Cyperus croceus

Classification	Monocots
Family	Cyperaceae
Family (Traditional)	Cyperaceae
Genus	Cyperus
Species:	Cyperus croceus Vahl
Common Name	Baldwins Flatsedge
Growth Habit	graminoid
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: GRSM; Natural Area Presence: LGS; Natural Area Presence: LRC; Natural Area Presence: RCSP; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Mesic-Hydric; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Rank: 3-ranked; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Achene; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Basal; Sporangium Arrangement: N/A
C value	5
Status	Native; AGCP (FAC), EMP (FACU) (NWPL); TN[SNR] KY[SNR] (State Rank); G5 (Global Rank)
Specimen(s)	View and Download Specimen Details »

** Not applicable or data not available.

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Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

State Boundaries
Counties
Counties - Species Present

Ecoregions

Southeastern Plains
- Blackland Prarie
Blue Ridge Mountains
Ridge and Valley
Cumberland Plateau
Cumberland Mountains
Allegheny Plateau

Interior Plateau
- Bluegrass Region
- Nashville Basin
- Pennyroyal Karst Plain
- Western Highland Rim
- Eastern Highland Rim

Interior River Valleys and Hills
- Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
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Synonyms

Synonym	Full Citation
Cyperus echinatus var. multiflorus	Cyperus echinatus var. multiflorus
Mariscus globulosus	Mariscus globulosus auct. non (Aubl.) Urb.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: McCreary (KY), Madison (KY), Anderson (TN), Chester (TN), Franklin (TN), Johnson (TN), Madison (TN), Rutherford (TN), Shelby (TN), Tipton (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, ETSU, MEM, TENN, UCHT, UOS

Range of years during which specimens were collected: 1968 - 2014

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
31234100073327	McCreary	Kentucky	02 Jul 1995	Randy L. Mears s.n.	EKY Cyperus croceus
31234100073319	Madison	Kentucky	18 Aug 1993	Gary W. Libby 136	EKY Cyperus croceus
MEM010862	Tipton	Tennessee	06 Jul 1968	Sarah J. Warrington 143	MEM Cyperus croceus
MEM020864	Shelby	Tennessee	04 Sep 1971	John E. Thompson Jr. 488	MEM Cyperus croceus
31234100073301	Madison	Kentucky	18 Aug 1993	Gary W. Libby 136	EKY Cyperus croceus
BEREA003972	Madison	Kentucky	18 Aug 1993	G. W. Libby 136	BEREA Cyperus croceus
TENN-V-0037757	Anderson	Tennessee			TENN Cyperus croceus
UOS06925	Franklin	Tennessee	19 Aug 1997	Mary P. Priestley	UOS Cyperus croceus
31234100073285	Madison	Kentucky	18 Aug 1993	Gary W. Libby 136	EKY Cyperus croceus
BEREA003973	McCreary	Kentucky	02 Jul 1995	Randy L. Mears, Rob Klein s.n.	BEREA Cyperus croceus
UCHT043772	Chester	Tennessee			UCHT Cyperus croceus
TENN-V-0037756	Rutherford	Tennessee			TENN Cyperus croceus
31234100073293	Madison	Kentucky	18 Aug 1993	Gary W. Libby 136	EKY Cyperus croceus
ETSU002248	Johnson	Tennessee	28 Jul 2014	Frosty Levy	ETSU Cyperus croceus
APSC0055032	Madison	Tennessee			APSC Cyperus croceus
31234100073277	Madison	Kentucky	18 Aug 1993	Gary W. Libby 136	EKY Cyperus croceus

View a List of All Ecological Communities

Cyperus croceus

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos