All the species are climbing or trailing vines. Two species cultivated as food – Basella alba (Malabar spinach) and Ullucus tuberosus (ulluco) – have been bred to a more erect, compact form. Three species grow tubers – Anredera cordifolia and A. vesicaria produce them in the leaf axils or at the base of the stem and U. tuberosus at the end of stolons. Leaf blades vary in shape between species, within species, and even on an individual plant.[3]
The two cultivated species are of economic importance.
References
^Angiosperm Phylogeny Group (2009), "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III", Botanical Journal of the Linnean Society, 161 (2): 105–121, doi:10.1111/j.1095-8339.2009.00996.x, hdl:10654/18083