Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Platanthera orbiculata
FAMILY
Orchidaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Platanthera from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Platanthera orbiculata
FAMILY
Orchidaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Platanthera orbiculata
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 26 (2002)
Platanthera orbiculata
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Platanthera orbiculata var. orbiculata
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 049-03-007:
Habenaria orbiculata FAMILY Orchidaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Lysias orbiculata
COMMON NAME:
Large Round-leaved Orchid, Dessert-plate Orchid
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_lyor_001_lvd
)
Terry Holdsclaw tdh_p_orbiculata
June Wautauga County NC
Flowering scape arises between a pair of distinctive flat rounded basal lvs, per Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Platanthera orbiculata
FAMILY
Orchidaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Platanthera orbiculata
FAMILY
Orchidaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Platanthera orbiculata
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 26
Platanthera orbiculata
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Platanthera orbiculata var. orbiculata
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 049-03-007:
Habenaria orbiculata
FAMILY
Orchidaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Lysias orbiculata
2853
Forb
Habitat: Moist hardwood forests and seeps, especially over mafic, calcareous, or other more nutrient-rich substrates, per Weakley's Flora
Native to North Carolina
Uncommon in NC Mountains, rare in NC Piedmont
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Basal (1-2)
FLOWER:
Summer/Fall
Greenish-white
Pedicel 1.5-2.5cm long
Bilaterally symmetrical
3 sepals, two lateral and one dorsal
3 petals, the two lateral similar and a third (the lip) enlarged
stamens and pistil fused together into a column
Inferior ovary
Raceme
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p084
- Wild Flowers of NC, 2nd edition (Justice, Bell, & Lindsey, 2005) p048
- Wildflowers of Tennessee (Carman, 2005) p403
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p462
- Wildflowers of the Southern Mountains (Smith, 1998) p027
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".