Etymology: Listera: after Martin Lister (1638-1711), an English naturalist
Plants: erect, perennial, 4"-12" tall forb; stems smooth below, mostly fuzzy above the leaves; succulent
Leaves: single pair, opposite, stalkless, near the middle of the stem, broadly oval 1"-2 1/4" long
Flowers: greenish, 6-parted; lip 1/4"-2/5" long, translucent, narrow base, tip divided into 2 shallow, rounded lobes; inflorescence a 3/4"-4 1/2" loose, terminal, spike-like cluster (raceme) with up to 20 stalked flowers; blooms July-Aug.
Habitat: deep shade; moist; ravines in mixed or coniferous woods; in rich soil
Conservation Status: Threatened
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 10, Wetland Indicator = FACW WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin listed species including state and federal status, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos Minnesota Dept. of Natural Resources: Rare Species Guide; description, conservation, photos, maps, etc.