Digitaria cognata

Classification	Monocots
Family	Poaceae
Family (Traditional)	Poaceae
Genus	Digitaria
Species:	Digitaria cognata (Schult.) Pilg.
Common Name	Fall Witchgrass
Growth Habit	graminoid
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Region of Origin: North America; 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	3
Status	Native; TN[SNR] KY[SNA] (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
Digitaria cognata subsp. cognata	Digitaria cognata subsp. cognata
Leptoloma cognata	Leptoloma cognata
Leptoloma cognatum	Leptoloma cognatum (Schult.) Chase
Leptoloma cognatum var. cognatum	Leptoloma cognatum var. cognatum
Panicum autumnale	Panicum autumnale Bosc ex Spreng.
Panicum cognatum	Panicum cognatum Schult.
Panicum fragile	Panicum fragile Kunth
Panicum nudum	Panicum nudum Walter

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), Fulton (KY), Livingston (KY), McCracken (KY), Marshall (KY), Bedford (TN), Carroll (TN), Davidson (TN), Hamilton (TN), Meigs (TN), Robertson (TN), Wilson (TN)

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

Range of years during which specimens were collected: 1968 - 1978

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
31234100140316	Livingston	Kentucky	28 Sep 1978	Raymond Athey 4270	EKY Leptoloma cognatum
31234100140308	Ballard	Kentucky	05 Oct 1978	Raymond Athey 4288	EKY Leptoloma cognatum
31234100140332	McCracken	Kentucky	27 Sep 1978	Raymond Athey 4260	EKY Leptoloma cognatum
31234100140324	Marshall	Kentucky	27 Sep 1978	Raymond Athey 4261	EKY Leptoloma cognatum
TENN-V-0018396	Hamilton	Tennessee			TENN Digitaria cognata
TENN-V-0018745	Marshall	Kentucky			TENN Leptoloma cognatum
TENN-V-0018744	Livingston	Kentucky			TENN Leptoloma cognatum
TENN-V-0018398	Wilson	Tennessee			TENN Digitaria cognata
TENN-V-0018397	Meigs	Tennessee			TENN Digitaria cognata
TENN-V-0018558	McCracken	Kentucky			TENN Digitaria cognata
TENN-V-0018557	Livingston	Kentucky			TENN Digitaria cognata
TENN-V-0018394	Bedford	Tennessee			TENN Digitaria cognata
TENN-V-0018556	Ballard	Kentucky			TENN Digitaria cognata
TENN-V-0018743	McCracken	Kentucky			TENN Leptoloma cognatum
TENN-V-0018555	Marshall	Kentucky			TENN Digitaria cognata
TENN-V-0018393	Davidson	Tennessee			TENN Digitaria cognata
TENN-V-0018395	Carroll	Tennessee			TENN Digitaria cognata
TENN-V-0018746	Ballard	Kentucky			TENN Leptoloma cognatum
APSC0043576	Hamilton	Tennessee			APSC Digitaria cognata
APSC0043578	Robertson	Tennessee			APSC Digitaria cognata
APSC0095707	Fulton	Kentucky	18 Aug 1968		APSC Digitaria cognata

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Digitaria cognata

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos