Ricinus communis

ClassificationDicots
FamilyEuphorbiaceae
Family (Traditional)Euphorbiaceae
GenusRicinus
Species:Ricinus communis L.
Common NameCastorbean; Castor Oil Plant
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Dry-mesic; Moisture Requirements: Mesic; Region of Origin: Africa; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Persistance: Deciduous; Leaflet Number: 0; Base Flower Color: Red; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Placentation Type: Axillary; Sporangium Arrangement: N/A
C value N/A
StatusNot Native; AGCP (FACU), EMP (UPL) (NWPL); TN[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

SynonymFull Citation
Ricinus communis var. lividus Ricinus communis var. lividus
Ricinus communis var. megalospermus Ricinus communis var. megalospermus

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), Cumberland (KY), Estill (KY), Jefferson (KY), Madison (KY), Ohio (KY), Blount (TN), Grainger (TN), Hamilton (TN), Marion (TN), Montgomery (TN), Putnam (TN), Smith (TN), Stewart (TN)

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

Range of years during which specimens were collected: 1997 - 2018

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100417201 Cumberland Kentucky 05 Oct 1997 Ross C. Clark
23815
EKY
Ricinus communis
BEREA013092 Madison Kentucky
BEREA
Ricinus communis
BEREA013090 Madison Kentucky
BEREA
Ricinus communis
BEREA013091 Madison Kentucky
BEREA
Ricinus communis
BEREA013089 Estill Kentucky
BEREA
Ricinus communis
BEREA013093 Madison Kentucky
BEREA
Ricinus communis
31973000012530 Campbell Kentucky
KNK
Ricinus communis
31973000012531 Campbell Kentucky
KNK
Ricinus communis
31973000012529 Campbell Kentucky
KNK
Ricinus communis
TENN-V-0137896 Blount Tennessee
TENN
Ricinus communis
TENN-V-0137897 Blount Tennessee
TENN
Ricinus communis
TENN-V-0137898 Marion Tennessee
TENN
Ricinus communis
UCHT018239 Hamilton Tennessee
UCHT
Ricinus communis
APSC0014631 Montgomery Tennessee
APSC
Ricinus communis
APSC0014630 Grainger Tennessee
APSC
Ricinus communis
APSC0014629 Stewart Tennessee
APSC
Ricinus communis
APSC0121083 Jefferson Kentucky
APSC
Ricinus communis
APSC0101147 Montgomery Tennessee 11 Oct 2018 Edward Chester
APSC
Ricinus communis
APSC0114712 Ohio Kentucky
APSC
Ricinus communis
HTTU023589 Smith Tennessee
HTTU
Ricinus communis
HTTU023588 Putnam Tennessee
HTTU
Ricinus communis
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