Lithophragma campanulatum
Encyclopedia
Lithophragma campanulatum is a species of flowering plant in the saxifrage family
Saxifragaceae
Saxifragaceae is a plant family with about 460 known species in 36 genera. In Europe there are 12 genera.The flowers are hermaphroditic and actinomorphic...

 known by the common name Siskiyou Mountain woodland star. It is native to southern Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

 and northern California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, where it grows in the forests and woods of the mountains. It 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 erect or leaning with a tall naked flowering stem. The leaves are mostly located on the lower part of the stem, each divided into rounded lobes, sometimes narrowed into teeth. The stem bears 2 to 11 flowers, each in a cuplike calyx of red or green 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. The five petals are white, under one centimeter long, and divided into irregular toothlike lobes.

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