AMORPHOPHALLUS TITANUM PDF

Titan arum is a giant among plants, with one of the largest flowering structures and one of the foulest odours in the plant kingdom. Its flowering is rare and unpredictable, and always grabs the headlines. Amorphophallus titanum is restricted to Sumatra in the Indonesian archipelago. Flowers: Titan arum has a massive inflorescence flowering structure consisting of a spathe collar-like structure wrapped around a spadix flower-bearing spike. The spathe is the shape of an upturned bell.

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Titan arum , Amorphophallus titanum , also called corpse flower , herbaceous flowering plant of the arum family Araceae , known for its massive foul-smelling inflorescence cluster of flowers. The plant is endemic to the steep hillsides of rainforests in western Sumatra but is cultivated in botanic gardens worldwide. The unusual short-lived flower structure is the largest unbranched inflorescence of any plant and smells of rotting flesh.

Usually taking 4—10 years or more between flowerings, a titan arum is often a major tourist attraction when in bloom. Like other members of the arum family, the massive inflorescence of the titan arum consists of an inner flower spike, known as a spadix , surrounded by a petal-like collar known as a spathe.

The large furrowed spathe is green to cream-coloured on the outside and tightly encloses the spadix before opening to reveal its deep crimson to purple interior. The upper, visible half of the spadix is smooth and yellowish to brown in colour, and the entire spadix can reach more than 3 metres 9.

Although the inflorescence develops over several months, with its growth peaking at a rate of up to 15 cm 6 inches a day, it only blooms for around 24—48 hours.

Hundreds of unisexual flowers are borne toward the bottom of the spadix within a protective chamber formed by the spathe and mature separately to reduce self-pollination; the dense cream-coloured male flowers are located above the pink to orange female flowers. The fertilized flowers develop into bright red to orange spherical fruits , and the spathe and the upper spadix collapse away to facilitate their dispersal, commonly by rhinoceros hornbills Buceros rhinoceros and other animals.

Eventually the remaining structure withers and the plant goes dormant. During the years that the plant does not flower, it usually produces a single, treelike leaf , some 4. The petiole leaf stalk is speckled with white patches and typically features three branches topped with numerous large leaflets.

Most of the food it produces is stored in a massive underground corm and is later used to fuel the rapid growth of the inflorescence or a new leaf following a period of dormancy.

The corm can weigh around 70—90 kg — pounds and is the largest in the plant kingdom. After 12—18 months of photosynthesis , the leaf dies back, and the plant goes dormant. Typically several leaf cycles are completed before the plant has enough stored energy to flower again. The largest single flower belongs to another carrion flower of Indonesia , the unrelated monster flower Rafflesia arnoldii.

The largest branched inflorescence is that of the talipot palm Corypha umbraculifera , native to India and Sri Lanka.

Titan arum. Article Media. Info Print Cite. Submit Feedback. Thank you for your feedback. Home Science Plants Flowering Plants. Written By: Melissa Petruzzello. See Article History. Alternative Titles: Amorphophallus titanum, corpse flower. Get exclusive access to content from our First Edition with your subscription.

Subscribe today. Learn More in these related Britannica articles:. Corms are sometimes called solid bulbs, or bulbo-tubers, but they are distinguished from true bulbs and tubers compare …. Angiosperm , any of about , species of flowering plants, the largest and most diverse group within the kingdom Plantae. Angiosperms represent approximately 80 percent of all the known green plants now living.

The angiosperms are vascular seed plants in which the ovule egg is fertilized and develops into a seed…. Arum , genus of low-growing tuberous perennial plants in the family Araceae order Arales. Of the 32 species generally recognized, a few are grown for their showy spathe, a funnel-shaped bract surrounding the rodlike spadix on which the tiny flowers are borne , and for their glossy, arrow-shaped leaves.

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Titan arum , Amorphophallus titanum , also called corpse flower , herbaceous flowering plant of the arum family Araceae , known for its massive foul-smelling inflorescence cluster of flowers. The plant is endemic to the steep hillsides of rainforests in western Sumatra but is cultivated in botanic gardens worldwide. The unusual short-lived flower structure is the largest unbranched inflorescence of any plant and smells of rotting flesh. Usually taking 4—10 years or more between flowerings, a titan arum is often a major tourist attraction when in bloom. Like other members of the arum family, the massive inflorescence of the titan arum consists of an inner flower spike, known as a spadix , surrounded by a petal-like collar known as a spathe. The large furrowed spathe is green to cream-coloured on the outside and tightly encloses the spadix before opening to reveal its deep crimson to purple interior. The upper, visible half of the spadix is smooth and yellowish to brown in colour, and the entire spadix can reach more than 3 metres 9.

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Titan arum

Although the tubers that he sent to Florence died, some seeds survived, and a single seedling was sent to the Royal Botanic Gardens, Kew. It flowered in But only recently has the horticulture world had success in raising the corpse flower in cultivation. In August , more than 75, people visited Spike, the Garden's first corpse flower to begin its bloom cycle. Spike ultimately did not have the energy to open.

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At full size, the titan can reach over 10 feet in circumference and stand 9 and a half feet tall. Although the flower is naturally found only in Indonesia, since they have been successfully cultivated in botanical gardens around the world including Kew Gardens in London and the University of Washington, Seattle. On behalf of our small editorial team, it would mean the world to us. Follow us on Twitter to get the latest on the world's hidden wonders.

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