm as a whole; or the axis of a spike or raceme is jointed so that one spikelet falls with each joint as in many Andropogoneae and Hordeae.
Andropogoneae (25 genera, mainly tropical).
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