Rhynchospora macrostachya

ClassificationMonocots
FamilyCyperaceae
Family (Traditional)Cyperaceae
GenusRhynchospora
Species:Rhynchospora macrostachya Torr. ex A. Gray
Common NameTall Horned Beaksedge
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BE; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: graminoid; 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 7
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[S1S2] KY[S1] (State Rank); G4 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

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

SynonymFull Citation
Ceratoschoenus macrophyllus Ceratoschoenus macrophyllus Tuck.

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: Hart (KY), Coffee (TN), Franklin (TN), Putnam (TN), Warren (TN), White (TN)

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

Range of years during which specimens were collected: 1979 - 1987

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0044533 Warren Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044527 Coffee Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044529 Coffee Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044522 Coffee Tennessee
TENN
Rhynchospora macrostachya
APSC0112371 Coffee Tennessee
APSC
Rhynchospora macrostachya
APSC0067677 Coffee Tennessee
APSC
Rhynchospora macrostachya
APSC0116768 Coffee Tennessee
APSC
Rhynchospora macrostachya
APSC0039068 Coffee Tennessee
APSC
Rhynchospora macrostachya
APSC0100927 Franklin Tennessee
APSC
Rhynchospora macrostachya
APSC0072081 Coffee Tennessee
APSC
Rhynchospora macrostachya
APSC0077244 Warren Tennessee 01 Aug 1987 Max Medley
APSC
Rhynchospora macrostachya
APSC0100926 Franklin Tennessee
APSC
Rhynchospora macrostachya
APSC0116795 Warren Tennessee
APSC
Rhynchospora macrostachya
APSC0068198 Hart Kentucky
APSC
Rhynchospora macrostachya
APSC0068199 Hart Kentucky
APSC
Rhynchospora macrostachya
APSC0116797 Warren Tennessee
APSC
Rhynchospora macrostachya
HTTU034713 Putnam Tennessee
HTTU
Rhynchospora macrostachya
HTTU033549 Putnam Tennessee
HTTU
Rhynchospora macrostachya
HTTU007273 Putnam Tennessee
HTTU
Rhynchospora macrostachya
HTTU028590 Putnam Tennessee
HTTU
Rhynchospora macrostachya
HTTU033307 White Tennessee
HTTU
Rhynchospora macrostachya
HTTU029060 Putnam Tennessee
HTTU
Rhynchospora macrostachya
HTTU029075 Putnam Tennessee
HTTU
Rhynchospora macrostachya
HTTU034064 Putnam Tennessee
HTTU
Rhynchospora macrostachya
UCHT039518 Coffee Tennessee
UCHT
Rhynchospora macrostachya
HTTU035550 White Tennessee
HTTU
Rhynchospora macrostachya
TENN-V-0044531 Warren Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044526 Coffee Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044532 Warren Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044523 Coffee Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044521 Coffee Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044525 Coffee Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044528 Coffee Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044534 Coffee Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044530 Coffee Tennessee
TENN
Rhynchospora macrostachya
TENN-V-0044524 Coffee Tennessee
TENN
Rhynchospora macrostachya
31234100708542 Franklin Tennessee 05 Oct 1980 H. DeSelm
198
EKY
Rhynchospora macrostachya
31234100079951 Warren Tennessee 13 Sep 1979 Thomas S. Patrick
2507
EKY
Rhynchospora macrostachya
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