Bracts longer than the pedicels with flowers, 1.5 – 2 cm long having 19 - 21 distinct ribs. Flowers sessile or subsessile on pedicels 2 – 4 mm long.
Stamens usually 18, anthers 1.5 mm long, as long as the filaments. Achenes 2.5 – 3 mm long x 1 - 1.2mm wide, distinctly ribbed only in the lower part of the body, the upper third without ribs, lateral glands absent.