The leaf stalks are 2 to 3 mm long.

The leaf stalk is 9 to 20 mm and smooth.

The leaf stalk is grooved, 5 to 10 mm long.

The main leaf stalk is from 9 to 18 mm long.

There is no leaf stalk; leaves grow immediately from the stems.

The green leaf stalks are around 5 to 7 mm long.

It has no flexible joint at the top of the leaf stalk.

The leaf stalk is between 8 and 25 mm long.

The leaf stalks are very short - up to about 1 cm long.

The leaf stalk is between 3 and 7 mm long.