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

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

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, Large Round-leaved Orchid, Dinner-plate Orchid

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

        

image of Platanthera orbiculata, Large Round-leaved Orchid, Dinner-plate Orchid

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.