Blooming Corpse Flowers' Hot Death Smell Gets A Molecular Explanation

Native to the rainforests of Sumatra, the corpse flower is one of the largest and rarest flowers in the world. The plant can grow up to 10 feet tall and blooms for only a few days every few years, making its appearance a rare event.

The smell is not only offensive but also intense, with some plants generating heat during the bloom. This heat is essential for amplifying the stench. The corpse flower warms its spadix (the central stalk) to a temperature of up to 98°F (37°C), almost as hot as a human body.

The signature odor of the corpse flower comes from a complex mixture of volatile organic compounds (VOCs). Researchers have identified several key molecules responsible for the stench, including putrescine and cadaverine, both of which are by-products of decaying proteins.

The smell is not just an unfortunate byproduct but rather a carefully orchestrated strategy for reproduction. The corpse flower's bloom attracts pollinators like carrion beetles and flesh flies, which are typically drawn to the scent of rotting meat to lay their eggs.

Recent molecular studies have provided new insights into the biochemical processes involved in the production of these foul-smelling compounds. For instance, researchers have found that enzymes in the flower break down certain amino acids found in the plant's tissues

In addition to scent production, the corpse flower’s heat generation has intrigued scientists. The plant uses a metabolic process known as thermogenesis, which involves the rapid breakdown of stored sugars. This process generates heat, which helps the plant release volatile compounds into the air

While the corpse flower’s unique pollination strategy is fascinating, it also faces conservation challenges. The plant is endangered in the wild due to habitat destruction and overharvesting. Its rarity and specialized needs make it difficult to cultivate outside its native environment.

LIKE SHARE SAVE

STAY UPDATED