Unusually wet habitats such as stream beds, flooded areas & swampy woodlands.

Height to 40 cm. Stem erect, leafy.
Leaves 3 - 4 shiny, lanceolate, sheathing the stem.
Spike lax to densely flowered, 10 - 40 flowers.
Flowers yellow-green; the tubercle of this orchid is a rounded projection on the lip surface in front of the spur opening, which accommodates a visiting, pollinating insect. Fragrance moderately strong and sweet.

Primarily a southern plant, found only rarely in Canada but occurring south to the Appalachian Mountains, Texas and Florida.

The Canadian Field-Naturalist
The Orchids of Bruce & Grey