''Juncus macrophyllus'' 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 longleaf rush. It is native to the southwestern United States and

Baja California Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...

, where it grows in wet spots in several types of local habitat, such as

chaparral Chaparral ( ) is a shrubland plant community and geographical feature found primarily in the U.S. state of California, in southern Oregon, and in the northern portion of the Baja California Peninsula in Mexico. It is shaped by a Mediterranean c ...

Description

''Juncus macrophyllus'' is a

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 forming tufts of stems up to one meter tall. 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 ...

is an open array of many clusters of a few flowers each. The flower has several segments each about 5 millimeters long.

External links

Calflora Database: ''Juncus macrophyllus'' (long leaved rush)Jepson Manual eFlora (TJM2) treatment of ''Juncus macrophyllus''UC Photos gallery — ''Juncus macrophyllus''
macrophyllus Flora of California Flora of Arizona Flora of Baja California Flora of the California desert regions Natural history of the California chaparral and woodlands Natural history of the Mojave Desert Natural history of the Peninsular Ranges Natural history of the Santa Monica Mountains Natural history of the Transverse Ranges Plants described in 1902 Flora without expected TNC conservation status {{Poales-stub