Copy permalink to share
Dioscoreaceae
Dioscorea

not marked as a favorite taxon Dioscorea quaternata J.F. Gmel.. Common name: Wild Yam. Phenology: Apr-Jun; Sep-Nov. Habitat: Moist forests and woodlands. Distribution: N. New Jersey, s. New York, s. Ontario, Wisconsin, se. Minnesota, and Iowa south to n. Florida and e. Texas.

Glossary (beta!)

Origin/Endemic status: Native

Synonymy : = C, F, G, K1, NS, Pa; = Dioscorea villosa L. — NY, Tn; = Merione species 3; > Dioscorea glauca Muhl. ex Bartlett — S; > Dioscorea hirticaulis Bartlett — Ward (1977c); > Dioscorea quaternata J.F. Gmel. — Mo1, NcTx, S, Tx; > Dioscorea quaternata J.F. Gmel. var. glauca (Muhl.) Fernald — Il, Tat; > Dioscorea quaternata J.F. Gmel. var. quaternata — Il; < Dioscorea villosa L. — Ar, Can, ETx1, FNA26, K4, Mi, NE, POWO, S13, Va, W, WH3; > Dioscorea villosa L. — Mo1, NcTx, Tx, Ward (1977c); > Dioscorea villosa L. var. hirticaulis (Bartlett) H.E.Ahles — Al-Shehbaz & Schubert (1989); >< Dioscorea villosa L. var. villosa — RAB. Basionym: Dioscorea quaternata J.F. Gmel. 1791

Links to other floras: < Dioscorea villosa - FNA26

Show in key(s)

Show parent genus | Show parent in key(s)

Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: FAC
  • Great Plains: FAC
  • Midwest: FAC
  • Northcentral & Northeast: FAC

Heliophily : 5

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

We don't have any photos of Dioscorea quaternata yet. If you have a good photo you'd like to share, please send it to us. Thanks for your contribution!

Feedback

See something missing or incorrect about Dioscorea quaternata? Let us know here:
  1. Please include your name and if possible, email in case when need to clarify what you wrote.
  2. If you opt out of including email, please be as specific as possible (e.g., which photo is incorrect?)
  3. Please do not submit questions asking to identify plants or about horticultural topics (e.g., how do I control an invasive plant in my garden?). Instead, those questions can be submitted here for the Carolinas region only.
  4. Please do not send us feedback about unkeyed species as this work is ongoing.
  5. Please allow time for flora edits to show in our next data release. We greatly appreciate your feedback but may require extra time to research complicated taxonomic issues.

Horticultural Information

No horticultural data found for this taxon.