rugate

Nutlets white, oblong, ca. 4 mm, rugate, apex acute.

坚果白色，长方形，约4毫米，有皱，先端尖。

Surface micro-ornamentations observed were granulate, echinulate, fenestrate, sharp columellate, scale, and rugate.

表面细微构造有颗粒沉淀、毛细刺、孔隙、尖柱状突起、鳞片花纹、皱痕花纹等。