1、 Tree difference

The height of long leaf stickleback tree can reach 15 meters, and the trunk is thick and cylindrical

The stem of soft leaf stickleback is clustered, about 1 to 3 meters high, the stem diameter is about 10 cm, and has a persistent triangular petiole base

2、 Leaf difference

Long leaf stickleback has short petiole, plump base, yellowish brown, pinnate compound leaves, 5 to 6 meters long, arcuate and curved

The leaves of soft leaf stickleback are 1 to 1.5 meters long and linear. The feathers are soft and 20 to 30 cm long. Both sides are dark green and arranged in two rows

3、 Flower difference

The long leaf stickleback has spike like inflorescence, small yellow brown flowers, 3 petals, spherical female flowers and cup-shaped calyx

Soft leaf stickleback has inflorescence, which can be as long as 20 cm. The flowers have 3 petals, which are needle shaped, grow about 9 mm, and the top is gradually pointed