Platanthera orbiculata

ClassificationMonocots
FamilyOrchidaceae
Family (Traditional)Orchidaceae
GenusPlatanthera
Species:Platanthera orbiculata (Pursh) Lindl.
Common NameLesser Roundleaved 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; Reproductive Phenology: August; Reproductive Phenology: September; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: broadleaf; Leaf Venation: palmate; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Pollinium; Base Flower Color: White; 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; EMP (FAC) (NWPL); G5TNR (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
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
Habenaria orbiculata Habenaria orbiculata (Pursh) Torr.

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), Unicoi (TN)

Herbaria represented by specimen data listed below: ETSU, TENN

Range of years during which specimens were collected: 2014 - 2016

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
ETSU006171 Unicoi Tennessee 19 Jun 2016 Frosty Levy
ETSU
Platanthera orbiculata
ETSU010244 Carter Tennessee 03 Jun 2015 Frosty Levy
ETSU
Platanthera orbiculata
ETSU008935 Unicoi Tennessee Frosty Levy
ETSU
Platanthera orbiculata
ETSU030974 Johnson Tennessee
ETSU
Platanthera orbiculata
N/A Unicoi Tennessee 27 Sep 2014 Frosty Levy
ETSU
Platanthera orbiculata
ETSU010245 Unicoi Tennessee
ETSU
Habenaria orbiculata
N/A Carter Tennessee 03 Jun 2015 Frosty Levy
ETSU
Platanthera orbiculata
ETSU010243 Carter Tennessee
ETSU
Habenaria orbiculata
TENN-V-0073442 Unicoi Tennessee
TENN
Habenaria orbiculata
ETSU030186 Carter Tennessee
ETSU
Platanthera orbiculata
ETSU030187 Johnson Tennessee
ETSU
Platanthera orbiculata
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