2n = 2x = 24 voucher: Okada 7630 (BAL) (Hijmans, et al. 2007)
Solanum infundibuliforme occurs from central Bolivia to northern Argentina, in dry rocky areas without vegetation, among spiny shrubs or cacti, or at the edges of cultivated fields or roadsides, occasionally within a cultivated field, in river beds or along streamsides, often in disturbed soil; 2350-4300 m in elevation.
Solanum infundibuliforme is a member of Solanum sect. Petota Dumort., the tuber-bearing cultivated and wild potatoes. Within sect. Petota, Solanum infundibuliforme is a member of a very diverse clade related to the cultivated potato. On a higher taxonomic level, it is a member of the informally-named Potato Clade, a group of perhaps 200-300 species that also includes the tomato and its wild relatives (Bohs, 2005).
Solanum infundibuliforme is a very distinctive wild potato species with its narrowly elliptic to linear leaves. It frequently grows with S. acaule, S. brevicaule, S. boliviense, S. oplocense and S. viirsooi. It is most similar to S. viirsooi from which it can be differentiated by its decumbent habit, its generally narrower and smaller number of lateral leaflets and the inflorescences situated in the distal part of the plant. The type specimen was collected in Chile when collected in 1885 or 1886 but this locality is now part of Bolivia.
Bohs, L. 2005. Major clades in Solanum based on ndhF sequences.
Pp. 27-49 in R. C. Keating, V. C. Hollowell, & T. B. Croat (eds.), A festschrift for William G. D’Arcy: the legacy of a taxonomist. Monographs in Systematic Botany from the Missouri Botanical Garden, Vol. 104. Missouri Botanical Garden Press, St. Louis.
Hijmans, R., T. Gavrilenko, S. Stephenson, J. Bamberg, A. Salas & D.M. Spooner 2007. Geographic and environmental range expansion through polyploidy in wild potatoes (Solanum section Petota).
Global Ecol. Biogeogr. 16: 485-495.