Titan Arum

Amorphophallus titanum

Titan Arum

5.0 Collector Rating

Quick Facts

growth HabitSolitary tuberous corm, alternating single leaf and inflorescence phases
mature SizeLeaf structure to 3-4m; inflorescence to 3m (mature corms only)
lightBright indirect light to filtered sun
humidityHigh humidity (70-90%)
temperature22-30°C, no cold tolerance
difficultyExpert
growth SpeedSlow — years to reach flowering-size corm
View Care Guide
Wild Species£££££ · GrailExtremely LowEndemic to the equatorial rainforests of Sumatra, Indonesia, where it grows on limestone hillsides in the shade of the forest canopy.

Morphology

leaf ShapeSingle deeply dissected, umbrella-like compound leaf
leaf LengthLeaf structure up to 3-4m tall
leaf WidthCrown spread up to 4-5m
petiole ColorMottled green and pale grey, mimicking tree bark
venationPalmate-pinnate, tripartite compound division
textureGlossy, deeply lobed leaflets
variegationN/A
growth HabitCyclical dormancy between leaf and inflorescence phases from a large subterranean corm

About

The Titan Arum produces the largest unbranched inflorescence in the plant kingdom, a towering spathe and spadix that can reach three metres and releases a carrion-like odour to lure carrion beetles and flesh flies as pollinators — earning it the nickname 'corpse flower'. Between flowering events, which can be years apart and last only 24-48 hours, the plant channels all its energy into a single, enormous umbrella-like compound leaf atop a mottled, tree-like petiole, feeding a subterranean corm that can eventually weigh over 50kg. Because it takes the better part of a decade to reach flowering size from seed and rarely blooms in cultivation, specimens of any real size are held almost exclusively by botanical institutions and a small handful of specialist growers, making seed-grown corms a genuine collector rarity rather than a typical houseplant purchase. Its scarcity, scale, and sheer botanical spectacle have made it one of the most sought-after and Instagrammed events in the aroid world whenever a cultivated specimen approaches bloom.

Native Range

Sumatra, Indonesia

Collector Popularity Review

Aroid Atlas Collector Review: Amorphophallus titanum (Titan Arum) is ranked as Ultra Rare rarity on the market. Rating is calculated based on overall cultivation difficulty, aesthetic appeal, and search popularity among active collectors.

Score: 5.0 / 5.0Based on collector index metrics

Market Analysis

Auction History & Retail Data

Historical eBay auction metrics and live retailer listings updated weekly.

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Field Notes · Vol. 11 July 2026

Waiting on the Corpse Flower

I have never smelled it myself — few growers in this country get the chance — but every account agrees it is unmistakable, and unforgettable. What strikes me more is the patience the plant demands: a corm quietly fattening underground for years, pushing up one leaf at a time, giving nothing away until, without much warning, it decides to spend everything on a single towering bloom. *It is less a houseplant than a long correspondence.* This entry sits on the record as a placeholder — no plate has been painted for it yet — but few species better justify the wait.

Written at AroidAtlas research station— Aroid Aaron
Retail Price
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Not currently stocked by tracked UK retailers
Market Trend
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How prices are calculated: The AA Price uses global eBay sold listings (primarily US market) converted to GBP at the live exchange rate — trimmed mean (removing top and bottom 20%) for a fair-value guide. Falls back to UK retail average when auction data is unavailable.