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Your search found 74 taxa.
The inflated lower petal forms a moccasin-like pouch 1.5-2" long, per Wild Flowers of NC, 1st edition.
Sepals & lateral petals greenish-brown/brownish-yellow, pouch 1" or more, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Lateral petals & sepals dark reddish-brown, yellow pouch less than 1" long, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Purple-brown sepals & twisted petals; the lip a creamy to dull yellow pouch, per Wildflowers of Tennessee.
Petals white, spreading, narrowly oblong. Lip is a white-streaked rose pouch, per Wildflowers of Tennessee.
Helmet magenta-purple, lavender or white; lip usually but not always white, per Wild Orchids of South Carolina: A Popular Natural History.
The lip is divided into 3 lobes, each consisting of hairlike separations, per Wild Orchids of South Carolina: A Popular Natural History.
Lip with 3 heavily fringed lobes. Nectary opening usually barbell-shaped, per Wild Orchids of South Carolina: A Popular Natural History.
A squarish to roundish (never dumbbell-shaped) opening at lip base, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Lip petal split into 3 widely spreading lobes, margin serrated not fringed, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
"Quinqueseta" refers to conspicuous hornlike lobes of lip & lateral petals, per Atlantic Coastal Plain Wildflowers.
The petals and lip resemble spider legs splayed against the plant's sepals, per Wild Orchids of South Carolina: A Popular Natural History.
Lip petal with tiny rounded teeth (not fringed), per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Flowers so white as to seem illuminated from within. Lip entire. Spur 11-23mm, per Weakley's Flora.
A loose terminal spike of 10-40 yellowish-green flowers, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
The lip of each 1/4" flower is slightly larger at its 3-lobed tip, per Wild Orchids of South Carolina: A Popular Natural History.
Lip has a filiform fringe & a distinct isthmus. Spur often to 3" long, per Wild Orchids of South Carolina: A Popular Natural History.
Similar to P. blephariglottis var. conspicua, except its lip is unfringed, per Wild Orchids of South Carolina: A Popular Natural History.
Half-inch-long narrow lip completely bordered by a fine feathery fringing, per Wild Orchids of South Carolina: A Popular Natural History.
Flowers about half the size of P. ciliaris, with less extensive fringing, per Wild Orchids of South Carolina: A Popular Natural History.
Lip broadens into 2 rounded flat lobes with a tiny tooth between the lobes, per Wild Orchids of South Carolina: A Popular Natural History.
The half-inch flowers usually reddish-purple, pinkish, or purplish-green, per Wild Orchids of South Carolina: A Popular Natural History.
Petals and sepals may be pure white or white tipped with pink or purple, per Wild Orchids of South Carolina: A Popular Natural History.
3 long, narrow sepals are light green at base, dark purplish-brown at tips, per Wild Orchids of South Carolina: A Popular Natural History.
The flower is surrounded by three 1" sepals the same color as the leaves, per Wild Orchids of South Carolina: A Popular Natural History.
Sepals and petals usually pink, the lip tipped with deep purplish magenta, per Wild Orchids of South Carolina: A Popular Natural History.
Flower color is generally pink, vs. the mostly white-flowered C. bifaria, per Atlantic Coastal Plain Wildflowers.
The protruding lip has purple markings and a blotch of yellow bristles, per Wild Orchids of South Carolina: A Popular Natural History.
Petals and sepals generally point upward; lip curls downward like a tongue, per Wild Orchids of South Carolina: A Popular Natural History.
Distinguished by cluster of 3-6 flowers all opening about the same time, per Wild Orchids of South Carolina: A Popular Natural History.
Upper petal (lip) narrow, spreading to a triangular tip w orange bristles, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Lateral sepals distinctively reflexed backward w their apices behind flower, per Atlantic Coastal Plain Wildflowers.
Petals widest above the middle, with a narrow base and bluntly pointed tip, per Field Guide to the Rare Plants of Georgia.
Dilated distal portion of middle lip lobe triangular to braodly rounded, per Weakley's Flora.
Flowers white with green stripes, positioned horizonatally - "pointing up", per Wild Orchids of South Carolina: A Popular Natural History.
The 1/4" flowers are aligned in 3 fairly vertical ranks, per Wild Orchids of South Carolina: A Popular Natural History.
Flowers' base arched prominently downward, giving flwrs a nodding posture, per Native Orchids of the Southern Appalachian Mountains.
Lip oval, without the dilation seen in S. cernua, its center pale yellow, per Native Orchids of the Southern Appalachian Mountains.
These flowers are usually more yellowish than the bright white S. cernua, per Wild Orchids of South Carolina: A Popular Natural History.
Flowers strongly fragrant, white w a creamy or greenish-yellow lip center, per Wild Orchids of South Carolina: A Popular Natural History.
Plants may exhibit flowers in either a tight or a loose spiral, per Wild Orchids of South Carolina: A Popular Natural History.