Guilandina Bonduc

Guilandina bonduc, commonly known as grey nicker, nicker bean, fever nut or knicker nut, is a species of flowering plant in the senna tribe, Caesalpinieae, that has a pantropical distribution. It is a liana that reaches a length of 6 m (20 ft) or more and scrambles over other vegetation. The stems are covered in curved spines. Its 2 cm (0.8 in) grey seeds, known as nickernuts, are buoyant and durable enough to be dispersed by ocean currents.

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