columbine: any of the many species of the genus aquilegia with long-spurred flowers. from Latin columba ‘dove’ from the supposed resemblance of the flower to a cluster of five doves. (Lawrence, Chatterley: he had brought columbines and campions…)

cineraria: a plant of the daisy family with compact masses of bright flowers, often cultivated as a house plant. feminine of Latin cinerarius ‘of ashes’ because of the ash-colored down on its leaves.

creeping jenny > moneywort: a trailing evergreen plant with round glossy leaves and yellow flowers, growing in damp places and by water. “Forms: see MONEY n. and WORT n.¹ [< MONEY n. + WORT n.¹, after post-classical Latin nummularia (1545), alteration of classical Latin nummulus a weed of meadows (< nummus coin (see NUMMI- comb. form), with reference to the supposed resemblance of the plant's rounded leaves to coins).] ” (Lawrennce, Chatterley, ‘[my penis is] safe in the arms of creeping-jenny’)

lilac: a Eurasian shrub or small tree of the olive family, that has fragrant white, pink, or violet blossoms and is widely cultivated as an ornamental. from obsolete Fr. via Sp. and Ar. from Persian lilak, variant of nilak ‘bluish’ from nil ‘blue’.