Crotalaria sagittalis

ClassificationDicots
FamilyFabaceae
Family (Traditional)Fabaceae
GenusCrotalaria
Species:Crotalaria sagittalis L.
Common NameArrowhead Rattlebox
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: Yes; Woody Herbaceous: Herbaceous; Duration: Annual; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: subshrub; Moisture Requirements: Xeric; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Region of Origin: North America; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Yellow; Carpel Number/Pistil: 1; Fruit Complexity: Simple; Fruit Dehiscence: Yes; Fruit Type: Legume; Fruit Wet/Dry: Dry; Hypanthium Present: Yes; Ovary Position: Superior; Overall Flower Symmetry: Zygomorphic; Perianth Present: Yes; Petal Number: 5; Pistil Complexity: Simple; Pistil Number: 1; Placentation Type: Parietal; Sepal Number: 5; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 10
C value 7
StatusNative; TN[SNR] KY[S3S4] (State Rank); G5 (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 (7)

SynonymFull Citation
Crotalaria belizensis Crotalaria belizensis Lundell
Crotalaria pilosa Crotalaria pilosa Mill.
Crotalaria pringlei Crotalaria pringlei A.Gray
Crotalaria sagittalis var. blumeriana Crotalaria sagittalis var. blumeriana Senn
Crotalaria sagittalis var. fruticosa Crotalaria sagittalis var. fruticosa (P. Mill.) Fawcett & Rendle
Crotalaria tuerckheimii Crotalaria tuerckheimii Senn
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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: Breckinridge (KY), Caldwell (KY), Calloway (KY), Christian (KY), Graves (KY), Grayson (KY), Hickman (KY), Logan (KY), Lyon (KY), McCracken (KY), Marshall (KY), Pike (KY), Todd (KY), Trigg (KY), Webster (KY), Anderson (TN), Blount (TN), Carroll (TN), Chester (TN), Coffee (TN), Fayette (TN), Franklin (TN), Giles (TN), Grainger (TN), Hamilton (TN), Hardeman (TN), Hardin (TN), Haywood (TN), Henderson (TN), Henry (TN), Hickman (TN), Humphreys (TN), Knox (TN), Lewis (TN), Lincoln (TN), Loudon (TN), McNairy (TN), Madison (TN), Meigs (TN), Monroe (TN), Polk (TN), Putnam (TN), Roane (TN), Shelby (TN), Stewart (TN), Tipton (TN), Weakley (TN)

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

Range of years during which specimens were collected: 1957 - 2018

Accession No. (click for full details)
County
State
Coll. Date
Collector &
Collection No.
Herbarium &
Herbarium Name Used
APSC0014066 Anderson Tennessee 11 Aug 1979 Edward W. Chester
4190
APSC
Crotalaria sagittalis
TENN-V-0123668 Blount Tennessee
TENN
Crotalaria sagittalis
31234100423753 Breckinridge Kentucky 25 Jul 2009 Landon E. McKinney
10155
EKY
Crotalaria sagittalis
APSC0104842 Caldwell Kentucky 07 Jul 2018 Mason Brock
APSC
Crotalaria sagittalis
MEM006763 Calloway Kentucky 21 Jul 1973 Raymond Athey
2419
MEM
Crotalaria sagittalis
BEREA013383 Calloway Kentucky
BEREA
Crotalaria sagittalis
APSC0086758 Calloway Kentucky
APSC
Crotalaria sagittalis
APSC0101170 Calloway Kentucky
APSC
Crotalaria sagittalis
TENN-V-0123669 Carroll Tennessee
TENN
Crotalaria sagittalis
TENN-V-0123670 Chester Tennessee
TENN
Crotalaria sagittalis
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Plant Photos

Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Joey Shaw
Crotalaria sagittalis - Theo Witsell
Crotalaria sagittalis - Theo Witsell
Crotalaria sagittalis - Theo Witsell
Crotalaria sagittalis - Theo Witsell