Anemone deltoidea
Encyclopedia
Anemone deltoidea is a species of flowering plant in the buttercup family
Ranunculaceae
Ranunculaceae are a family of about 1700 species of flowering plants in about 60 genera, distributed worldwide....

 known by the common names Columbian windflower and western white anemone. It is native to the forests of the west coast of the United States. This is a rhizomatous
Rhizome
In botany and dendrology, a rhizome is a characteristically horizontal stem of a plant that is usually found underground, often sending out roots and shoots from its nodes...

 perennial herb growing between 10 and 30 centimeters tall. There is usually a single basal leaf which is divided into three large toothed leaflets, each up to 6 centimeters long. There may be more leaves along the mostly naked stem which are similar in appearance to the leaflets on the basal leaf. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

 has three leaflike bract
Bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are often different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture...

s and a single flower. The flower has no petals but five petal-like white sepal
Sepal
A sepal is a part of the flower of angiosperms . Collectively the sepals form the calyx, which is the outermost whorl of parts that form a flower. Usually green, sepals have the typical function of protecting the petals when the flower is in bud...

s each one to two centimeters long. There are up to 120 whiskery stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...

s and many pistils
Gynoecium
Gynoecium is most commonly used as a collective term for all carpels in a flower. A carpel is the ovule and seed producing reproductive organ in flowering plants. Carpels are derived from ovule-bearing leaves which evolved to form a closed structure containing the ovules...

. The fruit is a cluster of spherical achene
Achene
An achene is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate and indehiscent...

s.

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