Corolla monopetala, rotata, sub-inæqualis; tubus cylindraceus, brevissimus; limbus patens, quinque-partitus; laciniis ovatis, obtusis.
Stamina. Filaments quinque, subulata, corolla breviora. Antheræ subrotundæ, compressæ, erectæ.
Pistillum. Germen subrotundum. Stylus filiformis, longitudine staminum, inclinatus. Stigma crassiusculum, obtusum.
Pericarpium. Capsula subrotunda, bilocularis, bivalvis, superne dehiscens. Receptacula dimidiato-ovata, dissepimento affixa.
Semina numerosa, angulata.
Obs. In plerisque stamina inclinata sunt, villisque coloratis interne vestita.
Empalement. Cup of one leaf, with five divisions, small, remaining; segments upright, sharp pointed.
Blossom one petal, wheel-shaped, rather unequal; tube cylindrical, very short; border spreading, five divisions; segments egg-shaped, blunt.
Chives. Threads five, awl-shaped, shorter than the blossom. Tips roundish, flattened, upright.
Pointal. Seed-bud roundish. Shaft thread-shaped, the length of the chives, bent downward. Summit rather thick and blunt.