Anemonastrum deltoideum (Douglas) Mosyakin

Nomenclature

Anemonastrum deltoideum (Douglas) Mosyakin, commonly called Columbian windflower and western white anemone, is a flowering plant species belonging to the buttercup family Ranunculaceae.

Distribution and Habitat

It is native to forest habitats along the west coast of the United States.

Growth Form and Size

This species is a rhizomatous perennial herb that reaches 10 to 30 centimeters in height.

Basal Leaf Structure

It typically produces a single basal leaf, divided into three large toothed leaflets that each grow up to 6 centimeters long.

Stem Leaf Structure

Additional leaves similar in appearance to the basal leaf’s leaflets may grow along its mostly bare stem.

Inflorescence Structure

The inflorescence bears three leaf-like bracts and one single flower.

Flower Sepal Characteristics

The flower does not have true petals; instead it has five petal-shaped white sepals that measure 1 to 2 centimeters long each.

Flower Reproductive Parts

It holds up to 120 thin whiskery stamens and numerous pistils.

Fruit Type

Its fruit forms as a cluster of spherical achenes.