Out of the ordinary
Medusa's head is so named because of its numerous snake-like stems.
The densely-spined strawberry cactus is known for its hedgehog-like appearance and strawberry-flavoured fruits.
This flowering plant does not photosynthesise, but depends on fungi instead for survival.
Justicia brandegeeana is commonly known as shrimp plant because of the colour and shrimp-like appearance of its inflorescence.
A bizarre, cushion-forming herb, Lepidagathis fischeri is resurrected annually following fire and subsequent rains in the woodlands and grasslands of eastern Africa.
Across India and other Asian countries, the sap of solitary fishtail palm is fermented to produce an alcoholic drink called palm wine or toddy.
A remarkable bulb from South Africa, hedgehog lily has a pair of leaves pressed flat onto the ground, and a head of small white or pinkish flowers, like a shaving brush, nestled between them.
The stinging-nettle tree looks a bit like a papaya tree - but it does what its name suggests!
Malbau is a common beach plant from southeast Asia and the Pacific. The crushed leaves smell of cat's urine.
As the name suggests, the heart-leaved pelargonium has velvety, heart-shaped leaves scented of apple.