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greater brown sedge

Scientific Name: Carex brunnea

Family: Cyperaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Carex brunnea: Greater Brown Sedge

Carex brunnea, commonly known as Greater Brown Sedge, is a popular horticultural plant appreciated for its lively movement and year-round fresh green color.

Considerations for Pets

  • The plant has erect, trigonous culms which are smooth below and scabrous (rough) above.
  • It is often found in gardens and used around ponds.

Taxonomy and Nomenclature

  • Scientific Name: Carex brunnea Thunb.
  • Common Name: Greater Brown Sedge
  • Kingdom: Plantae
  • Taxonomic Rank: Species
  • Taxonomic Status: Accepted

Distribution and Habitat

  • Greater Brown Sedge is distributed across northeastern Africa, temperate and tropical Asia, and Australia.
  • It thrives in constantly moist to boggy soils, often found in ditches, ponds, canals, and fens.
  • It can be found in wet, flushy areas, including heathland environments.

Morphological Characteristics

  • The plant features short, densely tufted rhizomes.
  • Culms (stems) are erect, trigonous (triangular), smooth below and scabrous above, ranging from 25-80 cm in length and approximately 1 mm in diameter.
  • The Greater Pond Sedge, possibly confused with Greater Brown Sedge, has tall, triangular stems and bright green, blade-like leaves.
  • The leaves are quite erect and fairly broad (6 to 15 mm wide).
  • Dark brown spikelets containing the flowers appear in tight clusters.

Ecological Role

  • It can provide habitat for frogs around ponds or dams.
  • It is used in erosion control.

Cultivation and Care

  • It is an evergreen sedge suitable for hardiness zones 9-10.
  • It thrives in hot overhead sun to dappled light.
  • The plant prefers constantly moist to usually boggy, enriched soil.
  • Fertilization is recommended every 15-20 days in the spring, using a fertilizer suitable for irrigation.

Associations

  • In some locations, it may be found in association with hairy sedge Carex hirta, and greater pond sedge C. riparia.

Further Resources

  • PlantNET
  • Dave's Garden
  • RHS (Royal Horticultural Society)
  • USDA (United States Department of Agriculture)
  • Discover Life
  • Koubachi Plant Library
  • Alamy Stock Photos
  • Visualphotos.com