It produces two or three basal leaves up to 70 centimetres (28 in) long by 1 cm wide.

The inflorescence arises on a smooth, erect stem up to 75 cm (30 in) tall and bears an umbel-like cluster of many blue to white flowers.

Each flower is a funnel-shaped bloom borne on a pedicel up to 4 or 5 cm long.

Triteleia grandiflora is native to western North America from British Columbia to extreme northern California, eastward into Idaho, Montana and northern Utah, with disjunct populations occurring in Wyoming and Colorado.

[citation needed] The corm provides food for various wild rodents and livestock, and Native Americans and settlers found them edible as well.