Johnsonia inconspicua is a glabrous plant with grass-like leaves long and wide. The flowering scape is wide, with floralbracts long and wide. The perianth is long and greenish-white or pale pink with a brown stripe in the middle. The perianth is wide and joined at the base, and the sepals are wider than the petals. The anthers and the style are about long. Flowering occurs from October to November and the fruit is a capsule long.