Robert W. Freckmann Herbarium

Attention

Because of technology changes and personnel changes at UWSP and the Wisconsin State Herbarium, the database of plant species housed at this site was merged with the database from the OLD WisFlora website to create a new Flora of Wisconsin website at http://wisflora.herbarium.wisc.edu/. Currently we are encouraging all Wisplant viewers to begin using the Flora of Wisconsin website as soon as possible. Wisplants will remain operational through July 13th. After that date, all traffic to Wisplants will be redirected to the Flora of Wisconsin website.

Please direct any comments to wisconsin.state.herbarium@gmail.com.

Thank you.


  Listera auriculata Wiegand image
Photographer: Jeff Hapeman           
Family Orchidaceae
Listera auriculata Wiegand
auricled twayblade
Listera: after Martin Lister (1638-1711), an English naturalist
auriculata: having ear-like structures
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Endangered
Plant: erect, perennial, 4"-10" tall forb; stems smooth below, mostly fuzzy above the leaves
Flower: pale green to bluish-green, 6-parted; lip 1/4"-2/5" long, wide base, divided to about 1/4 of its length; inflorescence with up to 20 stalked flowers in a loose, terminal, spike-like cluster (raceme); blooms July-Aug.
Leaf:single pair, opposite, stalkless, near the middle of the stem, round to oval, 3/4"-2 1/3" long and longer than the stalk of the inflorescence
Habitat: wet; bare sands in alder thickets, along streams near Lake Superior
(Glossary)

More Information Natural Communities Herbarium Specimens
All Listera list Google- Images or Text

Flora of North America (off site)
Synonyms 
Bifolium auriculatum (Wiegand) Nieuwl.
Neottia auriculata (Wiegand) Szlach.
Ophrys auriculata (Wiegand) House

         
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