''Boechera dispar'' is a species of flowering plant in the family Brassicaceae known by the common name pinyon rockcress. It is native to eastern

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

and western

Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...

, where it grows in rocky areas in desert and mountain habitat. This is a perennial herb growing from a branching

caudex A caudex (plural: caudices) of a plant is a stem, but the term is also used to mean a rootstock and particularly a basal stem structure from which new growth arises.pages 456 and 695 In the strict sense of the term, meaning a stem, "caudex" is m ...

. It produces several erect stems reaching 10 to 25 centimeters tall. The leaves are mostly located about the caudex. They are linear to lance-shaped, coated in white hairs, and one or two centimeters long. The flowers have purple petals. The fruit is a long, narrow, hairless silique up to 7 centimeters long containing round, winged seeds.

External links

Jepson Manual TreatmentUSDA Plants Profile

dispar ''Dispar'' is a genus of skipper butterflies in the family Hesperiidae Skippers are a family of the Lepidoptera (moths and butterflies) named the Hesperiidae. Being diurnal, they are generally called butterflies. They were previously placed i ...

Flora of California Flora of Nevada Plants described in 1898 Flora of Northern America Flora without expected TNC conservation status {{Brassicales-stub