Carex decomposita

Classification	Monocots
Family	Cyperaceae
Family (Traditional)	Cyperaceae
Genus	Carex
Species:	Carex decomposita Muhl.
Common Name	Cypressknee Sedge
Growth Habit	graminoid
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Leaf Arrangement: alternate; 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; Anther Type: Basifixed; 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; Petal Fusion: N/A; Pistil Complexity: Compound; Pistil Number: 1; Placentation Type: Basal; Sepal Fusion: N/A; Sepal Number: 0; Sporangium Arrangement: N/A; Stamen Number: 3; Tepal Fusion: N/A; Tepal Number: 0
C value	8
Status	Native; AGCP (OBL), EMP (OBL) (NWPL); TN[S2] KY[S2] (State Rank); G3G4 (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

No synonyms exist for this species.

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: Carlisle (KY), Edmonson (KY), Hart (KY), Hickman (KY), Logan (KY), Fayette (TN), Grundy (TN), Montgomery (TN), Robertson (TN), Warren (TN), White (TN)

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

Range of years during which specimens were collected: 1944 - 2016

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
BEREA003386	Edmonson	Kentucky			BEREA Carex decomposita
APSC0083785	Hart	Kentucky			APSC Carex decomposita
APSC0059836	Edmonson	Kentucky	01 Jan 1970		APSC Carex decomposita
TENN-V-0047756	Montgomery	Tennessee			TENN Carex decomposita
TENN-V-0053567	Edmonson	Kentucky			TENN Carex decomposita
APSC0059838	Edmonson	Kentucky	04 Jun 1971		APSC Carex decomposita
APSC0054902	Logan	Kentucky	01 May 2016	Mason Brock	APSC Carex decomposita
APSC0111017	White	Tennessee			APSC Carex decomposita
31234100053345	Hickman	Kentucky		Raymond Athey	EKY Carex decomposita
TENN-V-0047753	Fayette	Tennessee			TENN Carex decomposita
TENN-V-0053566	Carlisle	Kentucky			TENN Carex decomposita
TENN-V-0047757	Robertson	Tennessee			TENN Carex decomposita
TENN-V-0047755	Montgomery	Tennessee			TENN Carex decomposita
TENN-V-0047754	Grundy	Tennessee			TENN Carex decomposita
APSC0037357	Montgomery	Tennessee	24 Jun 1950	Alfred Clebsch	APSC Carex decomposita
APSC0059837	Hickman	Kentucky			APSC Carex decomposita
31234100053337	Carlisle	Kentucky		Raymond Athey	EKY Carex decomposita
TENN-V-0047758	Warren	Tennessee			TENN Carex decomposita
APSC0037356	Montgomery	Tennessee	26 May 1993	Edward Chester	APSC Carex decomposita
UCHT035060	Hickman	Kentucky			UCHT Carex decomposita
APSC0037359	Robertson	Tennessee	23 Jul 1944	R.E. Shanks	APSC Carex decomposita
APSC0037361	Montgomery	Tennessee	01 Jul 1950	Alfred Clebsch	APSC Carex decomposita
TENN-V-0053568	Hickman	Kentucky			TENN Carex decomposita
APSC0067552	Hart	Kentucky	15 May 1991	Max Medley	APSC Carex decomposita
APSC0076242	Hickman	Kentucky			APSC Carex decomposita
APSC0059835	Carlisle	Kentucky			APSC Carex decomposita
TENN-V-0245327	White	Tennessee			TENN Carex decomposita

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Carex decomposita

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos