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Plant guide

Corpse Lily.

Rafflesia arnoldii

Pronounced ruh-FLEE-zee-uh ar-NOL-dee-eye

Also known as Rafflesia arnoldii, Arnold's rafflesia, corpse flower, corpse lily, monster flower, stinking corpse lily

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This rare parasitic plant is famous for producing the largest individual flower on Earth. It lacks visible leaves, stems, or roots, as it lives entirely inside its host vine. You will only see it when it emerges to bloom, which is a truly remarkable sight.

At a glance

Care level
Difficult
Plant type
Parasitic plant
Light
Deep shade
Indoor light
Low light
Water
Every 0 days
Mature size
3 feet in diameter
Growth rate
Slow
Hardiness
USDA 11 to 12
Bloom time
Irregular, typically following heavy rains

Care

This plant cannot be grown in a home garden because it requires a specific host vine and a complex rainforest ecosystem. It is a parasite that relies on Tetrastigma vines for all its nutrients. Do not attempt to cultivate this species outside of its native habitat.

Watering
This plant relies on its host vine for water.
Feeding
This plant does not require fertilizer as it is a parasite.
Pruning
Pruning is not applicable for this species.
Repotting
This plant cannot be potted or moved.
Soil
Not applicable
Soil pH
Not applicable
Temperature
18 to 30°C
Humidity
80 to 100%

Safety

People
The plant is not considered toxic, but its extreme odor makes it unpalatable.
Children
Keep children away as the plant is rare and its scent is highly off-putting.
Contact allergens
Contact with the decaying tissues can be unpleasant due to bacteria.
Airborne allergens
The intense odor of rotting meat can trigger nausea in sensitive individuals.
Edibility
This plant is not edible and possesses no culinary value.

How to identify it

  • Massive five lobed fleshy flower
  • Strong odor of decaying flesh
  • Reddish brown petals with white spots
  • Lacks stems and leaves
  • Grows directly on host vines
Height
0.1 to 0.2m
Spread
0.7 to 1m
Leaves
deciduous
Flowers
red, white, 70 to 100cm
Fruit
brown, Late summer

Problems to watch for

  • Habitat destruction · The loss of host vines leads to the death of the parasite.

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Growing it

Propagation
seed

This plant cannot be cultivated in a garden setting.

Grows well with

  • Tetrastigma vine · This is the essential host plant required for the parasite to survive.

Similar species

  • Corpse flower · Often confused due to its large size and foul odor.

Science

Family
Rafflesiaceae
Genus
Rafflesia
Order
Malpighiales
Class
Magnoliopsida
Native range
Rainforests of Sumatra and Borneo.
Conservation
This species is threatened by habitat loss and is protected in its native range.

It lives as an endoparasite within the stems of Tetrastigma vines.

Value to wildlife
attracts carrion flies for pollination
Pollinators
beetles
Uses
botanical curiosity

Through the year

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Flowering
Fruiting
Foliage

Ecological indicators

Salinity
0/9
Soil reaction
5/9
Light
2/9
Temperature
9/9
Moisture
9/9
Nutrients
5/9

Taxonomy resolved against GBIF.

Questions people ask

Can I grow this at home?
No, it is an obligate parasite that requires specific host vines found only in rainforests.
Why does it smell so bad?
The scent mimics rotting flesh to attract carrion flies and beetles for pollination.

Where the name comes from

Named after Sir Stamford Raffles and Dr. Joseph Arnold who discovered it in 1818.

Good to know

  • It has no visible leaves, stems, or roots.
  • The flower smells like rotting meat to attract pollinators.
  • It spends most of its life inside the tissues of its host vine.
  • The buds can take months to develop before blooming for only a few days.

Also in

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This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

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This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.