Amazon lily
Plant
Urceolina × grandiflora, formerly known as Eucharis × grandiflora, is a natural hybrid putatively between U. moorei and U. sanderi of the family Amaryllidaceae, native to western Colombia and western Ecuador.
The aneutriploid species U. amazonica... Wikipedia
Scientific name: Eucharis grandiflora
Family: Amaryllidaceae
Genus: Urceolina