Stem or flowering scape 8 to 15 inches high, stout, smooth, without bracts, but with two fleshy, shining, dark-green, oval-orbicular or obovate, spreading or ascending leaves at the base, 3 to 6 inches long, rarely flat on the ground. Flowers in a rather loose raceme, 4 to 8 inches long, yellowish green; each flower about two-thirds of an inch long; lateral sepals greenish, lanceolate and spreading, about one-third of an inch long; petals narrowly linear; lip linear-lanceolate, pointed, one-third to nearly one-half of an inch long; spur slender, pointed, two-thirds of an inch or more long, as long or longer than the ovary.
In cool, moist woods, Nova Scotia to Minnesota, south to New Jersey, Pennsylvania and Iowa. Flowering in June and July or later, in the north.
Memoir 15 N. Y. State Museum
Plate 36 hooker's orchis Lysias hookeriana