Kuhry (1988): Achenes elliptic to obovate in 1.s., triangular- convex, occasionally quadrangular-convex, to almost circular in c.s. Size: ca. 1.0 x 0.4 × 0.4 mm. Wall surface with 3-4 ridges on each side with transverse striations. Style-base and bristles not found.
Kuhry P (1988) A palaeobotanical and palynological study of Holocene peat from the El Bosque mire. Located in a volcanic area of the Cordillera central of Colombia. Rev. Palaeobot. Palynol. 55:19-72.