they are green, red, or brown
Catkins are the flowers of a willow.
The flowers of a willow tree are called catkins. There is no standard collective noun for catkins, but based on their natural formation you could use the collective noun a cluster of catkins.
nothing
No, an aspen tree is part of the populus genus. Only the trees from the birch genus (Betulus) produced catkins as the male pollinating adaptation The aspen Populus tremula does produce catkins in late winter and early spring. They are long and grey.
Yes.
Yes, red maple trees (Acer rubrum) produce catkins, which are slender, cylindrical flower clusters. These catkins appear in early spring before the leaves emerge, with male catkins being longer and more noticeable than female ones. The flowers are typically red or yellow and are an important source of nectar for pollinators.
Willows (genus Salix) are known for producing catkins, which are elongated flower clusters that appear before the leaves in spring. Common species that produce catkins include the weeping willow (Salix babylonica), black willow (Salix nigra), and pussy willow (Salix discolor). These catkins can be male or female, depending on the plant, and are an important source of pollen for early pollinators.
bright and cheerful
Yes, the diamond-leaf willow (Salix eriocephala) does produce flowers. These flowers are typically catkins, which are elongated clusters that emerge in the spring before the leaves. The catkins are usually yellowish or greenish and can be either male or female, with the male catkins being more conspicuous. After pollination, the female catkins develop into seed capsules that disperse seeds in the wind.
how am i supposed to know
Willow and Alder.
Catkins are also called aments