Rhynchospora chalarocephala

ClassificationMonocots
FamilyCyperaceae
Family (Traditional)Cyperaceae
GenusRhynchospora
Species:Rhynchospora chalarocephala Fernald & Gale
Common NameLoosehead Beaksedge
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: 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
StatusNative; 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.

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

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 Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0044293 Coffee Tennessee
TENN
Rhynchospora chalarocephala
APSC0072472 Warren Tennessee
APSC
Rhynchospora chalarocephala
APSC0072474 Warren Tennessee
APSC
Rhynchospora chalarocephala
APSC0054635 Coffee Tennessee
APSC
Rhynchospora chalarocephala
APSC0072473 White Tennessee
APSC
Rhynchospora chalarocephala
31234100079688 Lewis Tennessee Ronald L. Jones
EKY
Rhynchospora chalarocephala
TENN-V-0044292 Coffee Tennessee
TENN
Rhynchospora chalarocephala
TENN-V-0044294 Warren Tennessee
TENN
Rhynchospora chalarocephala
UCHT003985 Hamilton Tennessee
UCHT
Rhynchospora chalarocephala
APSC0039033 Warren Tennessee
APSC
Rhynchospora chalarocephala
APSC0067444 Coffee Tennessee
APSC
Rhynchospora chalarocephala
UOS07019 Warren Tennessee Yolande M. Gottfried
UOS
Rhynchospora chalarocephala
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Plant Photos

Rhynchospora chalarocephala - Dwayne Estes
Rhynchospora chalarocephala - Dwayne Estes
Rhynchospora chalarocephala - Dwayne Estes
Rhynchospora chalarocephala - Dwayne Estes
Rhynchospora chalarocephala - Dwayne Estes
Rhynchospora chalarocephala - Dwayne Estes
Rhynchospora chalarocephala - Dwayne Estes
Rhynchospora chalarocephala - Dwayne Estes