Bulbinella hookeri is a yellow-flowered bulbous plant. It usually reaches 12–24 in (30–60 cm), but can reach 40 in (100 cm). The flowers are bright yellow.
Known as Maori onion, Bulbinella hookeri is found in both the North and South Islands of New Zealand. It prefers to grow in damp sites, and in shady and sheltered hillsides can form extensive colonies.