Anemone parviflora
Encyclopedia
Anemone parviflora is a herbaceous
Herbaceous
A herbaceous plant is a plant that has leaves and stems that die down at the end of the growing season to the soil level. They have no persistent woody stem above ground...

 plant species in the genus Anemone
Anemone
Anemone , is a genus of about 120 species of flowering plants in the buttercup family Ranunculaceae in the north and south temperate zones...

and family Ranunculaceae
Ranunculaceae
Ranunculaceae are a family of about 1700 species of flowering plants in about 60 genera, distributed worldwide....

. Plants grow 10 to 30 cm tall, from a thin, 2 mm thick rhizome
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...

. Stem leaves without 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, basal
Anatomical terms of location
Standard anatomical terms of location are designations employed in science that deal with the anatomy of animals to avoid ambiguities that might otherwise arise. They are not language-specific, and thus require no translation...

 leaves few with long petioles and deeply 3-parted. Plants flowering late spring to mid summer with the flowers composed of 5 or 6 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 normally white or soft bluish colored, 8 to 13 mm long. The plants produce one peduncle
Peduncle (botany)
In botany, a peduncle is a stem supporting an inflorescence, or after fecundation, an infructescence.The peduncle is a stem, usually green and without leaves, though sometimes colored or supporting small leaves...

 with one solitary flower. Fruits in heads ovoid in shape, 10 mm long or less, fruits densely woolly, not winged and with straight 1 to 2.5 mm long beaks.

Native to central and western North America mostly in Canada and Alaska but also south to Idaho and even into Utah were it is found growing on wet rocky ledges, meadows and along stream banks in normally calcareous soils.
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