''Juncus confusus'' is a species of

rush Rush(es) may refer to: Places United States * Rush, Colorado * Rush, Kentucky * Rush, New York * Rush City, Minnesota * Rush Creek (Kishwaukee River tributary), Illinois * Rush Creek (Marin County, California), a stream * Rush Creek (Mono Cou ...

known by the common name Colorado rush. It is native to western North America from

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

to northern

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 ...

Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of t ...

, where it grows in

coniferous forests Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All extant ...

and wet, grassy areas such as mountain meadows. It is a bunching

rhizomatous In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

perennial herb which grows to a maximum height between 30 and 50 centimeters. Its thready leaves grow from the base of the light green stems to about 15 centimeters long. The

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. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

atop the stem is an array of individual flowers and there is a long

bract In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...

at the base which may be up to 8 centimeters in length. Each flower has long, pointed

tepal A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals. This may be because the parts of the perianth are undifferentiated (i.e. of very ...

s with dark and light longitudinal stripes and membranous, translucent borders. There are six

stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filame ...

s. The fruit is a light to dark brown oval-shaped or rounded capsule.

External links

Jepson Manual TreatmentPhoto gallery
confusus Plants described in 1896 Flora of the Western United States Flora of Western Canada Flora without expected TNC conservation status {{Poales-stub