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Amorphophallus titanum (titan arum)

The titan arum is a giant among plants, with a massive flowering structure that rises some three metres above the ground. Its flowering is rare and unpredictable, and always grabs the headlines.
Amorphophallus titanum at various stages of flowering

Amorphophallus titanum flowering at Kew Gardens.

Species information

Common name: 

titan arum

Conservation status: 

Classified as Vulnerable (V) on the 1997 IUCN Red List of Threatened Plants.


The titan arum dwells in the rainforests of western Sumatra, on steep hillsides that are 120 to 365 metres above sea level.

Known hazards: 

Emits a nauseating smell on flowering.


Genus: Amorphophallus

About this species

The titan arum produces one of the largest flowering structures and one of the foulest odours in the plant kingdom. With its huge flowering structure rising up to three metres above the ground, and its single immense leaf, it certainly is a giant among plants, as its name suggests. The plant flowers only rarely, and Kew's specimens regularly hit the headlines when they do.


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