periwinkle

As nouns the difference between taxonomy and periwinkle

is that taxonomy is the science or the technique used to make a classification while periwinkle is any of several evergreen plants of the genus vinca with blue or white flowers or periwinkle can be a mollusk of genus.

As an adjective periwinkle is

of pale bluish purple colour.

As nouns the difference between periwinkle and mauve

is that periwinkle is any of several evergreen plants of the genus Vinca with blue or white flowers while mauve is a bright purple synthetic dye.

As adjectives the difference between periwinkle and mauve

is that periwinkle is of pale bluish purple colour while mauve is having a pale purple colour.

As adjectives the difference between periwinkle and apocynaceous

is that periwinkle is of pale bluish purple colour while apocynaceous is (botany) of the family apocynaceae, which contains the periwinkle and oleander.

As a noun periwinkle

is any of several evergreen plants of the genus vinca with blue or white flowers or periwinkle can be a mollusk of genus.