Robert W. Freckmann Herbarium

Orchidaceae: Orchid

Plants with many zygomorphic flowers either on a spike, solitary, or in a raceme. Flowers with 3 sepals often petal-like, 3 petals, one forming a lip which differs in shape, size and often color. Leaves simple parallel-veined.
Sort by: Traits or Genus
Flora of North America: Discussion, key to genera (opens new window)
Flower Formula:  Sepals 3; Petals 2+1z Glossary

Genus 
(Click for Taxon List)
WI Taxa
(map link)
Photo Genus Traits Google Searches
Aplectrum
1 Photo of Aplectrum Flowers pink with white, lip not inflated in loose cluster. Leaf broad, solitary, dark green with whitish veins, basal. Images   Information
Amerorchis
1 Photo of Amerorchis Flowers pink with white, lip not inflated, spotted in loose cluster. Leaf broad, solitary, almost basal . Images   Information
Galearis
1 Photo of Galearis Flowers pink with white, lip not inflated, not spotted in loose cluster. Leaves 2, basal, broad. Images   Information
Calopogon
grass pink
2 Photo of Calopogon Flowers pink; upper lip bearded, not inflated; in few-flowered, loose cluster. Leaf grass-like, solitary, near the base. Images   Information
Arethusa
1 Photo of Arethusa Flowers pink; with bearded lower, not inflated lip; solitary. Leaf grass-like, solitary, on the stem. Images   Information
Pogonia
1 Photo of Pogonia Flowers pale pink; with bearded lower, not inflated lip; usually 1 or 2. Leaves 1 along the stem, 1 beneath flower, grass-like. Images   Information
Triphora
nodding-caps
1 Photo of Triphora Flowers pale pink, white; with lip not inflated, not bearded; usually 1 or 2. Leaves usually alternate, broad. Images   Information
Calypso
calypso orchid
1 Photo of Calypso Flowers pink; lower lip inflated, bearded; flower solitary. Leaf broad, solitary, basal. Images   Information
Cypripedium
lady's-slipper, moccasin-flower
9 Photo of Cypripedium Flowers pink, yellow, or white; lower lip large, inflated, not bearded with 1-3 flowers. Leaves broad, several, basal. Images   Information
Epipactis
helleborine
1 Photo of Epipactis Flowers greenish-purple; inflated lip; in a loose spike-like cluster. Leaves alternate along stem. Images   Information
Goodyera
rattlesnake-plantain
5 Photo of Goodyera Flowers white or green; lip inflated; in a tight spike-like cluster. Leaves basal. Images   Information
Spiranthes
lady's-tresses
12 Photo of Spiranthes Flower white; lip not inflated, not bearded; in a tight spike-like cluster. Leaves mostly basal, stem leaves scale-like. Images   Information
Liparis
liparis, twayblade
2 Photo of Liparis Flowers purple-brown, yellow-green; lip not inflated, not bearded; in loose spike-like cluster. Leaves 1 pair near the base, broad. Images   Information
Listera
listera, twayblade
3 Photo of Listera Flowers greenish, red-purple; lip not inflated, not bearded; in spike-like cluster. Leaves 1 pair near middle of stem, broad, opposite. Images   Information
Platanthera
bog orchid
14 Photo of Platanthera Flowers pink, white, purple, greenish; lip not inflated; sometimes fringed; often hooded in loose cluster or spike. Leaf broad; basal or alternate. Images   Information
Coeloglossum
frog orchid
1 Photo of Coeloglossum Flowers small greenish; lip not inflated with pouch-like spur; in dense cluster. Leaves alternate, broad. Images   Information
Malaxis
adder's-mouth, adder's-mouth orchid
2 Photo of Malaxis Flowers small, greenish-white; upper lip not inflated; not bearded; in spike-like cluster. 1 leaf halfway up stem. Images   Information
Corallorhiza
coralroot
6 Photo of Corallorhiza Flower pink, orange; lip not inflated; in a spike-like cluster. Plants mostly without chlorophyll. No leaves. Images   Information


         
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