| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Dioscorea (yam)
Taxonomy
Dioscorea was named by Linnaeus (1753). It is extant.
It was assigned to Dioscoreaceae by Knowlton (1919), Jacobs and Kabuye (1987), Pan et al. (2014).
It was assigned to Dioscoreaceae by Knowlton (1919), Jacobs and Kabuye (1987), Pan et al. (2014).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1753 | Dioscorea Linnaeus |
| 1919 | Dioscorea Knowlton |
| 1987 | Dioscorea Jacobs and Kabuye p. 150 figs. Table 1 |
| 2014 | Dioscorea Pan et al. p. 18 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. Dioscorea Linnaeus 1753 [yam]
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Dioscorea aculeata Linnaeus 1753
Dioscorea alata Linnaeus 1753
Dioscorea bulbifera Linnaeus 1753
†Dioscorea cretacea Lesquereux 1874
Dioscorea oppositifolia Linnaeus 1753
Dioscorea pentaphylla Linnaeus 1753
Dioscorea sativa Linnaeus 1753
Dioscorea triphylla Linnaeus 1753
Dioscorea villosa Linnaeus 1753
†Dioscorea wilkinii Pan et al. 2014
Invalid names: Lasiophyton Uline 1897 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range
Maximum range based only on fossils: base of the Chadronian to the top of the Late/Upper Pliocene or 37.00000 to 2.58000 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadronian | USA (Colorado) | Dioscorea sp. (24209) | |
| Late/Upper Oligocene | Ethiopia | Dioscorea wilkinii (169320) | |
| Early/Lower Miocene - Late/Upper Miocene | Colombia (Santander) | Dioscorea sp. (32100) | |
| Langhian | Germany (Sachsen) | Dioscorea liblarensis (27517) | |
| Serravallian | Kenya | Dioscorea longicuspis (22266) Dioscorea sp. (22315) | |
| Late/Upper Pliocene | China (Yunnan) | Dioscorea sp. (224402) |