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manyspike flatsedge
Scientific Name: Cyperus polystachyos
Family: Cyperaceae
Category: Monocot
Growth: Graminoid
Duration: Annual, Perennial
Other Names: NJ (coast flat sedge), PA (many-spiked flatsedge)
Manyspike Flatsedge (Cyperus polystachyos)
Cyperus polystachyos, commonly known as Manyspike Flatsedge, is a herbaceous species belonging to the Cyperaceae (Sedge) family.
Considerations for Pets
- This plant produces seeds, and contact with seeds may present a choking hazard for pets.
Taxonomy and Nomenclature
- Scientific Name: Cyperus polystachyos Rottb.
- Common Names: Manyspike Flatsedge, Bunchy Sedge, Field Sedge
- Family: Cyperaceae (Sedge family)
- Synonyms: Pycreus polystachyos (Rottboll) P. Beauvois
- Subspecies/Varieties:
- Cyperus polystachyos Rottb. var. polystachyos
- Cyperus polystachyos var. paniculatus (Rottb.) C.B. Clarke
- Cyperus polystachyos var. leptostachyus Boeckeler
Distribution and Habitat
- This plant is found in various regions, including Hawaii.
- It is also found in Africa, South and East Asia, Australia, and from Eastern North America to Southern South America, and is introduced elsewhere.
- It can be found in ditches, roadsides, and cultivated areas.
Morphological Characteristics
- Manyspike Flatsedge is a graminoid (grass-like) plant.
- It can be either an annual or perennial tufted sedge.
Ecological Role
- The plant's seeds are dispersed by water and soil.
Other Characteristics
- Bloom period: Mid-summer
- Flower color: Green
- Drought tolerance: Low
- Leaf type: Deciduous
Further Information
- Discover Life provides information about the biology, natural history, ecology, identification, and distribution of Cyperus polystachyos.
- The USDA-NRCS PLANTS Database also contains information.