Return to Wild Potato Index

Solanum medians

Common Name(s) 
Solanum medians plant
Solanum medians plant
Codemed
SynonymsS. arahuayum, S. sandemanii, S. tacnaense, S. weberbaueri
Clade4
SeriesTuberosa
PloidyDiploid (2x), triploid (3x)
EBN2
Self-compatible 
Genome
AA
Cytoplasm TypeM (Hosaka 2009, as C)
Citation
Bitter: Repert. Spec. Nov. Regni Veg. 11: 366. 1912.

Description

Solanum medians distribution map
Solanum medians distribution map

(medians means intermediate) This species can survive frosts down to 27 degrees F (-3 C) (Li 1977).  Vega (1995) found that this species is less frost tolerant than domesticated potato.

ConditionLevel of ResistanceSource
 AphidsSomewhat resistantMachida-Hirano 2015
   

Glykoalkaloid content

Images

Solanum medians plant
Solanum medians plant
Solanum medians plant
Solanum medians plant
Solanum medians plant
Solanum medians plant
Solanum medians flower buds
Solanum medians flower buds
Solanum medians flower buds
Solanum medians flower buds
Solanum medians flower
Solanum medians flower
  
    

Cultivation

The USDA potato genebank has observed that germination of some accessions of this species is inhibited by GA3 (Bamberg 1999).

Breeding

Crosses with S. tuberosum

 

FemaleMaleBerry SetSeed SetGerminationPloidySource
S. tuberosumS. mediansLowNone  Jackson (1999)
S. mediansS. tuberosumNoneNone  Jackson (1999)
       

Crosses with other species

Jackson (1999) found 2-14% 2n pollen in varieties of this species.

FemaleMaleBerry SetSeed SetGerminationPloidySource
       

References

Solanum medians at Solanaceae Source

Solanum medians at GRIN Taxonomy