Mackenzie willow – Salix mackenzieana

Pronunciation: Say-liks mak-en-zee-an-uh

A.K.A.: also listed as Salix prolixa

Leaf: Alternate, simple, oval to somewhat lanceolate with a U or heart-shaped base, 4 - 5 inches long, margins entire, dark green and somewhat shiny above, pale and glabrous or tomentose below.

Flower: Species is dioecious; to 4 inch fuzzy catkins, yellowish white, appearing in spring with the leaves.

Fruit: Small (¼ inch), long-pointed, hairy capsules in oblong clusters; each capsule contains numerous small fuzzy seeds.

Twig: Slender, greenish brown to reddish brown, may or may not have waxy bloom or sparse pubescence; buds are conical, red, and have a single cap-like scale; often with persistent lobed stipules at the nodes.

Bark: Gray-green with numerous reddish lenticels.

Form: A shrub to 20 feet tall.

Looks like: Bebb's willow - pussy willow - Scouler willow - Sitka willow

https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=42954