We don't have synonyms for giant taro yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are giant star and giant stars.
(n) :
A plant of species Alocasia macrorrhizos, native to maritime Southeast Asia, New Guinea, and Queensland introduced in many tropical areas, grown for its edible rhizomes and shoots and as an ornamental.
(n) :
A plant of species Alocasia macrorrhizos, native to maritime Southeast Asia, New Guinea, and Queensland introduced in many tropical areas, grown for its edible rhizomes and shoots and as an ornamental.