Sechium edule (chayote).

Abstract Sechium edule is a vine native to Mexico that has been widely introduced and cultivated for human consumption. The fruits, tubers, seeds and young shoots are edible and widely commercialized. This species has escaped from cultivation and now grows spontaneously on abandoned agricultural lands and disturbed sites near villages and roadsides. Under favorable environmental conditions, S. edule grows copiously and can form dense colonies. The climbing stems may be several meters in length and may ascent high into forest canopies, engulfing native vegetation and shading-out plants in the understory. S. edule can also suffocate and breakdown trees and shrubs that support it due to its heavy weight. Currently, it is listed as invasive in Brazil, Cuba, Puerto Rico, New Caledonia, Reunion, Bismarck Archipelago and Hawaii.