Characteristics
Monocots
Dioscorea villosa L.
WILD YAM; FOURLEAF YAM
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**
Native
FACW (NWPL)
**
Classification
Citation
DIOSCOREA VILLOSA Linnaeus, Sp. Pl. 1033. 1753.
**
VIRGINIA: Without data, Clayton 94 (lectotype: BM). Lectotypified by S. F. Blake, Rhodora 2: 49. 1918.
Species Distribution Map
Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. Click on a county to display its name.
Source
County
Herbaria
Literature Citation (If Applicable)
Alachua
FTG
Escambia
USF
Jackson
FLAS
Leon
FSU
Liberty
FSU
Okaloosa
USF
Wakulla
FSU
Walton
FTG
Washington
FSU
Synonyms
Synonym
Full Citation
Basionym
Type
Dioscorea cliffortiana
Dioscorea cliffortiana Lamarck, Encycl. 3: 232. 1789, nom. illegit.
BASIONYM: Dioscorea sativa Linnaeus 1753.
Dioscorea glauca
Dioscorea glauca Muhlenberg ex Bartlett, Bull. Bur. Pl. Industr., U.S.D.A.. 189: 10, 13. 1910.
Dioscorea hexaphylla
Dioscorea hexaphylla Rafinesque, New Fl. 2: 89. 1837 ("1836").
TYPE: VIRGINIA:
Dioscorea hirticaulis
Dioscorea hirticaulis Bartlett, Bull. Bur. Pl. Industr., U.S.D.A. 189: 17. 1910.
Dioscorea lloydiana
Dioscorea lloydiana E. H. L. Krause, Beih. Bot. Centralbl. 32(2): 331. 1914.
BASIONYM: Dioscorea villosa Linnaeus, var. glabra C. Lloyd 1880.
Dioscorea longifolia
Dioscorea longifolia Rafinesque, New Fl. 2: 89. 1837 ("1836").
TYPE: ALABAMA:
Dioscorea megaptera
Dioscorea megaptera Rafinesque, New Fl. 2: 88. 1837 ("1836").
TYPE: KENTUCKY:
Dioscorea paniculata
Dioscorea paniculata Michaux, Fl. Bor.-Amer. 2: 239. 1803, nom. illegit.
BASIONYM: Dioscorea villosa Linnaeus 1753.
Dioscorea paniculata var. glabrifolia
Dioscorea paniculata Michaux, var. glabrifolia Bartlett, Bull. Bur. Pl. Industr., U.S.D.A. 189: 15. 1910.
Dioscorea pruinosa
Dioscorea pruinosa Kunth, Enum. Pl. 5: 338. 1850.
Specimens and Distribution
Click on an Accession Number to view additional details about the specimen.
Counties listed:
Range of years during which specimens were collected:
Accession No.
Country
State
County
Collection Date
Collector & Collection No
Notes
Image
No specimens found
Plant Photos
