Corpse Flower (Rafflesia arnoldii)

Corpse Flower

Rafflesia arnoldii

A parasitic marvel that produces the world's largest single bloom, smelling of decay to lure flies. Holoparasitic herb; other names: giant corpse flower.

Requires deep forest shade; relies entirely on the host vine for photosynthesis.
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Expert
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Plant Needs

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Sunlight Requires deep forest shade; relies entirely on the host vine for photosynthesis.
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Watering Absorbs all necessary water directly from the host Tetrastigma vine.
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Temperature Thrives in hot, humid tropical rainforest environments.
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Characteristics

  • Leaves: Absent; the plant lacks true leaves, stems, or roots, existing entirely as a cellular network within its host vine;
  • Flowers: Enormous, up to 1 meter in diameter and weighing up to 11 kg, featuring five thick, leathery, reddish-brown lobes covered in pale, wart-like spots;
  • Scent: Emits a strong, putrid odor resembling rotting flesh to attract carrion flies for pollination;
  • Structure: The center of the flower contains a deep well (diaphragm) with a central column bearing the reproductive organs.
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Care Guide

Watering

N/A

Fertilization

N/A. Draws all nutrients parasitically from the host vine.

Banana Peel Tea:Not applicable to Rafflesia, but if cultivating a host vine, steep banana peels in water for 24 hours to boost vine root health. Avoid foul odors by not leaving peels in water for too long.
Pruning
  • Pruning is not applicable as the plant has no stems or leaves;
  • Do not disturb the flower during its brief 5-7 day blooming period;
  • Conservation efforts focus on protecting the host vines from logging and habitat destruction.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: No known toxicity (per ASPCA guidelines for unlisted non-toxic plants), though highly unlikely to be encountered by pets.

Humans: No known toxicity, though the putrid smell may cause severe nausea.

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Garden Uses & Culture

Culture: N/A

Usage: - **Ecotourism**: A major draw for botanical enthusiasts and nature documentaries; - **Scientific Research**: Studied for its extreme parasitic adaptations and massive horizontal gene transfer.