The nostrils are positioned close to the mouth; between them is a short and broad curtain of skin with a smooth margin.

The leaflets are lanceolate, do not overlap each other and have smooth margins.

The leaf is elliptically shaped with smooth margins (or edges).

The skin folds along the sides of the head have smooth margins, without lobes.

The leaves are oval-acute, 1-3 cm long, with a smooth margin.

The light green, simple leaves are linear-lanceolate, with smooth or slightly serrated margins.

They have smooth margins and grow 7-20 cm long by 5-10 cm broad.

The leaves are hairy, alternate, simple, entire and green, with smooth margins.

The rear bar has a more curved but smoother front margin, and teeth all along the back edge.

The leaves are generally oval in shape and have smooth or serrated margins.