Calyx. Perianthium monophyllum, quadridentatum, campanulatum, erectum, persistens.
Corolla. Petala quatuor, oblonga, concava, apice reflexa, marginibus crassis.
Stamina. Filamenta octo, erecta, filiformia, receptaculo inserta.
Pistillum. Germen turbinatum, superum. Stylus filiformis, longitudine staminium. Stigma obtusum.
Pericarpium. Capsula coriatea, lanata, quadrilocularis, quadrivalvis.
Semina quatuor, solitaria, subrotunda.
Empalement. Cup of one leaf, five-toothed, bell-shaped, upright, and permanent.
Blossom. Four petals, oblong, concave, reflexed at the end, and thick at the edges.
Chives. Eight threads, upright, thread shaped, and fixed into the receptacle.
Pointal. Seed-bud turban-shaped, and above. Shaft thread-shaped, the length of the chives. Summit blunt.