Salix serissima is a species of flowering plant in the willow family known by the common names autumn willow and fall willow. It is native to North America where it is distributed across much of Canada and the northern contiguous United States.This willow is a shrub growing to 2 to 3 m (6.6 to 9.8 ft) tall and known to reach 5 m (16 ft) at times. The stems and twigs are hairless. The leaves are lance-shaped to oval and are up to 11 cm long by 3.3 wide. They are hairless. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Plant