Juncus brachycarpus

ClassificationMonocots
FamilyJuncaceae
Family (Traditional)Juncaceae
GenusJuncus
Species:Juncus brachycarpus Engelm.
Common NameWhiteroot Rush
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BE; Natural Area Presence: LC; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Region of Origin: North America; Reproductive Phenology: June; 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 Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Sporangium Arrangement: N/A; Stamen Number: 3
C value 5
StatusNative; AGCP (FACW), EMP (FACW) (NWPL); TN[SNR] KY[S4S5] (State Rank); G4G5 (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.

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  • 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: Ballard (KY), Barren (KY), Bath (KY), Breckinridge (KY), Calloway (KY), Christian (KY), Clinton (KY), Edmonson (KY), Franklin (KY), Fulton (KY), Graves (KY), Henderson (KY), Hickman (KY), Lincoln (KY), Logan (KY), Lyon (KY), McCracken (KY), Madison (KY), Marshall (KY), Montgomery (KY), Muhlenberg (KY), Powell (KY), Pulaski (KY), Rowan (KY), Russell (KY), Scott (KY), Todd (KY), Trigg (KY), Anderson (TN), Benton (TN), Bledsoe (TN), Bradley (TN), Campbell (TN), Cheatham (TN), Chester (TN), Coffee (TN), Crockett (TN), Cumberland (TN), Dickson (TN), Fayette (TN), Franklin (TN), Grundy (TN), Hardin (TN), Hawkins (TN), Haywood (TN), Henderson (TN), Henry (TN), Humphreys (TN), Knox (TN), Lauderdale (TN), Lawrence (TN), Lewis (TN), McNairy (TN), Macon (TN), Marion (TN), Meigs (TN), Monroe (TN), Montgomery (TN), Obion (TN), Rhea (TN), Roane (TN), Robertson (TN), Rutherford (TN), Scott (TN), Shelby (TN), Stewart (TN), Warren (TN)

Herbaria represented by specimen data listed below: MDKY, MTSU, UOS, MEM, KNK, UCHT, ETSU, BEREA, TENN, APSC, EKY, HTTU

Range of years during which specimens were collected: 1962 - 2019

Accession No. (click for full details)
County
State
Coll. Date
Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0061562 Anderson Tennessee
TENN
Juncus brachycarpus
MEM005898 Ballard Kentucky 17 Jun 1969 Raymond Athey
707
MEM
Juncus brachycarpus
31234100098373 Ballard Kentucky 12 Jun 1996 Bryce D. Fields
871
EKY
Juncus brachycarpus
APSC0101364 Barren Kentucky
APSC
Juncus brachycarpus
MDKY00005486 Bath Kentucky
MDKY
Juncus brachycarpus
TENN-V-0061564 Benton Tennessee
TENN
Juncus brachycarpus
TENN-V-0061563 Benton Tennessee
TENN
Juncus brachycarpus
31234100098225 Bledsoe Tennessee 03 Jul 1987 Ronald L. Jones
5023
EKY
Juncus brachycarpus
TENN-V-0061565 Bledsoe Tennessee
TENN
Juncus brachycarpus
UCHT005115 Bradley Tennessee 01 Jul 1989 D. Houck
2704
UCHT
Juncus brachycarpus
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Plant Photos

Juncus brachycarpus - Dwayne Estes
Juncus brachycarpus - Dwayne Estes
Juncus brachycarpus - Dwayne Estes
Juncus brachycarpus - Dwayne Estes
Juncus brachycarpus - Theo Witsell
Juncus brachycarpus - Theo Witsell