Morphology of F. groessingii A habitat B basal leaves C inflorescence D individual E flowering stage F cauline leaves G mericarps, dorsal and commissural aspects H cross section of mericarp: (a) median rib, (b) lateral rib, (c) marginal rib, (d) endosperm, (e) vallecular vitta, (f) commissure vitta. Scale bar: 1 mm.