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Gray's flatsedge
Scientific Name: Cyperus grayi
Family: Cyperaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names: NH (Gray's umbrella-sedge)
Cyperus grayi - Gray's Flatsedge
Cyperus grayi, commonly known as Gray's flatsedge, is a native plant found in specific habitats within the United States.
Taxonomy and Nomenclature
- Scientific Name: Cyperus grayi Torr.
- Common Name: Gray's Flatsedge
- Family: Cyperaceae (Sedge family)
- Synonyms: Flora of Virginia lists Cyperus grayi Torrey as the accepted name.
Distribution and Habitat
- Cyperus grayi is native to the north and south Atlantic coast of the USA.
- It thrives in sandy soils, including dunes, protected beaches, and open woodlands near the coast.
- Specific occurrences have been reported in Connecticut, Delaware, and Massachusetts (Salisbury).
Morphological Characteristics
- Forms a clump of stems.
- Has many rays.
- Possesses bulbous roots.
Related Species
- Mentions other Cyperus species such as Cyperus cuspidatus (Coastal Plain Flatsedge), Cyperus dentatus (Toothed Flatsedge), Cyperus haspan (Sheathed Flatsedge), Cyperus esculentus (chufa flatsedge, yellow nut-grass), Cyperus lancastriensis (manyflower flatsedge) and Cyperus retrorsus var. retrorsus (Retrorse Flatsedge).
Resources and Further Information
- USDA-NRCS PLANTS Database
- ITIS (Integrated Taxonomic Information System)
- Gray's Manual of Botany