Willow and Alder.
Yes.
Chestnut trees Chestnut trees
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.
There is no way to stop the catkins from falling on pecan trees. I have been trying to find this out for a while now and finally just called some local tree service places. They informed me that there is no way to stop them when dealing with pecan trees.
Cats don't produce catkins. Catkins are slim, cylindral flower cluster with inconspicuous or no petals produced by some plants.
Catkins are the flowers of a willow.
Some trees have cones and some have catkins. Willows have a downy flower that is pollinated by the wind.
Yes, it forms catkins which are the bits that give it the 'pussy' part of its name.
# Any of various deciduous shrubs or trees of the genus Alnus, native chiefly to northern temperate regions and having alternate simple toothed leaves and tiny fruits in woody, conelike catkins. # The wood of these plants, used in carvings and for making furniture and cabinets.
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 cherry trees are not native to Washington, DC. The cherry trees in Washington were gifted by the country of Japan and are also native to Japan.