Salix sericea
Encyclopedia
Salix sericea, also known as silky willow, is a shrub in the Salicaceae
Salicaceae
Salicaceae are a family of flowering plants. Recent genetic studies summarized by the Angiosperm Phylogeny Group has greatly expanded the circumscription of the family to contain 55 genera....

 family that grows in swamps and along rivers in eastern United States and Canada. It is 2–4 m tall and has long, thin, purplish twigs.
The leaves are 6–10 cm long, 7–8 mm wide, lanceolate, acuminate, serrulate, dark green and lightly hairy on top, and light green and densely covered with white silky hairs underneath. Mature leaves are glabrous. The petiole
Petiole (botany)
In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules. Leaves lacking a petiole are called sessile, or clasping when they partly surround the...

s are 1 cm long. Catkin
Catkin
A catkin or ament is a slim, cylindrical flower cluster, with inconspicuous or no petals, usually wind-pollinated but sometimes insect pollinated . They contain many, usually unisexual flowers, arranged closely along a central stem which is often drooping...

s are sessile and usually bracteate. Salix sericea blooms in May and fruits in June.

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