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(Plants) any plant of the annual or perennial tropical genus Exacum; some are grown as greenhouse biennials for their bluish-purple platter-shaped flowers: family Gentianaceae
[Latin, a name for centaury, from ex out + agere to drive]
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Noun1.Exacum - genus of tropical Asiatic and African plants: especially Persian violets
dicot genus, magnoliopsid genus - genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
family Gentianaceae, gentian family, Gentianaceae - chiefly herbaceous plants with showy flowers; some are cultivated as ornamentals
Exacum affine, Persian violet - perennial cultivated especially as a houseplant for its fragrant bluish to dark lavender flowers
References in periodicals archive ?
Examples are Pseudocorchorus (Malvaceae; Bayer & Kubitzki, 2003), Exacum (Gentianaceae; Klackenberg, 2002), and Solanum sect.
Besides these, other species Andrographis paniculata, Exacum tetragonum, E.
Centris nitida was observed to buzz flowers of 10 species of plants in the genera Exacum, Lycianthes, Senna and Solanum to collect pollen (Table 2), while C.