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NZ Plants

Bulbinella rossii - Ross lily, megaherb


Bulbinella rosii is a large herbaceous plant with bright green and arching, strap-like leaves. It is commonly referred to as a megaherb because its size dwarfs that of other species in the same genus. A predominantly South African genus, with six endemic species of small size found on the North and South Islands.
An endemic to the Auckland and Campbell Islands.

Vegetative characteristics

Reproductive characteristics

Plant form: perennial herb up to 1 m

Arrangement of parts: symmetric


Flower size: 10-14 mm diam.

Leaf form: undivided, strap-shaped

Sepals: 3, white or yellow

Leaf size:  0.6-1 m

Petals: 3, yellow-orange

Leaf arrangement: singly along stem

Sexuality: unisexual, on different plants

Leaf attachment: sheath

Stamens: 6

Leaf margin: smooth

Ovary: above petals

Leaf surface: hairless

Fruit: dry