Sporobolus junceus

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusSporobolus
Species:Sporobolus junceus Kunth
Common NamePineywoods Dropseed
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: LRC; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Xeric; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: September; Reproductive Phenology: October; Reproductive Phenology: November; 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 10
StatusNative; TN[S1] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.
Featured Plant Photo

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
Agrostis thyrsoides Agrostis thyrsoides Bosc ex Trin.
Aira triglumis Aira triglumis Steud.
Axonopus poiretii Axonopus poiretii Roem. & Schult.
Colpodium junceum Colpodium junceum (P. Beauv.) Trin.
Crypsis juncea Crypsis juncea (P. Beauv.) Steud.
Heleochloa juncea Heleochloa juncea P. Beauv.
Sporobolus ejuncidus Sporobolus ejuncidus Nash
Sporobolus gracilis Sporobolus gracilis Merr.
Vilfa fulvescens Vilfa fulvescens Trin.
Vilfa juncea Vilfa juncea (P. Beauv.) Trin.
Vilfa schiedeana Vilfa schiedeana Trin.
Vilfa subsetacea Vilfa subsetacea Trin.
Vilfa vinzenti Vilfa vinzenti Steud.

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: Morgan (TN), Shelby (TN)

Herbaria represented by specimen data listed below: MEM, TENN

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
MEM000262 Shelby Tennessee 1965-6 Don Young
s.n.		 MEM
Sporobolus junceus
TENN-V-0027712 Morgan Tennessee
TENN
Sporobolus junceus
TENN-V-0027713 Morgan Tennessee
TENN
Sporobolus junceus
MEM000261 Shelby Tennessee 1965-6 Bill Speight
s.n.		 MEM
Sporobolus junceus
MEM000260 Shelby Tennessee 1965-6 Pam Boggs
s.n.		 MEM
Sporobolus junceus
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Plant Photos

Sporobolus junceus - Dwayne Estes
Sporobolus junceus - Dwayne Estes
Sporobolus junceus - Dwayne Estes
Sporobolus junceus - Dwayne Estes