Family: Juncaceae
Author: Wiegand
Bibliography: Bull. Torrey Bot. Club 27: 524 (1900)
Year: 1900
Status: accepted
Rank: species
Genus: Juncus
Vegetable: False
Observations: Canada to Mexico
Description
Dudley’s rush (Juncus dudleyi) is a species of rush belonging to the Juncaceae family. This perennial plant was described by Wiegand in a publication in the Bulletin of the Torrey Botanical Club in 1900. Dudley’s rush has a wide geographic range, extending from Canada in the north all the way to Mexico in the south. This broad distribution highlights the plant’s adaptability to various environmental conditions.
As a member of the Juncaceae family, Juncus dudleyi exhibits the typical features of rushes, with cylindrical, green stems that can grow in clusters. These stems are often erect and may reach varying heights, contributing to the plant’s distinctive grassy appearance. The leaves of Dudley’s rush are reduced to sheaths around the base of the stems, showcasing a minimalist adaptation often seen in rushes.
The reproductive structure of Juncus dudleyi, like others in its genus, includes compact inflorescences composed of small, inconspicuous flowers. These flowers are typically brownish or greenish and are adapted for wind pollination, a common trait among rushes. Following successful pollination, the plant produces small capsules containing numerous tiny seeds, which are dispersed to facilitate new growth.
Dudley’s rush is often found in wetlands, along stream banks, or in other moist, open areas. Its presence in such diverse habitats from Canada to Mexico underscores its importance in maintaining biodiversity and providing ecosystems with vital resources such as habitat and food for various wildlife species.
Overall, Juncus dudleyi is a resilient and ecologically significant plant that plays a crucial role in the ecosystems it inhabits. Its attribution by Wiegand in 1900 marks an important contribution to the botanical understanding of rush species and continues to be a subject of interest for botanists and ecologists.
Common Names
Eng: dudley rush, dudley’s rush
Deu: dudley-binse, dudley-simse
Nld: samengetrokken rus
Fra: jonc de dudley
Swe: styvtåg
Nno: tømmersiv
Nob: tømmersiv
En: Dudley’s rush, DUDLEY RUSH
Nl: Samengetrokken rus
Fr: Jonc de Dudley
De: Dudley-Binse, Dudley-Simse
Nb: Tømmersiv
Nn: Tømmersiv
Sv: Styvtåg
Synonyms
- Juncus coarctatus (Willd. ex Spreng.)
- Juncus tenuis var. uniflorus (Farw.)
- Juncus tenuis var. dudleyi ((Wiegand) F.J.Herm.)
- Juncus tenuis subsp. dudleyi ((Wiegand) P.Fourn.)
- Juncus tenuis var. platycaulos ((Kunth) Buchenau)
- Juncus andreanus (Weath.)
- Juncus platycaulos (Kunth)
Distribution
- Alberta (native)
- Arizona (native)
- Arkansas (native)
- British Columbia (native)
- California (native)
- Colorado (native)
- Connecticut (native)
- Delaware (native)
- District of Columbia (native)
- Idaho (native)
- Illinois (native)
- Indiana (native)
- Iowa (native)
- Kansas (native)
- Kentucky (native)
- Labrador (native)
- Louisiana (native)
- Maine (native)
- Manitoba (native)
- Maryland (native)
- Masachusettes (native)
- Mexico Central (native)
- Mexico Gulf (native)
- Mexico Northeast (native)
- Mexico Southwest (native)
- Michigan (native)
- Minnesota (native)
- Mississippi (native)
- Missouri (native)
- Montana (native)
- Nebraska (native)
- Nevada (native)
- New Brunswick (native)
- New Hampshire (native)
- New Jersey (native)
- New Mexico (native)
- New York (native)
- Newfoundland (native)
- North Dakota (native)
- Nova Scotia (native)
- Ohio (native)
- Oklahoma (native)
- Ontario (native)
- Oregon (native)
- Pennsylvania (native)
- Prince Edward I. (native)
- Québec (native)
- Rhode I. (native)
- Saskatchewan (native)
- South Dakota (native)
- Tennessee (native)
- Texas (native)
- Utah (native)
- Vermont (native)
- Virginia (native)
- Washington (native)
- West Virginia (native)
- Wisconsin (native)
- Wyoming (native)
- Alaska (introduced)
- Austria (introduced)
- Colombia (introduced)
- Czechoslovakia (introduced)
- Ecuador (introduced)
- El Salvador (introduced)
- France (introduced)
- Germany (introduced)
- Great Britain (introduced)
- Guatemala (introduced)
- Japan (introduced)
- Mexico Southeast (introduced)
- Netherlands (introduced)
- Northwest Territorie (introduced)
- Peru (introduced)
- Venezuela (introduced)
- Yukon (introduced)
Additional Images
Fruit
Taken Jan 1, 1900 by EOL − John Hilty (cc-by-nc)
Taken Nov 20, 2013 by EOL − Ben VanderWeide (cc-by-nc)
Habit
Taken Jan 1, 1900 by EOL − John Hilty (cc-by-nc)
Taken Nov 20, 2013 by EOL − Ben VanderWeide (cc-by-nc)
Bark
Taken Nov 24, 2013 by EOL − Ben VanderWeide (cc-by-nc)
© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.
© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.
© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.
Sources
- WFO (No URL)
- IPNI (No URL)
- GBIF (https://www.gbif.org/species/2701831)
- POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:132109-2)
- PlantNet (https://identify.plantnet.org/species/the-plant-list/Juncus dudleyi Wiegand)
Specifications
Growth habit>: Graminoid
Growth
Ph maximum: 6.5
Ph minimum: 5.5
Light: 4
Atmospheric humidity: 5
Soil nutriments: 6