Lithophragma affine
Encyclopedia
Lithophragma affine is a species of flowering plant in the saxifrage family
known by the common name San Francisco woodland star. It is native to the coast of western North America from Oregon
to Baja California
, where it grows in open habitat on mountain slopes, hills, and canyonsides. It is a rhizomatous
perennial herb growing erect or leaning with a tall naked flowering stem. The leaves are located on the lower part of the stem, each divided into sharp-pointed lobes. The stem bears up to 15 widely-spaced flowers, each in a cuplike calyx of red or green sepal
s. The five petals are bright white, up to 1.3 centimeters long, and divided into three toothlike lobes at the tips.
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 San Francisco woodland star. It is native to the coast of western North America from 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...
to Baja California
Baja California
Baja California officially Estado Libre y Soberano de Baja California is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is both the northernmost and westernmost state of Mexico. Before becoming a state in 1953, the area was known as the North...
, where it grows in open habitat on mountain slopes, hills, and canyonsides. 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 located on the lower part of the stem, each divided into sharp-pointed lobes. The stem bears up to 15 widely-spaced 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 bright white, up to 1.3 centimeters long, and divided into three toothlike lobes at the tips.