Robust epiphyte. Stem short, pendent. Leaves elliptic to obovate, to 50 cm long, to 10 cm wide, fleshy or leathery, glossy green. Inflorescences to 1 m long. Flowers few to many, to 10 cm wide, fragrant, mostly white, pinkish outside; most of year. Sepals ovate to elliptic. Petals nearly circular, clawed. Labellum 3-lobed, side lobes erect, midlobe cross-shaped with 2 terminal tendril-like appendages, base golden yellow with red suffusions, margins yellow.

Indonesia.

P. rosenstromii F.M. Bailey from Qld has been confused with P. amabilis, but has smaller flowers with a wider base to the labellum midlobe.

Source: Jeanes, J. (2005). Orchidaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.