Lepidium pinnatifidum
Encyclopedia
Lepidium pinnatifidum is a species of flowering plant in the mustard family
known in English by the common name featherleaf pepperweed.
, particularly California
. This is an annual or perennial herb growing a single erect stem up to half a meter tall. The inflorescence
is a raceme
of tiny flowers made up mostly of millimeter-long sepal
s. There are usually no petals, but there occasionally appears a vestigial white petal. The fruit is a rounded, notched capsule only about 2 millimeters long.
Brassicaceae
Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....
known in English by the common name featherleaf pepperweed.
Origin
It is native to Europe, central Asia, and the Middle East. It is known elsewhere as an introduced speciesIntroduced species
An introduced species — or neozoon, alien, exotic, non-indigenous, or non-native species, or simply an introduction, is a species living outside its indigenous or native distributional range, and has arrived in an ecosystem or plant community by human activity, either deliberate or accidental...
, particularly 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...
. This is an annual or perennial herb growing a single erect stem up to half a meter tall. 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...
is a raceme
Raceme
A raceme is a type of inflorescence that is unbranched and indeterminate and bears pedicellate flowers — flowers having short floral stalks called pedicels — along the axis. In botany, axis means a shoot, in this case one bearing the flowers. In a raceme, the oldest flowers are borne...
of tiny flowers made up mostly of millimeter-long 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. There are usually no petals, but there occasionally appears a vestigial white petal. The fruit is a rounded, notched capsule only about 2 millimeters long.