Oxalis illinoensis

ClassificationDicots
FamilyOxalidaceae
Family (Traditional)Oxalidaceae
GenusOxalis
Species:Oxalis illinoensis Schwegman
Common NameIllinois Woodsorrel
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: Yes; Woody Herbaceous: Herbaceous; Natural Area Presence: GILES; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Mesic; Region of Origin: North America; Reproductive Phenology: March; Reproductive Phenology: April; Reproductive Phenology: May; Leaf Arrangement: basal; Leaf Complexity: compound; Leaf Dissection: 1; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Type: clover-like; Leaf Venation: ternate; Leaflet Margins: entire; Leaflet Margins: lobed; Leaflet Number: 3; Anther Type: Basifixed; Base Flower Color: Yellow; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Petal Fusion: No; Sepal Number: 5; Sporangium Arrangement: N/A
C value 10
StatusNative; KY[S4] (State Rank); G4Q (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: Carlisle (KY), Clinton (KY), Crittenden (KY), Jefferson (KY), Nelson (KY), Trigg (KY), Warren (KY), Cannon (TN), Cheatham (TN), Clay (TN), Davidson (TN), DeKalb (TN), Dickson (TN), Fentress (TN), Franklin (TN), Giles (TN), Grundy (TN), Hickman (TN), Houston (TN), Jackson (TN), Lewis (TN), Montgomery (TN), Overton (TN), Pickett (TN), Robertson (TN), Rutherford (TN), Stewart (TN), Sumner (TN)

Herbaria represented by specimen data listed below: APSC, MTSU, TENN, UOS, VDB

Range of years during which specimens were collected: 1944 - 2016

Accession No. (click for full details)
County
State
Coll. Date
Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0134094 Cannon Tennessee
TENN
Oxalis illinoensis
TENN-V-0134093 Cannon Tennessee
TENN
Oxalis illinoensis
APSC0109736 Carlisle Kentucky
APSC
Oxalis illinoensis
TENN-V-0134097 Cheatham Tennessee
TENN
Oxalis illinoensis
TENN-V-0134095 Cheatham Tennessee
TENN
Oxalis illinoensis
TENN-V-0134098 Cheatham Tennessee
TENN
Oxalis illinoensis
TENN-V-0134096 Cheatham Tennessee
TENN
Oxalis illinoensis
APSC0041283 Clay Tennessee 07 May 2015 Mason Brock
APSC
Oxalis illinoensis
TENN-V-0134099 Clay Tennessee
TENN
Oxalis illinoensis
APSC0062589 Clay Tennessee
APSC
Oxalis illinoensis
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Plant Photos

Oxalis illinoensis - Dwayne Estes
Oxalis illinoensis - Dwayne Estes
Oxalis illinoensis - Dwayne Estes
Oxalis illinoensis - Dwayne Estes
Oxalis illinoensis - Dwayne Estes
Oxalis illinoensis - Dwayne Estes
Oxalis illinoensis - Dwayne Estes
Oxalis illinoensis - Dwayne Estes
Oxalis illinoensis - Milo Pyne
Oxalis illinoensis - Milo Pyne
Oxalis illinoensis - Milo Pyne
Oxalis illinoensis - Milo Pyne