This page is a draft, part of our ongoing wild potato project. I’ll probably be adding information to the species pages through 2020 at least, but I’m making them public since they may be useful even incomplete.

Solanum trifidum

Common Name(s):

Synonyms: none

Series: Trifida

EBN: 1

Ploidy: Diploid

Segregation: Disomic

Self-compatible: No

Cytoplasm Type: Unknown


Native to the states of Michoacan and Jalisco in Mexico, where it is primarily found in pine and oak forests and as a weed of cultivated fields.  Plants range from just a few inches to about three feet tall.  White flowers.  Berries are unusual, very long and tapering.

This species can survive frosts down to 26 degrees F (-3.5 C) (Li 1977).

Condition Level of Resistance Source

Glykoalkaloid content



Crosses with S. tuberosum

Female Male Berry Set Seed Set Germination Ploidy Source
 S. tuberosum S. trifidum None None     Jackson (1999)
 S. trifidum S. tuberosum None None     Jackson (1999)

Crosses with other species

Watanabe (1991) found that no varieties of this species produced 2n pollen, but Jackson (1999) found 3-15%.

Female Male Berry Set Seed Set Germination Ploidy Source



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