Plants simple or pinnately lobed, linear oblong. Lamina obtuse at the bases, emerginate and also adjusted at the apices somewhat undulated serrated all through. Teeth along the edges spinose with subulate and recurved ramuli, comparative procedures additionally emerge along the veins and midribs. Branching happens repeatedly from both surfaces of the midrib. Lamina becomes decayed in older plants and the midrib becomes a stipe. Stem simple or branched. Plants deep read to purplish in colour, fronds leaf-like with a distinct midrib and parallel veins attached to a cylinder-shaped stem.