The height of the long leaf anemone tree is up to 15 meters. The trunk is thick and cylindrical.
The stem of Anemone mollissima is clumped, about 1 to 3 meters high, about 10 cm in diameter, with a persistent triangular petiole base.
The long leaf anemone has short petiole, thick base, yellow brown color, 5 to 6 meters long pinnate compound leaves, and is arched and curved.
The leaves are 1 to 1.5 meters long, linear and soft, 20 to 30 cm long, dark green on both sides, arranged in two rows.
The flower is small, yellow brown, with 3 petals, the female flower is spherical, and the calyx is cup-shaped.
The flower has 3 petals, which are needle shaped, grow about 9 mm, the top is gradually sharp.