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yellowfruit sedge

Scientific Name: Carex annectens

Family: Cyperaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Yellow-Fruited Sedge: A Detailed Overview

This page provides comprehensive information about Yellow-Fruited Sedge, a plant known for its distinctive yellow flower spikelets and ecological importance.

Considerations for Pets

  • The text mentions that sedges generally have stiffer leaves than grass, even in seedling stages.
  • Some varieties have hard spiky stars clustered atop short stems.

Considerations for Children

  • The text mentions that sedges generally have stiffer leaves than grass, even in seedling stages.
  • Some varieties have hard spiky stars clustered atop short stems.

Nomenclature and Taxonomy

  • Scientific Name: Carex vulpinoidea var. ambigua (one example given in the text).
  • Common Names: Yellow-Fruited Sedge, Fox Sedge, Fruited Sedge, Common Yellow Sedge.
  • Other Scientific Names Mentioned:
    • Carex brachyglossa (aka).
    • Carex serotina (old name).
    • Carex viridula (old name).
    • Carex annectens
  • The plant belongs to the sedge family (Cyperaceae).
  • Other Carex species mentioned include:
    • Carex vulpinoidea (Common Fox Sedge).
    • Carex oederi (Small-fruited Yellow-sedge).
    • Carex viridula ssp viridula.
    • Carex atlantica ssp. atlantica (Prickly Bog Sedge, Atlantic Sedge).
    • Carex aurea (Golden-fruited Sedge).
    • Carex norvegica (Close-headed Alpine-sedge).
    • Carex ornithopoda (Birdsfoot Sedge).
    • Carex otrubae (False Sedge).
    • Carex appalachica (Appalachian Sedge).
    • Carex barbarae (Santa Barbara Sedge).
    • Carex berggrenii (Bronze Creeping Sedge).
    • Carex plantaginea (Plantain-leaved Sedge).
    • Carex supina ssp. spaniocarpa (Weak Arctic Sedge).
    • Carex bicknellii (Bicknell's Sedge).
    • Carex blanda (Woodland Sedge).
    • Carex brevior (Straw Sedge).
    • Carex cryptolepis (Northeastern Sedge, Hiddenscale Sedge, Small Yellow Sedge).
    • Carex echinata (Large-fruited Star Sedge).
    • Carex comosa (Bearded Sedge).
    • Carex pilulifera (Pill Sedge).
    • Carex acutiformis (Lesser Pond Sedge, Pendulous Sedge).

Distribution and Habitat

  • Yellow-Fruited Sedge is found in open, wet soil.
  • One source mentions it as common in dry fields and along trackways.
  • Yellow nutsedge (Cyperus esculentus), a related species, is native to North America and Eurasia, but is found throughout the world.

Morphological Characteristics

  • Yellow-fruited sedge is similar in appearance to common fox sedge (Carex vulpinoidea).
  • The flowering stems are described as longer.
  • It forms compact tufts of fine foliage.
  • Fruits are 3-4 mm long, including a beak of approximately 0.8-1.2 mm.
  • The plant can grow to be 2-4 feet tall and more or less erect.
  • A small (5-30cm tall) densely tufted sedge with yellow-green leaves.
  • Fruits are oval, 3-angled, single-seeded, and yellowish brown.
  • Pistillate spikelets become yellow and finally brown as they mature.

Ecological Role

  • The seed of Yellow-Fruited Sedge is important to waterfowl and songbirds, providing food and nesting cover.
  • Awl Fruited Sedge is an important component of wetland seed mixes.
  • Yellow nutsedge (Cyperus esculentus) is described as a perennial weed.

Flowering and Fruiting

  • Flowers form in May, and seeds develop in June.
  • Bloom time is from July to August.
  • Fruit develops from late spring through mid-summer.
  • The plant features attractive yellow flower spikelets.
  • Sprays of golden yellow seedheads are a prominent feature in the summer.
  • The fruit (fluffy white seed heads) makes this plant conspicuous and easy to identify.

Quirky Facts

  • One entry refers to the plant as a "delightful dwarf grass with sizeable, hard spiky stars clustered atop short."
  • Yellow nutsedge (Cyperus esculentus) is also called chufa sedge, nut grass, yellow nutsedge, tiger nut sedge, or earth almond.

Further Resources

  • Dave's Garden is mentioned as a resource for garden tips and ideas.
  • TERMIUM is the Government of Canada's terminology and linguistic data bank.