See the entire entry for bēṯ šqē, bēṯ šeqyā n.m. irrigated area

BTŠab 21a(12) :לצלוליבא דמי : it is similar to the ricinus tree

See the entire entry for ṣlawlā/īḇ, ṣlawlā/īḇā n.m. a ricinus tree