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Juncus acutus

Spiny rush

  • Height:   3 ft - 5 ft
  • Life Cycle:   perennial
  • Growth Type:   shrub
  • Flower Size:   minute
  • Inflorescence Size:   < 1 in
  • Flower Type:   clustered
  • Bloom Type:   spring
  • Flower Color:   brown
  • Native to California:   YES
  • California Range:   coast - desert - inland
  • Water Requirements:   high
  • Salt Tolerance:   high
  • Characteristics / Comments:   found in washes/riparian areas
  • Fire Resistant / Low Fuel:   TRUE
  • Average Live Seed per Bulk Pound:   7,125,000

Taxon report data from Calflora

Recommended Source for Photos:

View Juncus acutus at Calflora.com

Other Sources: Picasa | Flickr | Google Images

Juncus acutus

Common Name:Spiny rush

Juncus acutus, a monocot, is a perennial grass (rhizomatous) that is native to California.

US Distribution:beyond CA but confined to w. North America
Plant Community(s):Coastal Strand
Habitat:seeps meadows salt-marsh dunes coastal
Family:Juncaceae

Name Status:

Recognized as current in TJM2 + PLANTS + JM93

County distribution list:

Imperial, Los Angeles, Marin, Orange, Riverside, Santa Barbara, San Bernardino, Santa Clara, San Diego, San Luis Obispo, Solano, Tehama, Tulare, Ventura

See a detailed Distribution Grid of this plant in Calfornia.

Links: USDA Plants Profile | Jepson Herbarium

Website references on Google

Bloom Months
(Blooming months in blue)