Exacum

Exacum (scientific name:exacm affine) is a non-hardy perennials　grass of the family gentianaceae genus exacum native to Yemen. Leaves are glossy and stiff.
It makes purple florets bloom one after another. There are kinds of a white flower or double flowers bloom, too. :Exacm affine 'white rococo' is a white blossom kind of the blooming in double.

Common name: Exacum
Scientific name:Exacum affine
aka: Pacifica violet
the place of origin: Yemen, environment: a rocky place,
an ecotype: Perennial plant, height of a rice plant: 20-30cm, a leaf color: Strong green, leaf shape: Ovoid, a phyllotaxis: Anti-life, a leaf relationship: All relationships, flower diameter: 1-2cm, a color of a flower: Bluish violet, blue, white, anther color : Yellow, The way of blooming of the flower: One fold, double, anthesis: From June to October