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Tuber

Amorphophallus titanum

Amorphophallus titanum (Becc.) Becc. ex Arcang.

Titan ArumCorpse FlowerBunga Bangkai

Amorphophallus titanum holds the world record for the largest unbranched inflorescence of any plant, producing a towering burgundy-and-cream flower structure up to 10 feet tall that emits a powerful stench of rotting flesh for a single night to attract its pollinators. It symbolizes rarity, the spectacular nature of transformation, and the extraordinary power of the strange and unexpected.

Plant Family

Araceae (Arum family)

Blooming

Unpredictable; the plant blooms only once every 7 to 10 years or more; each bloom event lasts only 24 to 48 hours

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Amorphophallus titanum titan arum inflorescence in full bloom
Amorphophallus titanum titan arum inflorescence in full bloom

Symbolism & Meanings

Key Meanings

Rarity
Spectacular transformation
The power of the unexpected
Deep mystery
Once-in-a-lifetime wonder
Patience rewarded spectacularly

Perfect For

Once in-a-lifetime celebrationsScientific and botanical milestonesOccasions celebrating the extraordinary and unusualConservation awareness eventsCelebrations of remarkable endurance

Color Meanings

Deep burgundy:Mystery, the boundary between life and death, and the power of the strange
Cream-green:Hidden life and the quiet exterior that conceals extraordinary interior depth
Pale yellow:The heat of transformation and the brief, intense flame of a once-in-a-lifetime moment

Similar flowers: desert lilys and parrot beak flowers also share similar meanings.

Cultural Significance

There is no flowering event in the botanical world more anticipated, more dramatic, or more singular than the blooming of Amorphophallus titanum. The Sumatran name bunga bangkai means "corpse flower," and the stench it produces during its single night of flowering is genuinely nauseating: a combination of rotting flesh, fish, and decaying organic matter engineered by evolution to attract its pollinators from up to half a mile away. When the titan arum bloomed at Kew Gardens for the first time outside Sumatra in 1889, it attracted enormous crowds and made international headlines. Today, botanic garden titan arum blooms are global events broadcast live online, with thousands of visitors queuing for hours. In Sumatran culture, the plant is a source of both wonder and superstition, linked to the deep forest and the boundary between the living and the dead. It is also a critical conservation symbol: the titan arum is endangered in the wild due to deforestation, and botanic garden populations represent an important ex situ conservation lifeline for the species.
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Botanical Information

Physical Characteristics

Flower Size: The inflorescence (spathe plus spadix) reaches 5–10 feet tall (1.5–3 m) and 3–5 feet wide (0.9–1.5 m); individual tiny flowers are clustered at the base of the spadix; female flowers are below, male flowers above
Plant Size: Non-flowering year: a single enormous leaf 10–15 feet tall (3–4.5 m) on a mottled petiole. Underground tuber: up to 200 pounds (90 kg). Flowering: inflorescence 5–10 feet (1.5–3 m) tall
Flower Shape: A massive composite inflorescence called a spathe-and-spadix; the spathe is a large, frilly-edged bract deeply burgundy-red inside (resembling meat) and cream-green outside that opens like a skirt around the central spike (spadix); hundreds of tiny cream female flowers ring the base of the spadix, above them male flowers; the tip of the spadix produces heat in a process called thermogenesis to disperse the scent

Natural Habitat

Native to: Sumatra, Indonesia (endemic)
Habitat: Tropical lowland rainforest on steep limestone hills at 120 to 365 m elevation in Sumatra
Climate: Tropical, Humid tropical rainforest

Growing Guide

Sunlight

Bright indirect light when growing the leaf; the inflorescence develops in the absence of the leaf and requires consistent warmth and humidity rather than direct sunlight

Water

Consistent moisture when actively growing; the tuber must dry out completely during its regular dormant periods of 3 to 6 months

Soil

Humus-rich, Well-drained, Porous, Slightly acidic, pH 5.5–6.5

Expert Growing Tips

1

Grow in a very large container (at least 25 gallons) in humus-rich, fast-draining tropical mix with a minimum temperature of 15 degrees C (60 degrees F)

2

Feed heavily with a balanced fertilizer during active leaf growth; the tuber must accumulate sufficient energy to eventually produce the inflorescence

3

Allow the growing medium to dry completely during dormancy; never water a dormant tuber

4

The plant may take 7 to 10 or more years to bloom for the first time from a small tuber, and years more between subsequent blooms

5

Artificial pollination between two simultaneously blooming plants can produce viable seeds; this is the primary method of propagation in botanic gardens

Uses & Benefits

Ornamental Uses

  • Premier botanical garden visitor attraction
  • Scientific research specimen for pollination biology and thermogenesis
  • Rare greenhouse cultivation by specialist collectors
  • Educational display in botanic conservatories worldwide
  • Iconic conservation symbol for Sumatran rainforest ecosystems

Traditional Uses

  • No traditional medicinal uses are documented for Amorphophallus titanum specifically
  • Related Amorphophallus species, particularly A. konjac, produce a glucomannan-rich corm used in East Asian food and medicine, including konjac flour and supplements
  • Scientific research on the thermogenesis mechanism of A. titanum has contributed to understanding plant biochemistry

Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.

Frequently Asked Questions about the Amorphophallus titanum

What does Amorphophallus titanum symbolize?

Titan arum symbolizes rarity, spectacular transformation, and once-in-a-lifetime wonder. Its extraordinary bloom cycle and dramatic appearance make it a symbol of patience rewarded spectacularly, deep mystery, and the power of the unexpected.

Why does the corpse flower smell so bad?

The inflorescence produces a complex mixture of sulfur compounds including dimethyl disulfide and dimethyl trisulfide, along with other volatile chemicals that together replicate the smell of rotting meat and dung. This is an evolutionary strategy to attract carrion beetles and other insects that feed and breed on decomposing matter, which then unknowingly pollinate the flowers.

How often does Amorphophallus titanum bloom?

In the wild and in cultivation, the titan arum blooms unpredictably, typically once every 7 to 10 years or more. Each bloom lasts only 24 to 48 hours. Between blooms, the plant alternates between producing a single massive leaf for 8 to 12 months, then entering dormancy for 3 to 6 months, repeating this cycle several times before accumulating enough energy to flower.

Why is Amorphophallus titanum endangered?

The titan arum is native only to the tropical rainforests of Sumatra, Indonesia, where it grows on steep limestone hills. Large areas of its natural habitat have been destroyed by logging and conversion to oil palm plantations. Botanic gardens worldwide maintain living collections of titan arum plants that serve as a critical ex situ conservation resource.

What is the largest flower in the world?

Amorphophallus titanum holds the record for the world's largest unbranched inflorescence, reaching up to 10 feet (3 m) in height. However, the largest individual flower belongs to Rafflesia arnoldii, also from Sumatra, which produces a single flat bloom up to 3 feet (1 m) across. These are two different botanical records: unbranched inflorescence versus single flower.

Available Colors

Deep burgundy (spathe interior)
Cream to green (spathe exterior)
Pale yellow (spadix appendix)
Cream to orange-red (actual flowers at base)

Quick Facts

Type:tuber
Family:Araceae (Arum family)
Native to:Sumatra, Indonesia (endemic)
Blooms:Unpredictable; the plant blooms only once every 7 to 10 years or more; each bloom event lasts only 24 to 48 hours

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