Patersonia borneensis is a species of plant in the iris family Iridaceae and is endemic to a restricted area of Borneo. It is a tufted perennial with many leaves and pale lavender to bluish-purple tepals on a flowering stem shorter than the leaves.
Patersonia borneensis is a tufted, rhizome-forming perennial that typically grows to a height of and has many sword-shaped leaves wide. The flowering stem is shorter than the leaves, oval in cross-section, long and about in diameter with the sheath enclosing the flowers long. The outer tepals are pale lavender to bluish purple, egg-shaped and about long, and the hypanthium tube is about long. Flowering mainly occurs from December to April.[1]
Patersonia borneensis was first described in 1894 by Otto Stapf in the Journal of the Linnean Society, Botany from specimens collected on Mount Kinabalu by George Darby Haviland in 1892.[2]
This patersonia is restricted to the Mount Kinabalu massif in Sabah, Malaysia where it grows at altitudes between .