SafePlants

Amorphophallus: The Intriguing Corpse Flower and its Relatives

The genus Amorphophallus, derived from the Ancient Greek words "amorphos" (without form, misshapen) and "phallos" (penis), encompasses a group of fascinating tuberous plants within the Araceae family. The name alludes to the spadix's shape, a prominent feature of the inflorescence.

Considerations for Pets

• Some Amorphophallus species are known as Voodoo Lilies or Devil's Tongue.

Nomenclature and Taxonomy

• Scientific Name: Amorphophallus
• Family: Araceae (Aroid family)
• The Araceae family includes other well-known plants such as Arisaema (jack-in-the-pulpit) and Dracunculus.

Distribution and Habitat

• Native to warm subtropical to tropical regions of eastern Asia, including Vietnam, Japan, and China, extending south to Indonesia.

Morphological Characteristics

• Amorphophallus titanum (Titan Arum) is renowned for its massive flowering structure, or inflorescence, which can reach impressive heights.
• Mature Amorphophallus titanum inflorescences can reach 7 to 12 feet in height, with leaves reaching 20 feet in height and 15 feet in width. The tuber (corm) can weigh between 120 to 160 pounds.

Common Species

• Amorphophallus titanum: Commonly known as the Titan Arum or Corpse Flower.
• Amorphophallus konjac: Widely cultivated and relatively easy to grow.
• Amorphophallus bulbifer: Also known as Voodoo Lily or Devil's Tongue.
• Amorphophallus paeoniifolius: Also known as Elephant Yam.

Ecological Role and Interesting Facts

• The Titan Arum (Amorphophallus titanum) produces the world's largest compound flower, or inflorescence, sometimes reaching up to 3.5 meters in height.
• The inflorescence emits a strong, unpleasant odor resembling rotting flesh, hence the common name "Corpse Flower." This scent attracts pollinators.

Quirky Facts

• The name Amorphophallus caused some debate when featuring the plant in nature documentaries, as some thought the Latin name might offend viewers.
• Some Amorphophallus species, like Amorphophallus konjac, have been used as traditional medicine and a food source in China, Japan, and Southeast Asia.

Cultivation and Care

• Repotting is typically done in the spring as new growth emerges.

Further Resources

• International Aroid Society: Provides information and articles on the genus Amorphophallus.
• Plant Biol (Stuttg): See the article "A torch in the rain forest: thermogenesis of the Titan arum (Amorphophallus titanum)."
• USDA-NRCS, National Plant Data Center.