Cenchrus longispinus

Classification	Monocots
Family	Poaceae
Family (Traditional)	Poaceae
Genus	Cenchrus
Species:	Cenchrus longispinus (Hack.) Fernald
Common Name	Mat Sandbur
Growth Habit	graminoid
Plant Notes	**
Characteristics	Armaments: Yes; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Xeric; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Region of Origin: North America; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; 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: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sporangium Arrangement: N/A
C value	1
Status	Native; AGCP (FACU), EMP (UPL) (NWPL); TN[SNR] KY[S4] (State Rank); G5 (Global Rank)
Specimen(s)	View and Download Specimen Details »

** Not applicable or data not available.

View More Photos »

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
Show/Hide Ecoregions
Show/Hide Ecoregion Labels

Synonyms

Synonym	Full Citation
Cenchrus carolinianus	Cenchrus carolinianus Walt.
Cenchrus echinatus f. longispina	Cenchrus echinatus f. longispina Hack.
Cenchrus pauciflorus var. longispinus	Cenchrus pauciflorus var. longispinus (Hack.) Jansen & Wacht.
Nastus carolinianus	Nastus carolinianus (Walter) Lunell

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: Ballard (KY), Campbell (KY), Estill (KY), Greenup (KY), Jefferson (KY), McCracken (KY), Hamblen (TN), Hamilton (TN), Knox (TN), Lake (TN), Shelby (TN), Stewart (TN), Tipton (TN)

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

Range of years during which specimens were collected: 1939 - 1994

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
N/A	Estill	Kentucky	25 Aug 1994	Gary W. Libby 454	EKY Cenchrus longispinus
N/A	Ballard	Kentucky	01 Aug 1994	Randy L. Mears	EKY Cenchrus longispinus
N/A		Tennessee	08 Sep 1983	Henry R. DeSelm 375	EKY Cenchrus longispinus
N/A	Ballard	Kentucky	03 Sep 1978	Raymond Athey	EKY Cenchrus longispinus
N/A	McCracken	Kentucky	15 Aug 1976	Raymond Athey 3566	EKY Cenchrus longispinus
BEREA005596	Campbell	Kentucky			BEREA Cenchrus longispinus
31973000021252	Estill	Kentucky	25 Aug 1994	Libby, Gary 454	KNK Cenchrus longispinus
TENN-V-0024597	Knox	Tennessee			TENN Cenchrus longispinus
TENN-V-0024599	Lake	Tennessee			TENN Cenchrus longispinus
TENN-V-0024600	Shelby	Tennessee			TENN Cenchrus longispinus
TENN-V-0024598	Knox	Tennessee			TENN Cenchrus longispinus
TENN-V-0024595	Hamblen	Tennessee			TENN Cenchrus longispinus
TENN-V-0024596	Knox	Tennessee			TENN Cenchrus longispinus
UCHT002323	Knox	Tennessee			UCHT Cenchrus longispinus
UCHT002325	Hamilton	Tennessee			UCHT Cenchrus longispinus
APSC0097065	Jefferson	Kentucky			APSC Cenchrus longispinus
APSC0063226	Ballard	Kentucky			APSC Cenchrus longispinus
APSC0097054	Campbell	Kentucky			APSC Cenchrus longispinus
APSC0097060	McCracken	Kentucky			APSC Cenchrus longispinus
APSC0097063	Jefferson	Kentucky			APSC Cenchrus longispinus
APSC0087656	Jefferson	Kentucky			APSC Cenchrus longispinus
APSC0097053	Campbell	Kentucky			APSC Cenchrus longispinus
APSC0097064	Jefferson	Kentucky			APSC Cenchrus longispinus
APSC0087457	Ballard	Kentucky			APSC Cenchrus longispinus
APSC0097055	Greenup	Kentucky			APSC Cenchrus longispinus
APSC0034355	Stewart	Tennessee	28 Aug 1988	Edward Chester	APSC Cenchrus longispinus
APSC0097059	Knox	Tennessee			APSC Cenchrus longispinus
APSC0063227	McCracken	Kentucky			APSC Cenchrus longispinus
N/A		Tennessee	08 Sep 1983	Henry R. DeSelm 375	EKY Cenchrus longispinus
SWMT00780		Tennessee	25 May 1939	A.F.W.	SWMT Cenchrus carolinianus
MEM007828	Shelby	Tennessee	26 Aug 1971	John E. Thompson Jr. 439	MEM Cenchrus longispinus
MEM005560	Ballard	Kentucky	13 Sep 1968	Raymond Athey 456	MEM Cenchrus longispinus
MEM010859	Tipton	Tennessee	28 Jul 1968	Sarah J. Warrington 236	MEM Cenchrus longispinus
N/A		Tennessee	08 Sep 1983	Henry R. DeSelm 375	EKY Cenchrus longispinus

View a List of All Ecological Communities

Cenchrus longispinus

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos