Clethra alnifolia

ClassificationDicots
FamilyClethraceae
Family (Traditional)Clethraceae
GenusClethra
Species:Clethra alnifolia L.
Common NameCoastal Sweetpepperbush
Growth Habitshrub
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: shrub; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaf Venation: pinnate; Leaflet Margins: serrate; Leaflet Margins: serrulate; Leaflet Number: 0; Base Flower Color: White; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Overall Flower Symmetry: Actinomorphic; Pistil Number: 1; Sporangium Arrangement: N/A; Stamen Number: 10
C value 5
StatusNative; AGCP (FACW), EMP (FAC) (NWPL); 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.

  • 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
Clethra alnifolia f. rosea Clethra alnifolia f. rosea Rehder
Clethra alnifolia var. glabella Clethra alnifolia var. glabella Michx.
Clethra alnifolia var. paniculata Clethra alnifolia var. paniculata (Aiton) Rehder
Clethra bracteata Clethra bracteata Raf.
Clethra paniculata Clethra paniculata

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: Madison (KY), Coffee (TN), Morgan (TN)

Herbaria represented by specimen data listed below: BEREA, HTTU, TENN

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-0165207 Coffee Tennessee
TENN
Clethra alnifolia
BEREA012196 Madison Kentucky
BEREA
Clethra alnifolia
HTTU006637 Morgan Tennessee
HTTU
Clethra alnifolia
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Plant Photos

Clethra alnifolia - Milo Pyne
Clethra alnifolia - Milo Pyne
Clethra alnifolia - Theo Witsell
Clethra alnifolia - Theo Witsell
Clethra alnifolia - Theo Witsell
Clethra alnifolia - Theo Witsell
Clethra alnifolia - Theo Witsell
Clethra alnifolia - Theo Witsell