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rosette grass

Scientific Name: Dichanthelium

Family: Poaceae

Category: Monocot

Growth:

Duration:

Other Names:

       

Dichanthelium: The Rosette Grasses

Dichanthelium is a genus of flowering plants belonging to the grass family, Poaceae. These grasses are commonly known as rosette grasses.

Considerations for Pets

  • Some Dichanthelium species are also referred to as panicgrasses.
  • The text mentions scattered hairs on some leaf blades.

Considerations for Children

  • Some Dichanthelium species are also referred to as panicgrasses.
  • The text mentions scattered hairs on some leaf blades.

Taxonomy and Nomenclature

  • Scientific Name: Dichanthelium (Hitchc. & Chase) Gould
  • Family: Poaceae (Grass family)
  • Order: Poales
  • Synonyms:
    • Panicum helleri
    • Panicum scribnerianum
    • Panicum scoparium
    • Panicum leibergii (Vasey) Scribner

Common Names

  • Rosette Grasses
  • Scribner Panic, Scribner Panicum
  • Heller's Rosette Grass
  • Tapered Rosette Grass
  • Eaton's Rosette Grass
  • Woolly Rosette Grass, Rough Panicgrass
  • Needleleaf Rosette Grass
  • Leiberg's Rosette Grass

Notable Species and Varieties

  • Dichanthelium acuminatum (Sw.) Gould & C.A. Clark (Tapered Rosette Grass)
    • Dichanthelium acuminatum var. acuminatum
  • Dichanthelium aciculare (Needleleaf Rosette Grass)
  • Dichanthelium boscii
  • Dichanthelium commutatum (Schult.) Gould senso
  • Dichanthelium laxiflorum (Slim-leaf Panicgrass)
  • Dichanthelium linearifolium (Coastal Plain Panicgrass)
  • Dichanthelium meridionale (Ashe) Freckmann
    • Synonym: Dichanthelium acuminatum ssp. implicatum
  • Dichanthelium ovale var. addisonii (Addison's Rosette Grass)
  • Dichanthelium oligosanthes (Schult.) Gould
    • Dichanthelium oligosanthes var. oligosanthes (Heller's Rosette Grass)
    • Dichanthelium oligosanthes var. scribnerianum (Nash) Gould (Scribner's Rosette Grass)

Distribution and Habitat

  • Woolly Rosette Grass is found from Texas to southern New England.

Morphological Characteristics

  • The base of the plant is flat, showing a rosette of wide but short basal leaves in winter.
  • Leaf blades may have a few scattered hairs.

Reproduction

  • The flowers of some species remain closed and are self-pollinated (e.g., Dichanthelium oligosanthes var. oligosanthes).
  • Some species produce open-pollinated (chasmogamous) flowers initially.

Ecological Role

  • Mentioned in context with wetland and wildlife habitats.

Quirky Facts

  • The common name of Dichanthelium acuminatum was changed from "hairy panicgrass" to "tapered rosette grass" on February 9, 2016.

Further Information

  • Discover Life: Discover Life's page about Dichanthelium
  • USDA-NRCS PLANTS Database