Diarrhena obovata

Classification	Monocots
Family	Poaceae
Family (Traditional)	Poaceae
Genus	Diarrhena
Species:	Diarrhena obovata (Gleason) Brandenburg
Common Name	Obovate Beakgrain
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: 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	8
Status	Native; AGCP (FAC), EMP (FACU) (NWPL); TN[S1] KY[S2?] (State Rank); G4G5 (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: Bell (KY), Lyon (KY), Menifee (KY), Franklin (TN), Montgomery (TN)

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

Range of years during which specimens were collected: 1948 - 2005

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
31234100775939	Menifee	Kentucky	30 Apr 1988	Ross C. Clark 21152	EKY Diarrhena obovata
APSC0033990	Montgomery	Tennessee	01 Aug 1948	Alfred Clebsch 169	APSC Diarrhena obovata
APSC0033988	Lyon	Kentucky	05 Sep 1984	Edward W. Chester 84-450	APSC Diarrhena obovata
APSC0033989	Montgomery	Tennessee	08 Sep 1979	Edward W. Chester 4273	APSC Diarrhena obovata
APSC0033986	Montgomery	Tennessee			APSC Diarrhena obovata
APSC0033983	Montgomery	Tennessee			APSC Diarrhena obovata
UOS07776	Franklin	Tennessee	25 May 1985	Richard K. Clements	UOS Diarrhena obovata
N/A	Menifee	Kentucky	30 Apr 1988	Ross C. Clark 21152	EKY Diarrhena obovata
N/A	Bell	Kentucky	08 Jun 2005	Amy V. McIntosh 1010	EKY Diarrhena obovata
N/A	Menifee	Kentucky	30 Apr 1988	R.C. Clark 21152	EKY Diarrhena obovata

View a List of All Ecological Communities

Diarrhena obovata

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos