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coastal flatsedge

Scientific Name: Cyperus pennatiformis var. pennatiformis

Family: Cyperaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Coastal Flatsedge (Cyperus pennatiformis)

The Coastal Flatsedge, scientifically known as Cyperus pennatiformis, is a rare species of sedge native to Hawaii.

Considerations for Pets

  • Information indicates that Coastal Flatsedge is considered not safe for dogs and cats.

Considerations for Children

  • Information indicates that Coastal Flatsedge is considered not safe for children.

Taxonomy and Nomenclature

  • Scientific Name: Cyperus pennatiformis
  • Common Name: Coastal Flatsedge
  • Family: Cyperaceae
  • Group: Monocot
  • Synonym: Formerly known as Mariscus pennatiformis
  • Varieties:
    • Cyperus pennatiformis var. pennatiformis
    • Cyperus pennatiformis var. bryanii Kk. – Bryan's flatsedge
  • Symbol: CYPE3

Distribution and Habitat

  • Endemic to Hawaii.
  • Typically found in coastal habitats.
  • Also mentioned in the context of coastal prairies.

Morphological Characteristics and Growth Habits

  • Plant Type: Graminoid.
  • Growth Habit: Perennial.
  • Possesses a robust root system.

Quirky Facts

  • While mostly known from Suffolk County, there were two collections of this rare flatsedge from Queens County in the 1890s.

Related Species

  • Cyperus parishii - Parish’s Flatsedge
  • Cyperus phaeolepis - Madagascar Flatsedge
  • Cyperus cuspidatus Kunth - Coastal Plain Flatsedge
  • Cyperus grayi - Gray's Flatsedge
  • Cyperus flavicomus - White-edge Flatsedge
  • Cyperus surinamensis
  • Cyperus odoratus - Fragrant Flatsedge
  • Cyperus esculentus L. - Chufa Flatsedge

Further Information

  • Encyclopedia of Life
  • Discover Life
  • Plants of Hawaii (Forest and Kim Starr)
  • MyTreeDB