Native & Naturalized Plants of the Carolinas & Georgia


2853

Forb

Native to North Carolina
Documented growing wild in - NC -

Uncommon (rare in Piedmont)

Look for it in moist hardwood forests, esp over amphibolite, per Weakley's Flora

map
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partial shade ...Moist

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!



Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales

WEAKLEY'S FLORA (11/30/12):
Platanthera orbiculata   FAMILY Orchidaceae

(?) PLANTS NATIONAL DATABASE:
Platanthera orbiculata   FAMILY Orchidaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 049-03-007:
Habenaria orbiculata   FAMILY Orchidaceae

SYNONYMOUS WITH Synthesis of the North American Flora (Kartesz, 1999)
Platanthera orbiculata var. orbiculata

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933)
Lysias orbiculata

 

COMMON NAME:
Large Round-leaved Orchid, Dinner-plate Orchid


Click or hover over the thumbnails to see larger pictures.

image of Platanthera orbiculata

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_lyor_001_lvd

        

image of Platanthera orbiculata

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.