Sibara virginica
Encyclopedia
Sibara virginica is a species of flowering plant in the mustard family
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 by the common name Virginia winged rockcress. It is native to North America, where it can be found throughout the southeastern quadrant of the United States and in 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...

 and 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...

 in the west. It grows in many types of habitat, including disturbed areas. It is an annual or biennial herb producing a basal rosette of leaves with comblike blades so deeply divided into many lobes that they may appear to have leaflets. It bolts one or more erect stems up to 30 centimeters tall. The flowers each have four spoon-shaped white petals a few millimeters long and purplish 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 fruit is a flattened, elongated silique
Silique
A silique or siliqua is a fruit of 2 fused carpels with the length being more than three times the width. The outer walls of the ovary usually separate when ripe, leaving a persistent partition...

up to 2.5 centimeters long containing tiny seeds.

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