Potato: Genetics – The Basics

Last year, I put together a summary of potato color genetics and ever since I have been getting emails asking questions.  A lot of those questions center on how to use the information.  I’m happy to try to answer those questions to the best of my ability, because I think potato genetics are fun.  This […]

Mashua: Tetraploid Variability

Twelve sets of three tubers each of seedlings out of Blanca mashua. Each is a little bit different, with mostly white or light yellow skin and various shades of red or purple eyes.

The domesticated varieties of mashua (Tropaeolum tuberosum) are tetraploid, meaning that they have four copies of each chromosome.  This allows the plant to carry twice the genetic diversity of a diploid organism (like most animals and many plants).  Balanced against that, mashua is most likely an autoploid, meaning that it became tetraploid by doubling its […]

Solanum x aemulans

Solanum x aemulans plant

Return to Wild Potato Index Purchase seeds or tubers of Solanum x aemulans Solanum x aemulans Common Name(s)   Code aem Synonyms S. acaule subsp. aemulans, S. acaule var. aemulans, S. x indunii Clade 4 Series Acaulia Ploidy Tetraploid (4x), triploid (3x) EBN 2 Tuberization Photoperiod Short day Self-compatible Yes Genome AAA Cytoplasm Type Unknown […]

Solanum flahaultii

Solanum flahaultii plant

Return to Wild Potato Index Purchase seeds or tubers of Solanum flahaultii Solanum flahaultii Common Name(s) Papa antigua (Correll 1962) Code flh Synonyms S. neovalnzuelae Clade 3+4 Series Conicibaccata Ploidy Tetraploid (4x) EBN Unknown (probably 4EBN) Tuberization Photoperiod Short day Self-compatible   Genome AAPP Cytoplasm Type M (Hosaka 2014) Citation Bitter: Repert. Spec. Nov. Regni […]

Solanum colombianum

A black and white photo of a tray of Solanum brevicaule tubers. They are about 1 to 2 inches long, oval, and similar in form to baking potatoes.

Return to Wild Potato Index Purchase seeds or tubers of Solanum colombianum Solanum colombianum Common Name(s) Papa de duende, papa de indio, papa de vieja (Correll 1962) Code col Synonyms S. cacetanum, S. calacalinum, S. cuatrecasasii, S. filamentum, S. jaenense, S. moscopanum, S. nemorosum, S. orocense, S. otites, S. pamplonense, S. paramoense, S. subpanduratum, S. […]

Solanum brevicaule

Solanum brevicaule tubers

Return to Wild Potato Index Purchase seeds or tubers of Solanum brevicaule Solanum brevicaule Common Name(s) Alcco papa, Apharuma, Atoc papa, Charca, C’kita papa, Ckascke, Jamach’i ch’ogue, Jamppatu papa, Llutu arac, Llutu papa, Papa de Perdiz, Papa de Zorro, Piscco papa Code brc Synonyms S. alandiae, S. anomalocalyx, S. avilesii, S. boliviense subsp. virgultorum, S. […]

Solanum andreanum

Solanum andreanum plant

Return to Wild Potato Index Purchase seeds or tubers of Solanum andreanum Solanum andreanum Common Name(s) Papa de vieja Code adr Synonyms S. baezense, S. burtonii, S. correllii, S. cyanophyllum, S. paucijugum, S. pichinchense, S. regularifolium, S. serratoris, S. solisii, S. suffrutescens, S. tuquerrense Clade 3 Series Tuberosa Ploidy Diploid (2x), tetraploid (4x) EBN 2 […]

Solanum hjertingii

Solanum hjertingii plant

Return to Wild Potato Index Purchase seeds or tubers of Solanum hjertingii Solanum hjertingii Common Name(s)   Code hjt Synonyms S. fendleri var. physaloides, S. leptosepalum, S. matehualae Clade 1+4 Series Longipedicellata Ploidy Tetraploid (4x) EBN 2 Tuberization Photoperiod Short day Self-compatible Probably Genome AABB Cytoplasm Type D (Hosaka 2014) Citation Hawkes: A revision of […]

Solanum agrimoniifolium

Solanum agrimoniifolium plant

Return to Wild Potato Index Purchase seeds or tubers of Solanum agrimonifolium Solanum agrimoniifolium Common Name(s) Tis-botch, ch’in ch’o (Stepp 2002), papa de marrana (Correll 1962) Code agf Synonyms S. agrimonifolium Clade 3+4 Series Conicibaccata Ploidy Tetraploid (4x) EBN 2 Tuberization Photoperiod Short day Self-compatible Yes (Lester 1991) Genome AAPP Cytoplasm Type M (Hosaka 2014) […]

Solanum cardiophyllum

Above ground plant of the wild potato species Solanum cardiophyllum

Return to Wild Potato Index Purchase seeds or tubers of Solanum cardiophyllum Solanum cardiophyllum Common Name(s) Cimatli, heartleaf horsenettle, heartleaf nightshade Code cph Synonyms S. lanciforme, S. coyoacanum Clade 1 Series Pinnatisecta Ploidy Diploid (2x), Triploid (3x), Tetraploid (4x) EBN 1 Tuberization Photoperiod Day neutral Self-compatible No (Kuhl 2002) Genome BB Cytoplasm Type W (Hosaka […]