Amazon lily

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a bulbous plant, Eucharis amazonica, of the family Amaryllidaceae, having tight, compact rosettes of glossy green leaves and tall spikes of white, fragrant flowers
• noun a giant water lily, Victoria amazonica, with circular leaves of up to 8 feet in diameter having large white female flowers that bloom at night, and change to pink male ones the next night.