Rhynchospora chalarocephala

Classification	Monocots
Family	Cyperaceae
Family (Traditional)	Cyperaceae
Genus	Rhynchospora
Species:	Rhynchospora chalarocephala Fernald & Gale
Common Name	Loosehead Beaksedge
Growth Habit	graminoid
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: LGS; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Mesic; Moisture Requirements: Mesic-Hydric; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Leaf Arrangement: alternate; 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	6
Status	Native; AGCP (OBL), EMP (OBL) (NWPL); TN[S1] (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

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: Coffee (TN), Hamilton (TN), Lewis (TN), Warren (TN), White (TN)

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

Range of years during which specimens were collected: -

Accession No. (click for full details)	County	State	Collector & Collection No.	Herbarium & Herbarium Name Used
TENN-V-0044293	Coffee	Tennessee		TENN Rhynchospora chalarocephala
TENN-V-0044292	Coffee	Tennessee		TENN Rhynchospora chalarocephala
TENN-V-0044294	Warren	Tennessee		TENN Rhynchospora chalarocephala
UCHT003985	Hamilton	Tennessee		UCHT Rhynchospora chalarocephala
APSC0072472	Warren	Tennessee		APSC Rhynchospora chalarocephala
APSC0039033	Warren	Tennessee		APSC Rhynchospora chalarocephala
APSC0072474	Warren	Tennessee		APSC Rhynchospora chalarocephala
APSC0054635	Coffee	Tennessee		APSC Rhynchospora chalarocephala
APSC0072473	White	Tennessee		APSC Rhynchospora chalarocephala
APSC0067444	Coffee	Tennessee		APSC Rhynchospora chalarocephala
UOS07019	Warren	Tennessee	Yolande M. Gottfried	UOS Rhynchospora chalarocephala
31234100079688	Lewis	Tennessee	Ronald L. Jones	EKY Rhynchospora chalarocephala

View a List of All Ecological Communities

Rhynchospora chalarocephala

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos