''Solanum acaule'' is a species of

wild potato Wild potato may refer to: * Several species belonging to the genus ''Solanum'' section '' Petota'', such as ''Solanum jamesii'', ''Solanum berthaultii'', etc. * '' Thladiantha dubia'' (not related to potato) * '' Hedysarum alpinum'', a species of fl ...

in the family

Solanaceae The Solanaceae , or nightshades, are a family of flowering plants that ranges from annual and perennial herbs to vines, lianas, epiphytes, shrubs, and trees, and includes a number of agricultural crops, medicinal plants, spices, weeds, and orn ...

, native to Peru, Bolivia, northern Chile, and northwestern Argentina. It is being extensively studied for its resistance to ''

Phytophthora infestans ''Phytophthora infestans'' is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato disease known as late blight or potato blight. Early blight, caused by ''Alternaria solani'', is also often called "pot ...

'' (the cause of late potato blight),

Potato leafroll virus Potato leafroll virus (PLRV) is a member of the genus '' Polerovirus'' and family ''Solemoviridae''. The phloem limited positive sense RNA virus infects potatoes and other members of the family Solanaceae. PLRV was first described by Quanjer ' ...

Potato virus X Potato virus X (PVX) is a plant pathogenic virus of the family ''Alphaflexiviridae'' and the order '' Tymovirales''. PVX is found mainly in potatoes and is only transmitted mechanically. There are no insect or fungal vectors for this virus. This ...

Potato virus Y Potato virus Y (PVY) is a plant pathogenic virus of the family ''Potyviridae'', and one of the most important plant viruses affecting potato production. PVY infection of potato plants results in a variety of symptoms depending on the viral str ...

potato cyst nematode Potato root nematodes or potato cyst nematodes (PCN) are 1-mm long roundworms belonging to the genus ''Globodera'', which comprises around 12 species. They live on the roots of plants of the family Solanaceae, such as potatoes and tomatoes. PCN c ...

s, and frost, in an effort to improve the domestic potato ''

Solanum tuberosum The potato is a starch#Food, starchy food, a tuber of the plant ''Solanum tuberosum'' and is a root vegetable native to the Americas. The plant is a perennial plant, perennial in the nightshade family Solanaceae. Wild potato species can be fo ...

''.

References

acaule Flora of Peru Flora of Bolivia Flora of northern Chile Flora of Northwest Argentina Plants described in 1912 {{potato-stub