Solanum huaylasense is a species of plant (wild tomato) in the family Solanaceae. It is endemic to Peru.
It is a sprawling perennial herb, woody at the base, the herb being up to 1 metre (3.3 ft) or more in diameter and up to 1m tall. Its stem diameter ranges between 7 and 10 millimetres (0.28 and 0.39 in) at the base, not hollow in age, green, minutely puberulent with simple, uniseriate, stiff 1–2-celled trichomes. Sympodial units are 2-foliate (sometimes 3-foliate); internodes between 2 and 6 centimetres ...