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 hougasii

Synonyms: S. spectabile, S. verrucosum var. spectabile

Series: Iopetala

EBN: 4

Ploidy: Hexaploid

Segregation: Unknown

Self-compatible: Unknown (probably yes)

Cytoplasm Type: D (Hosaka 2014)


A species of limited distribution in southwest Mexico.  Plants reach a little over two feet tall.  White flowers.  Round berries.

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

Condition Level of Resistance Source

Glykoalkaloid content


I have found seeds of this species easy to germinate using the standard conditions for S. tuberosum.


Crosses with S. tuberosum

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

Crosses with other species

Watanabe (1991) found that 37.5% of varieties of this species produced 2n pollen and Jackson (1999) found 3-13%.

Female Male Berry Set Seed Set Germination Ploidy Source

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