Boykinia occidentalis
Encyclopedia
Boykinia occidentalis is a species of flowering plant in the saxifrage family
known by the common name coastal brookfoam. It is native to the west coast of North America from British Columbia
to California
, where it grows in shady areas near riverbanks and streams. It is a rhizomatous
perennial herb producing large, rounded leaves with blades up to 45 centimeters long and 12 wide, borne on petioles
up to 30 centimeters in length. Each leaf has several rounded lobes with dull teeth along the edges. The inflorescence
reaches 30 to 60 centimeters tall on a thin stem. It bears an open array of many small white flowers, each with five tiny pointed sepal
s and five larger oval petals.
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 coastal brookfoam. It is native to the west coast of North America from British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
to 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 shady areas near riverbanks and streams. 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 producing large, rounded leaves with blades up to 45 centimeters long and 12 wide, borne on petioles
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...
up to 30 centimeters in length. Each leaf has several rounded lobes with dull teeth along the edges. 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...
reaches 30 to 60 centimeters tall on a thin stem. It bears an open array of many small white flowers, each with five tiny pointed 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 and five larger oval petals.