甘あま茶ちゃの木きMeanings1nounHydrangea macrophylla var. thunbergiiA variety of bigleaf hydrangea whose leaves are used to make 甘茶 (amacha), a sweet herbal tea.See also: 甘茶甘あま茶ちゃの木きの葉はを乾かん燥そうさせて甘あま茶ちゃを作つくります。The leaves of the amacha-no-ki are dried to make amacha (sweet tea).