Juncus marginatus

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Common names: grassleaf rush; grass-leaved rush; marginal rush

Juncus marginatus
Juncus marginatus BM.JPG
Photo by John B
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Moncots
Order: Juncales
Family: Juncaceae
Genus: Juncus
Species: J. marginatus
Binomial name
Juncus marginatuss
Rostk.
JUNC MARG DIST.JPG
Natural range of Juncus marginatus from USDA NRCS Plants Database.

Taxonomic Notes

Synonyms: Juncus marginatus var. marginatus, Juncus marginatus var. setosus Coville, J. setosus (Coville)

Varieties: none

Description

J. marginatus is a perennial graminoid in the Juncaceae family. It is native to North America [1]. This species is very similar to the many other species of rush "stems clump-forming, somewhat flattened, to 4 ft. tall; leaf blades flat, to 1/4 in. wide, pointed tips; inflorescences at stem tip, from very compact to much-branched and open, having several-200 clusters of flowers and fruits; flowers dark brown, stiff; seed capsules to 1/8 in. long, elliptic with rounded 3-lobed tops, reddish brown, shiny; seeds irregular, amber" [2].

Distribution

This species is native to the majority of the U.S. It is most common throughout the southeastern and eastern United States [1].

Ecology

Habitat

This species lives in "wet meadows, bogs, generally throughout in wet, sandy or peaty soil" [3].

Phenology

J. marginatus flowers June through September [3].

Conservation and Management

Cultivation and restoration

Photo Gallery

References and notes

  1. 1.0 1.1 USDA Plants Database URL: https://plants.usda.gov/core/profile?symbol=JUMA4
  2. UF IFAS Plant Directory URL: https://plants.ifas.ufl.edu/plant-directory/juncus-marginatus/
  3. 3.0 3.1 Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.