Scleranthus annuus

ClassificationDicots
FamilyCaryophyllaceae
Family (Traditional)Caryophyllaceae
GenusScleranthus
Species:Scleranthus annuus L.
Common NameGerman Knotgrass; Knotgrass
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: Europe; Reproductive Phenology: March; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: opposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Ovules per Carpel: 1; Perianth Present: Yes; Petal Number: 5; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5; Stamen Number: 6; Stamen Number: 7; Stamen Number: 8; Stamen Number: 9; Stamen Number: 10
C value N/A
StatusNot Native; AGCP (FACU), EMP (FACU) (NWPL); TN[SNA] KY[SNA] (State Rank); GNR (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

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: Campbell (KY), Gallatin (KY), Grant (KY), Simpson (KY), Fayette (TN), Knox (TN), McNairy (TN), Morgan (TN), Washington (TN)

Herbaria represented by specimen data listed below: APSC, BOON, ETSU, KNK, TENN

Range of years during which specimens were collected: 2016 - 2017

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used
TENN-V-0094085 Knox Tennessee
TENN
Scleranthus annuus
TENN-V-0094088 Knox Tennessee
TENN
Scleranthus annuus
TENN-V-0094086 Knox Tennessee
TENN
Scleranthus annuus
TENN-V-0094083 Fayette Tennessee
TENN
Scleranthus annuus
TENN-V-0094090 McNairy Tennessee
TENN
Scleranthus annuus
APSC0080198 Gallatin Kentucky
APSC
Scleranthus annuus
APSC0087244 Gallatin Kentucky
APSC
Scleranthus annuus
TENN-V-0094091 Morgan Tennessee
TENN
Scleranthus annuus
31973000008683 Grant Kentucky
KNK
Scleranthus annuus
31973000008686 Campbell Kentucky
KNK
Scleranthus annuus
TENN-V-0094087 Knox Tennessee
TENN
Scleranthus annuus
TENN-V-0094089 Knox Tennessee
TENN
Scleranthus annuus
APSC0072160 Simpson Kentucky 24 Mar 2017 Mason Brock
 APSC
Scleranthus annuus
ETSU009909 Washington Tennessee 04 Apr 2016 Frosty Levy
 ETSU
Scleranthus annuus
013470 Knox Tennessee
BOON
Scleranthus annuus
ETSU034580 Tennessee 23 Sep 2016 Frosty Levy
 ETSU
Scleranthus annuus
TENN-V-0094084 Knox Tennessee
TENN
Scleranthus annuus
ETSU015165 Washington Tennessee
ETSU
Scleranthus annuus
31973000008685 Gallatin Kentucky
KNK
Scleranthus annuus
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