Ludisia discolor

Common name(s): Juwel Orchid
Blooming time: winter to spring
Blooming colors: white
Height: 20 to 60 cm
Origin: China, Sumatra, Philippines
Hardiness zone (USDA): Z12 – up to 12 °C
Family: Orchidaceae
More infos: the images are showing Ludisia discolor “Dawsoniana”.
Green leaved cultivars are also available.