Name |
Plant breeder |
Parentage |
Root skin (epidermis) colour |
Root flesh (medulla) colour |
Notes |
Origin |
Acadian |
Louisiana State University[4] | L21 × L131[4] | copper | orange | Does not appear | US |
Allgold / Okla. 240 |
Oklahoma State University–Stillwater[4] | Creole × Triumph (Parent 10)[4] | tan[1] | orange | Does not appear | US |
Americana |
? | ? | ? | ? | Does not appear | ? |
Apache |
USDA (United States Department of Agriculture)[4] | (Yellow Yam 149 × Nancy Hall 42–1) × (Pelican Processor Triumph)[4] | orange | ? | Does not appear | US |
Australian Canner |
Department of Agriculture (Australia)[4] | ? | ? | ? | Adaptation trials/naming by USDA et al.[4] | Australia |
Ayamurasaki |
? | indigenous | sangria | plum | Also called beniimo | Okinawa |
Baker / V 2158 |
Norfolk, Virginia[4] | Virginian × numbered seedling[4] | ? | ? | Does not appear | US |
Beauregard |
Baton Rouge, Louisiana[4] | open-pollinated seedling of L78-21[4] | rose[5] | orange[5] | First cultivated in 1987[5] | US |
Bonara |
? | ? | ? | ? | Does not appear | ? |
Campeon |
? | ? | light red[6] | white[6] | Commonly called boniato[6] (a word for sweet potato in Cuban Spanish) | ? |
Canbake / G-52-15-1 |
Georgia Agricultural Experiment Station (AES)[4] | ? | ? | ? | Does not appear | US |
Caro-Gold |
Clemson College[4] | C317 × Goldrush[4] | bright purple | orange | Does not appear | US |
Carolina Bunch |
US Vegetable Laboratory (USDA Agricultural Research Service); South Carolina AES[4] | open pollinated seedling of Excel[4] | light copper | deep orange | Does not appear | US |
Carolina Nugget |
North Carolina State University[4] | HM1-36 × Lakan[4] | rosy | medium orange | First cultivated in 1954[4] | US |
Carolina Ruby |
North Carolina Agricultural Research Service (NCARS)[4] | open pollinated seedling of Beauregard[4] | dark red to purple-red[5] | dark orange[5] | First cultivated in 1988[5] | US |
Caromex |
North Carolina State University[4] | NC228 × NC234[4] | dark copper | deep orange | First cultivated in 1971[4] | US |
Carver |
Tuskegee Institute[4] | Centennial × Jewel[4] | deep rose | deep orange | Does not appear | US |
Centennial / L-3-77 |
Louisiana AES (Baton Rouge, Louisiana)[4] | Unit IPR × Pelican Processor[4] | orange[7] | orange[7] | Does not appear | US |
Chipper |
? | ? | ? | ? | Does not appear | ? |
Covington NC98-608 |
North Carolina State University[4] | ? | rose[5] | orange[5] | Smooth skin[5] | US |
Cliett Bunch Porto Rico / Georgia Bunch Porto Rico |
University of Georgia Coastal Plain Experiment Station (Tifton, Georgia)[4] | mutation from Vining Porto Rico[4] | ? | ? | Similar to Vining Porto Rico[4] | US |
Coastal Red |
University of Georgia Coastal Plain Experiment Station (Tifton, Georgia)[4] | open-pollinated seedling from GA-76[4] | red | medium orange | First cultivated in 1978[4] | US |
Coppergold |
L. A. Sharum (Fort Smith, Arkansas)[4] | selected mutation in Allgold[4] | russet copper | ? | Does not appear | US |
Cordner |
Texas AES and Oklahoma State University[4] | copper[5] | medium orange[5] | ? | First cultivated in 1983[5] | US |
Creole |
? | ? | ? | ? | Does not appear | ? |
Darby |
Louisiana AES (Baton Rouge, Louisiana)[4] | open pollinated seedling of L 83-523[4] | dark rose | orange | Purple stems[4] | US |
Don Juan |
Puerto Rico AES (Río Piedras, Puerto Rico)[4] | selected from native stock[4] | ? | ? | Does not appear | Puerto Rico |
Earlyport |
Louisiana AES (Baton Rouge, Louisiana)[4] | (Mameyita × seedling L-4-6) × (seedling L-5 × Triumph)[4] | copper | orange | Similar to Porto Rico[4] | US |
Earlysweet / T-3 |
University of Georgia Coastal Plain Experiment Station (Tifton, Georgia)[4] | Porto Rico × unnamed breeding lines[4] | light-skinned | deep orange | Does not appear | US |
Eureka |
Louisiana State University AES; University of California AES[4] | L9-163 × LO-132[4] | copper | orange | Does not appear | US |
Evangeline |
Louisiana[8] | ? | rose | orange[8] | Does not appear | US |
Excel |
USDA and the South Carolina AES[4] | open-pollinated seedling of Regal polycrossed in 1981 to 29 other parental selections[4] | light copper | orange | Skin color is slightly lighter than that of Jewel[4] | US |
GA90-16 |
Georgia AES; US Vegetable Laboratory (USDA ARS)[4] | ? | ? | white | Low sugar, low maltose[4] | US |
Garnet |
? | ? | pale copper | brilliant orange | Commonly called "yams" in the United States to distinguish them from O'Henry sweet potatoes[4] | US |
Georgia Jet |
? | ? | purplish red | deep orange | Does not appear | US |
Georgia Red / T-6 |
University of Georgia Coastal Plain Experiment Station (Tifton, Georgia)[4] | Porto Rican crosses[4] | coppery-red skin | ? | Similar to Porto Rico[4] | US |
Gold Rush |
Louisiana AES (Baton Rouge, Louisiana)[4] | (Mameyita × Seedling L4-6) × (Seedling L-5 × Triumph)[4] | light copper | deep orange | Purple stems[4] | US |
Golden Belle |
Bryce Woods (Rogers, Arkansas)[4] | Nancy Gold mutation[4] | ? | golden | Flesh color differs from Nancy Hall. | US |
Goldmar |
Maryland AES (College Park, Maryland)[4] | Redmar mutation[4] | golden | ? | Cultivated in 1973. Similar to Redmar, but different skin color.[4] | US |
Grand Asia |
? | ? | pink | white | Boniato-type similar to 'Japanese'[9] | ? |
Hannah Sweet |
? | ? | ? | ? | Does not appear | ? |
Hayman White |
? | ? | tan[10] | cream[10] | An heirloom variety of the Eastern United States[11][12] | US |
Heartogold |
Louisiana State University[4] | Mameyita × Yellow Yam[4] | flesh-colored | deep orange | Does not appear | US |
Hernandez |
Louisiana State University AES[4] | seedling of L70-323[4] | burnt orange[5] | deep orange[5] | First cultivated in 1992[5] | US |
HiDry |
Clemson University; USDA[4] | fourth-generation, open-pollinated selection from MK-14[4] | white | cream | Cultivated for industrial use[4] | US |
Hoolehua Gold |
? | ? | pale red | orange | Does not appear | ? |
Hoolehua Red |
? | ? | red | off-white | Does not appear | ? |
Hopi / HM-122 |
USDA Horticultural Field Station (Meridian, Mississippi)[4] | ? | ? | ? | Does not appear | US |
Houhere |
Māori traditional | pre-European "kūmara" type[13] | pink | yellow | Rectangular tubers | New Zealand |
Hutihuti |
Māori traditional | pre-European "kūmara" type[14] | cream | cream | Long, thin, up to 20 roots per plant[13] | New Zealand |
Iliua |
? | ? | ? | ? | Does not appear | ? |
Japanese / Oriental |
? | ? | purplish red | pale | Boniato-type.[9] Comparatively lower moisture.[8] | ? |
Jersey Orange / Orange Little Stern |
Kansas State College; Rutgers University[4] | ? | orange-brown | deep orange | Size and shape are similar to that of Jersey Yellow[4] | US |
Jersey Red |
? | ? | ? | ? | An heirloom variety[10] | US |
Jersey Yellow |
? | ? | golden, buff, or tan | cream to bright yellow | An heirloom variety[10] | US |
Jewel |
North Carolina State University | ? | copper[5] | deep orange[5] | First cultivated in 1970.[5] Commonly called "yams" in the United States to distinguish them from O'Henry sweet potatoes. | US |
Kandee / K1716 |
Kansas State College[4] | La 1946 Cross 17 × 1 (yellow yam × Nancy Hall)[4] | reddish bronze | bright orange | Does not appear | US |
Kona B |
? | ? | pale red to orange-red | light orange | Does not appear | ? |
Kote Buki |
? | ? | purplish red | white | Mid-season | ? |
Lakan / L-0-123 |
Louisiana AES (Baton Rouge, Louisiana)[4] | (Unit IPR × Pelican. Processor) × (Mameyita × L-4-6)[4] | reddish-bronze to reddish-tan | bright orange | Does not appear | US |
Mameyita |
? | ? | ? | ? | Does not appear | ? |
Maryland Golden |
? | ? | ? | ? | Does not appear | US |
Miguela |
? | ? | ? | ? | Does not appear | ? |
Murasaki |
? | ? | hybiscus | pale | Low moisture[8] | ? |
Murff Bush Porto Rico |
E. L. Murff (Normangee, Texas)[4] | Porto Rico mutation[4] | copper[7] | orange[7] | First cultivated in 1949. Similar to Porto Rico.[4] | US |
Nancy Gold |
Kansas State College AES[4] | Nancy Hall mutation[4] | buff-colored | deep-orange | Skin color differs from Nancy Hall[4] | US |
Nancy Hall |
? | ? | tan | yellow | Does not appear | ? |
Nemagold / Okla. 46 |
Oklahoma State University–Stillwater[4] | Yellow Jersey (Orlis strain) × Okla. 29[4] | ? | ? | Does not appear | US |
Northern Star |
? | ? | ? | ? | Cultivated in Australia | ? |
Nugget / NC-171 |
North Carolina AES (Raleigh, North Carolina)[4] | NC-124 × (NC-41 × B5965)[4] | ? | ? | Does not appear | US |
O'Henry |
Henry Wayne Bailey [(Vardaman, MS)][15] | Beauregard mutation[15] | coppery tan | lemon cream | Variant of Beauregard[8] | US |
Okla. 46 |
Oklahoma State University–Stillwater[4] | Okla. 29 × Orlis [Okla. 29-Parent 10 (see Allgold) × L37 (see Red Gold)][4] | golden russet | orange | Roots and vines are like yellow Jersey or Orlis; shouldered leaves | US |
Oklamar / Okla. 52 |
Oklahoma State University–Stillwater AES[4] | Oklahoma 5 × Australian Canner[4] | purple | salmon | Does not appear | US |
Oklamex Red |
Oklahoma and New Mexico AES | B 1564 × PI 153655 | dark red | salmon | Extremely sweet, moist root; yam-type | US |
Onokeo |
? | ? | violet | ivory | Does not appear | ? |
Onolena / HES number 14 |
Vegetable Crops Department, University of Hawaii (Honolulu)[4] | Porto Rico × Nancy Hall[4] | tan | dark orange | Similar to Porto Rico[4] | US |
Orange Sunset |
Plant & Food Research | ? | purple | orange and purple | First cultivated in 2014[16] | New Zealand |
Orlis |
Kansas State College[4] | mutation from Common Little Stem Jersey[4] | bronze | ? | Similar to Little Stem Jersey | US |
Owairaka Red |
Fay Gock and Joe Gock[17] | waina type[18][16] | dark red | yellow | As of 2000, the preeminent cultivar of New Zealand (followed by Toka Toka Gold and Beauregard)[19] | New Zealand |
Papota |
USDA ARS; Tropical Agricultural Research Station[4] | International Institute of Tropical Agr. seedling[4] | white | beige | Turnip-shaped root[4] | US |
Parapara |
Māori traditional | ? | pink | ? | Medicinal variety, used to feed babies, the elderly, and the sick[20] | New Zealand |
Pelican Processor / L-5 / L-4-5 |
Louisiana AES (Baton Rouge, Louisiana)[4] | selfed seedling of Americana[4] | cream | light cream | Does not appear | US |
Picadita |
? | ? | purple-red[6] | white[6] | Commonly called boniato[6] (a word for sweet potato in Cuban Spanish) | ? |
Pope |
North Carolina State University[4] | NC 288 × 304[4] | light salmon | medium orange | Does not appear | US |
Poporo |
Māori traditional | ? | purple | purple | traditional sweet and dry variety[20] | New Zealand |
Porto Rico 198 / Porto Rican / Puerto Rican |
North Carolina[5] | ? | rose-pink[5] | orange mottled[5] | First cultivated in 1966[5] | US |
Purple Dawn |
Plant & Food Research | ? | purple | purple | First cultivated in 2014[16] | New Zealand |
Purple Heart / Okinawa |
Okinawa Island | ? | tan | grape | Also cultivated in Hawaii | Japan |
Queen Mary / L-126 |
Louisiana AES (Baton Rouge, Louisiana)[4] | Porto Rico × Nancy Hall[4] | ? | ? | Similar to Porto Rico[4] | US |
Ranger |
Louisiana State University[4] | Porto Rico × Nancy Hall[4] | flesh-colored | orange | Similar to Nancy Hall | US |
Rapoza |
? | ? | ivory | purple | Does not appear | ? |
Rekarawa |
Māori traditional | ? | white | ? | chestnut flavour[20] | New Zealand |
Rekamaroa |
Māori traditional | pre-European "kūmara" type[13][14] | white | ? | Does not appear | New Zealand |
Red Diane |
? | ? | ? | ? | Does not appear | ? |
Red Garnet |
? | ? | deep red to purple[15] | orange[15] | Does not appear | ? |
Red Jewel |
? | ? | red | deep orange | Does not appear | ? |
Red Nancy |
Kansas State College[4] | mutation of Nancy Gold[4] | red | orange | Similar to Nancy Gold[4] | US |
Redglow |
University of Georgia AES; California AES[4] | open pollinated seedling of GA-109[4] | light, purple-red | deep orange | Does not appear | US |
Redgold / Okla. 26 |
Oklahoma State University–Stillwater[4] | Okla. 2 × L37 (seedlings involving Creole, Nancy Hall and Porto Rico)[4] | red | orange | Does not appear | US |
Redmar / Md 2416 |
Maryland AES (College Park, Maryland) | [(K18400 × B6313) × Shoreland × (Virginian × K1846)] | red | ? | First cultivated in 1971. Similar to Nemagold[4] | US |
Regal |
USDA ARS; South Carolina AES (Clemson University); Texas Agricultural Station (Texas A&M University)[4] | seedling of W-99 polycrossed with 29 other parental selections[4] | dark purplish-red | orange to deep orange | Does not appear | US |
Resisto |
USDA; South Carolina AES; Texas AES[4] | seedling of W-56[4] | reddish-copper | dark orange | Does not appear | US |
Rojo Blanco |
Tuskegee Institute[4] | Rose Centennial × White Triumph[4] | deep red | milk white | Does not appear | US |
Romanawa |
Māori traditional[20] | ? | gold | yellow/orange | Does not appear | New Zealand |
Rose Centennial |
? | ? | ? | ? | Does not appear | ? |
Ruddy |
US Vegetable Laboratory (USDA ARS); South Carolina AES[4] | open pollinated seedling of W-119[4] | red skin | orange | Does not appear | US |
Scarlet |
North Carolina Agricultural Research Service (NCARS)[4] | selected from meristem-tip culture derived clones of Jewel[4] | ? | orange | Does not appear | US |
Shore Gold |
Virginia Tech Experiment Station[4] | open pollinated seedling of L7-177 from the Louisiana breeding program[4] | light copper | bright orange | Does not appear | US |
Southern Delite |
USDA ARS; Clemson University[4][15] | an open pollinated seedling of W-99[4] | rose to dark copper | orange | Made publicly available in 1986.[15] Skin color varies with soil type[4] | US |
Stokes Purple |
Unknown (North Carolina)[21] | | purple gray | dark purple | Made publicly available in 2012. | US |
Sumor |
USDA ARS; United States Vegetable Laboratory; South Carolina AES (Clemson University); Edisto Research and Education Center[4] | open pollinated seedling of W-154[4] | light tan | white to yellow | Comparatively high vitamin C[15] | US |
Sunnyside |
USDA (Beltsville, Maryland and Louisiana)[4] | (Yellow Yam × Nancy Hall) × (Pelican Processor × Triumph)[4] | ? | ? | Does not appear | US |
Sweet Red |
North Carolina State University[4] | open pollinated seedling of NC 258[4] | deep copper-red | deep orange | Does not appear | US |
Tango |
USDA; Missouri AES (Columbia, Missouri); Sweet Potato Cooperative Group (Beltsville, Maryland)[4] | Nancy Hall × Porto Rico 1-10[4] | ? | ? | Does not appear | US |
Tanhoma |
Oklahoma State University–Stillwater AES[4] | selection Australian Canner[4] | ? | ? | Does not appear | US |
Taputini |
Māori traditional | pre-European "kūmara" type[14] | cream | cream | Long, thin, up to 20 roots per plant[13] | New Zealand |
Toka Toka Gold |
? | ? | gold | white | Became commercially available in 1972[22][16] | New Zealand |
Topaz |
Texas AES[4] | open pollinated seedling of W-26[4] | bronze | medium orange | Does not appear | ? |
Travis |
Louisiana AES[4] | polycross with L3-217 as seed parent[4] | rose | deep orange | First cultivated in 1980 | US |
UPLSP-1 |
? | ? | ? | ? | Cultivated in the Philippines[23] | ? |
UPLSP-2 |
? | ? | ? | ? | Cultivated in the Philippines[23] | ? |
U.P.R. number 3 |
Puerto Rico AES (Río Piedras, Puerto Rico)[4] | selected from Mameya; open-pollinated[4] | ? | ? | Does not appear | Puerto Rico |
U.P.R. number 7 |
Puerto Rico AES (Río Piedras, Puerto Rico)[4] | L-240[4] | ? | deep orange | Does not appear | Puerto Rico |
Vardaman |
? | ? | golden[7] | light orange | Does not appear | US |
Virginian / V-53 |
Truck Experiment Station (near Norfolk, Virginia)[4] | Maryland Golden × B-219[4] | purplish-red to copper-red | bright orange | Does not appear | US |
VSP-5 |
? | ? | ? | ? | Cultivated in the Philippines[23] | ? |
VSP-6 |
? | ? | ? | ? | Cultivated in the Philippines[23] | ? |
Waimanalo Red |
? | ? | red | pearl | Does not appear | ? |
Waina |
? | ? | ? | ? | Vining variety brought to New Zealand in the 1800s[18] | ? |
White Delite |
North Carolina State University[4] | cross between a University of Georgia breeding clone (GA41) and an unknown pollen parent[4] | purplish pink[5][9] | white[5] | First cultivated in 1979[5] | US |
White Triumph |
? | ? | ? | ? | Does not appear | ? |
Whitestar |
USDA (Beltsville, Maryland)[4] | cultivar Laupahoehoe (Hawaii)[4] | white | pale | Does not appear | US |
Yellow Yam |
? | ? | ? | ? | Does not appear | ? |