Definition of watsonia
1 capitalized : a genus of southern African herbs (family Iridaceae) that resemble gladioli, are often cultivated for ornament, and have showy spikes of nearly regular and mostly red or white flowers and chiefly basal leaves
2 plural -s : any plant or flower of the genus Watsonia
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Origin and Etymology of watsonia
New Latin, from Sir William Watson †1787 English botanist + New Latin -ia
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