The genus name is derived from the Greek words krokos, meaning "saffron", and osme, meaning "odor", as dried leaves of these plants, when immersed in hot water, emit a strong smell similar to saffron.

The species Latin name aurea, meaning “golden”, refers to the bright colour of the flowers.

The basal, alternate leaves are cauline, linear, with a distinct midvein and entire margins, about 20–30 millimetres (0.79–1.18 in) wide.

The plant can also be propagated by dividing the clumps of corms, fleshy underground stems similar to bulbs.

They prefer moist habitats, at an altitude of 0–2,000 metres (0–6,562 ft) above sea level..