Triosteum perfoliatum

Classification	Dicots
Family	Caprifoliaceae
Family (Traditional)	Caprifoliaceae
Genus	Triosteum
Species:	Triosteum perfoliatum L.
Common Name	Feverwort
Growth Habit	forb
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: CCNMP; Natural Area Presence: GM; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Region of Origin: North America; Reproductive Phenology: May; Reproductive Phenology: June; Leaf Arrangement: opposite; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Type: broadleaf; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Red; Fruit Dehiscence: No; Fruit Type: Drupe; Fruit Wet/Dry: Wet; Hypanthium Present: No; Inflorescence Position: axillary; Inflorescence Types: solitary; Ovary Position: Inferior; Overall Flower Symmetry: Zygomorphic; Perianth Present: Yes; Petal Fusion: Yes; Petal Number: 4; Pistil Number: 1; Placentation Type: Axillary; Sepal Number: 4; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5; Tepal Fusion: N/A; Tepal Number: 0
C value	6
Status	Native; TN[SNR] KY[S3S4] (State Rank); G5 (Global Rank)
Specimen(s)	View and Download Specimen Details »

** Not applicable or data not available.

View More Photos »

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

Interior River Valleys and Hills
- Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
Show/Hide Ecoregions
Show/Hide Ecoregion Labels

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: Anderson (KY), Bell (KY), Caldwell (KY), Crittenden (KY), Hardin (KY), Grundy (TN), Hamblen (TN), Johnson (TN), Knox (TN), Meigs (TN), Rutherford (TN), Unicoi (TN), Union (TN), Wilson (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, ETSU, MDKY, TENN, UCHT

Range of years during which specimens were collected: 1897 - 2018

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
MDKY00008705	Crittenden	Kentucky			MDKY Triosteum perfoliatum
MDKY00008704	Crittenden	Kentucky			MDKY Triosteum perfoliatum
TENN-V-0207125	Crittenden	Kentucky			TENN Triosteum perfoliatum
TENN-V-0207085	Meigs	Tennessee			TENN Triosteum perfoliatum
TENN-V-0207078	Johnson	Tennessee			TENN Triosteum perfoliatum
APSC0107535	Hardin	Kentucky			APSC Triosteum perfoliatum
31234100360146	Caldwell	Kentucky	11 Jun 1979	Raymond Athey 4350	EKY Triosteum perfoliatum
TENN-V-0207076	Grundy	Tennessee			TENN Triosteum perfoliatum
TENN-V-0207082	Knox	Tennessee			TENN Triosteum perfoliatum
TENN-V-0207086	Meigs	Tennessee			TENN Triosteum perfoliatum
BEREA011623	Bell	Kentucky			BEREA Triosteum perfoliatum
TENN-V-0207077	Hamblen	Tennessee			TENN Triosteum perfoliatum
TENN-V-0207089	Wilson	Tennessee			TENN Triosteum perfoliatum
TENN-V-0207079		Tennessee			TENN Triosteum perfoliatum
TENN-V-0207081	Knox	Tennessee			TENN Triosteum perfoliatum
TENN-V-0207080	Knox	Tennessee			TENN Triosteum perfoliatum
TENN-V-0207088	Union	Tennessee			TENN Triosteum perfoliatum
APSC0019656	Knox	Tennessee			APSC Triosteum perfoliatum
31234100349982	Anderson	Kentucky	23 Jul 1978	William S. Bryant 188	EKY Triosteum perfoliatum
BEREA011625	Bell	Kentucky			BEREA Triosteum perfoliatum
TENN-V-0207083	Knox	Tennessee			TENN Triosteum perfoliatum
TENN-V-0207124	Caldwell	Kentucky			TENN Triosteum perfoliatum
TENN-V-0207084	Meigs	Tennessee			TENN Triosteum perfoliatum
N/A		Tennessee	06 Jun 1897	W. M. Pollock	UCHT Triosteum perfoliatum
31234100360153	Crittenden	Kentucky	08 May 1976	Raymond Athey 3343	EKY Triosteum perfoliatum
BEREA011624	Bell	Kentucky			BEREA Triosteum perfoliatum
TENN-V-0207141	Hamblen	Tennessee			TENN Triosteum perfoliatum
TENN-V-0207087	Rutherford	Tennessee			TENN Triosteum perfoliatum
ETSU009894	Unicoi	Tennessee	20 Apr 2018	Frosty Levy	ETSU Triosteum perfoliatum

View a List of All Ecological Communities

Triosteum perfoliatum

Related Links

Species Distribution Map

Ecoregions

Synonyms

Specimens and Distribution

Plant Photos