Definition of tibouchina
1 capitalized : a large genus of South American shrubs or rarely herbs (family Melastomaceae) having entire 5- to 7-nerved leaves and trichotomous panicles of large purple flowers with a hairy calyx, 10 stamens, and a 5-celled ovary — see glory-bush spiderflower 2
2 plural -s : any plant of the genus Tibouchina
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Origin and Etymology of tibouchina
New Latin, from tibouch (from native name in Guiana) + -ina
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