Annuals Dictionary: Exacum
Gentian family
Gentianiaceae
Ecks’a-kum. A genus of 20 species of herbs or subshrubs from the Old World tropics, the species below grown for ornament.
Description
Leaves opposite, mostly stalkless or very short-stalked, without marginal teeth. Flowers mildly fragrant, in forked cymes, the calyx 4- to 5-parted. Corolla more or less twisted, its lobes usually 5 and blunt or pointed. Stamens 4-5, attached to the throat of the corolla.
How to Grow (more…)