Native Plants
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Cyperus retroflexus
Cyperus retroflexus Buckley
Oneflower Flatsedge
Cyperaceae (Sedge Family)
Synonym(s): Cyperus uniflorus
USDA Symbol: CYRE14
USDA Native Status: L48 (N)
From the Image Gallery
Plant Characteristics
Duration: PerennialHabit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Inflorescence: Spike
Fruit Type: Achene
Size Notes: Up to about 32 inches tall.
Fruit: Tan to red brown
Bloom Information
Bloom Color: White , Green , BrownBloom Time: Jul , Aug , Sep
Bloom Notes: Perianth absent. Bloom time denotes fruiting period for Cyperus spp.
Distribution
USA: AL , AR , AZ , LA , MO , MS , NM , OK , TXFrom the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Pineywoods Native Plant Center - Nacogdoches, TX
Wildflower Center Seed Bank
LBJWC-MLE-37 Collected 2010-09-30 in Nacogdoches County by Lady Bird Johnson Wildflower CenterWeb Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Cyperus retroflexus in USDA PlantsFNA: Find Cyperus retroflexus in the Flora of North America (if available)
Google: Search Google for Cyperus retroflexus
Metadata
Record Modified: 2023-02-03Research By: TWC Staff