|P. niveum blooms in summer, white flowers, 3 inches across, with small red spots.
Thick, broad, strap-shaped green leaves, often mottled with light grey-green. Orchid-shaped blooms with a distinctive pouch are borne singly. Prefers cool to intermediate temperature and ample moisture. Some species require night chilling. Mottle-leafed species require less chilling at night. High humidity preferred during summer months.