''Juncus luciensis'' 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 Santa Lucia dwarf rush. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

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 ...

, where it is uncommon.''Juncus luciensis''.
The Jepson Manual. This species is an annual herb growing just a few centimeters tall. It is yellowish green in color. The leaves are up to 1.5 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 ...

contains one or two flowers with yellow-green

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. The fruit is a greenish or sometimes red-tinged capsule containing seeds which are no more than 0.4 millimeters long.''Juncus luciensis''.
Flora of North America. This plant can be found only in California, where it occurs in the

Peninsular Ranges The Peninsular Ranges (also called the Lower California province) are a group of mountain ranges that stretch from Southern California to the southern tip of the Baja California peninsula; they are part of the North American Coast Ranges, which ...

and the

Transverse Ranges The Transverse Ranges are a group of mountain ranges of southern California, in the Pacific Coast Ranges physiographic region in North America. The Transverse Ranges begin at the southern end of the California Coast Ranges and lie within Santa B ...

, as well as the Santa Lucia and

Diamond Mountains The Diamond Mountains are a mountain range along the border of Eureka and White Pine Counties, in northern Nevada, Western United States. Geography The range reaches a maximum elevation of on the summit of Diamond Peak. The range separates ...

farther north. Here it grows in moist and wet areas such as

vernal pool Vernal pools, also called vernal ponds or ephemeral pools, are seasonal pools of water that provide habitat for distinctive plants and animals. They are considered to be a distinctive type of wetland usually devoid of fish, and thus allow the safe ...

s, seeps, streambanks, and meadows.

References

{{Taxonbar, from=Q15296085 luciensis Endemic flora of California Plants described in 1986