Epilobium leptophyllum

Family (Traditional)Onagraceae
Species:Epilobium leptophyllum Raf.
Common NameBog Willowherb
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: April; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaflet Number: 0; Anther Type: Dorsifixed; Base Flower Color: White; Carpel Number/Pistil: 4; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Pistil Number: 1; Placentation Type: Axillary; Placentation Type: Parietal; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 8
C value 7
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[S1] (State Rank); G5 (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
  • 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


SynonymFull Citation
Epilobium densum var. nesophilum Epilobium densum var. nesophilum
Epilobium nesophilum Epilobium nesophilum Fernald
Epilobium nesophilum var. sabulonense Epilobium nesophilum var. sabulonense (Fernald) Fernald
Epilobium palustre var. gracile Epilobium palustre var. gracile (Farw.) R.D.Dorn
Epilobium palustre var. sabulonense Epilobium palustre var. sabulonense (Fernald) B.Boivin
Epilobium rosmarinifolium Epilobium rosmarinifolium Haenke
Epilobium treleaseanum Epilobium treleaseanum

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: Carter (TN), Johnson (TN)

Herbaria represented by specimen data listed below: TENN, ETSU, VDB

Range of years during which specimens were collected: -

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0157110 Carter Tennessee
Epilobium leptophyllum
BRIT133070 Tennessee
Epilobium leptophyllum
BRIT133071 Tennessee
Epilobium leptophyllum
BRIT133072 Tennessee
Epilobium leptophyllum
ETSU032782 Carter Tennessee
Epilobium leptophyllum
ETSU008574 Carter Tennessee
Epilobium leptophyllum
TENN-V-0157112 Johnson Tennessee
Epilobium leptophyllum
TENN-V-0157111 Johnson Tennessee
Epilobium leptophyllum
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