[L. juba mane, foliage of trees: see JUBE2.] (See quot. 1880.)

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1688.  R. Holme, Armoury, II. 100/1. Rice … beareth a seed in a sparsed juba, or tuft.

2

1706.  Phillips, Juba, the Main of a Horse…; among Herbalists a soft loose Beard which hangs at the end of the Husks of some Plants that are of the nature of Corn, particularly in Millet.

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1880.  Gray, Struct. Bot. (ed. 6), 417/2. Juba. A loose panicle, with axis deliquescent.

4