Platanthera grandiflora

ClassificationMonocots
FamilyOrchidaceae
Family (Traditional)Orchidaceae
GenusPlatanthera
Species:Platanthera grandiflora (Bigelow) Lindl.
Common NameGreater Purple Fringed Bog Orchid
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Mesic; Moisture Requirements: Mesic-Hydric; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: June; Reproductive Phenology: July; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Pollinium; Base Flower Color: Pink; Base Flower Color: Purple; Carpel Number/Pistil: 1; Fruit Dehiscence: Yes; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Hypanthium Present: No; Inflorescence Position: terminal; Inflorescence Types: raceme; Ovary Position: Inferior; Overall Flower Symmetry: Zygomorphic; Ovules per Carpel: 13+; Perianth Present: Yes; Petal Fusion: No; Petal Number: 3; Pistil Complexity: Compound; Pistil Number: 1; Placentation Type: Parietal; Sepal Fusion: No; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 2; Tepal Fusion: No; Tepal Number: 6
C value 8
StatusNative; AGCP (FACW), EMP (FACW) (NWPL); TN[S2] (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.

  • 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
Blephariglottis grandiflora Blephariglottis grandiflora (Bigelow) Rydb.
Habenaria fimbriata f. albiflora Habenaria fimbriata f. albiflora E.L.Rand & Redfield
Habenaria fimbriata f. mentotonsa Habenaria fimbriata f. mentotonsa Fernald
Habenaria grandiflora Habenaria grandiflora (Bigelow) Torr.
Habenaria psycodes var. grandiflora Habenaria psycodes var. grandiflora (Bigelow) A. Gray
Orchis grandiflora Orchis grandiflora Bigelow

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), Sullivan (TN), Unicoi (TN)

Herbaria represented by specimen data listed below: TENN, ETSU

Range of years during which specimens were collected: 2015 - 2015

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0073388 Johnson Tennessee
TENN
Platanthera grandiflora
ETSU032286 Unicoi Tennessee James T Donaldson
ETSU
Platanthera grandiflora
ETSU030184 Johnson Tennessee
ETSU
Platanthera grandiflora
ETSU030185 Johnson Tennessee
ETSU
Platanthera grandiflora
N/A Carter Tennessee 03 Jun 2015 Frosty Levy
ETSU
Platanthera grandiflora
ETSU010238 Carter Tennessee 03 Jun 2015 Frosty Levy
ETSU
Platanthera grandiflora
TENN-V-0073389 Sullivan Tennessee
TENN
Platanthera grandiflora
ETSU008934 Unicoi Tennessee Frosty Levy
ETSU
Platanthera grandiflora
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Plant Photos

Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield
Platanthera grandiflora - Tara Littlefield