|P. hirsutissimum has linear mid-green leaves, to 18 inches long. In spring, bears solitary flowers, with green and rose-mauve petals, green upper sepals with brown shading, and greenish brown pouches, all dotted with fine brown hairs.
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.