Corolla monopetala, campanulata, basi torulosa; limbo duodecimpartito, aquali.
Nectarium duodecim loculare ex squamis 12, unguibus staminum insertis, conniventibus, receptaculum tegentibus.
Stamina. Filamenta duodecim, longitudine corollæ. Antheræ crassæ.
Pistillum. Germen superum, conicum. Stylus simplex, longitudine staminum. Stigmata duo, longa, setacea, divergentia.
Pericarpium. Capsula bilocularis.
Semina plurima, subrotunda, nigra.
Empalement. Cup one-leaf, twelve-divided; leaflets awl-shaped, remaining, upright, the alternate ones shorter.
Blossom one petal, bell-shaped, rather swelled at the base; border twelve-divided, equal.
Honey-cup twelve-celled, consisting of 12 scales, inserted into the claws of the chives, approaching, covering the receptacle.
Chives. Twelve threads, the length of the blossom. Tips thick.