Corolla monopetala, supra longitudinaliter fissa, genitalia exferens; limbo quinquefido, secundo.
Stamina. Filamenta quinque, receptaculo inserta. Antheræ lineares.
Pistillum. Germen inferum. Stylus simplex. Stigma urceolatum, ciliatum.
Pericarpium. Capsula oblonga, bilocularis, bivalvis; dissepimento parallelo.
Semina plura, scabrida.
Empalement. Cup four-cleft, above, and remaining.
Blossom of one leaf, cleft longitudinally on the upper side, exposing the organs of fructification; border five-cleft, leaning one way.
Chives. Five threads fixed into the receptacle. Tips linear.
Pointal. Seed-bud beneath. Shaft simple. Summit pitcher-shaped, and fringed.
Seed-vessel. Capsule oblong, with two cells, and two valves; partition parallel to the valves.