Calyx. Spatha monophylla, maxima, oblonga, basi convoluta, apice connivens, ventre compressa, interne colorata.
Spadix clavatus, simplicissimus, spatha paulo brevior, coloratus, inferne germinibus obvallatus, marcescens supra germina.
Corolla nulla.
Stamina. Filamenta nulla, nisi nectaria basi crassa, desinentia in cirros filiformes, duorum ordinum e medio spadice egredientes. Antheræ plurimæ, sessiles, tetragonæ, cirrhorum duplici ordine interjectæ, spadici adnatæ.
Pistilla. Germina plurima, basin spadicis vestientia, infra stamina collocata, obovata. Styli nulli. Stigmata villis barbata.
Pericarpia. Baccæ totidem, globosæ, uniloculares.
Semina plura, subrotunda.
Empalement. Sheath one leaf, very large, oblong, convolute at the base, converging at the top, the belly compressed, coloured within.
Sheathed-Fruit-stalk club shaped quite simple, a little shorter than the sheath, coloured, set round with seed-buds on the lower part, withering above the seed-buds.
Blossom none.