tupelo
/ˈtjuːpɪləʊ/noun
(pl. -os)
1- a North American or Asian tree of damp and swampy habitats, which yields useful timber紫树, 蓝果树。
1.1
- Genus Nyssa, family Nyssaceae: several species, in particular N. sylvatica.紫树属, 珙桐科：数种, 尤指多花蓝果树（亦称PEPPERIDGE）。
词源
mid 18th cent.: from Creek, from ito 'tree' + opilwa 'swamp'.