Hybrid ParentageDebated

A horticultural cross — priced, illustrated and tracked independently of either parent. Sources disagree on the exact cross; see the field notes below.

Sources:Aroidpedia — Alocasia 'Amazonica' ·The Alocasia Company — Amazonica: The Legend Hybrid

Amazonica Hybrid

Full Specimen Plate

Alocasia × amazonica

Amazonica Hybrid

3.0 Collector Rating

Quick Facts

growth HabitUpright rosette, clumping
mature SizeMedium (40-60 cm)
lightBright indirect light
humidityModerate to high (60-80%)
temperature18-27°C
difficultyModerate
growth SpeedModerate
View Care Guide
Horticultural Hybrid£ · CommonHighHorticultural hybrid, generally credited to Salvadore Mauro in 1950s Florida — despite the name, not native to or naturally occurring in the Amazon
£12· 7cm plant

Aroid Atlas Price Guide

£12· 7cm plantEstimate

Community estimate — limited market data

See full auction data ↓

Morphology

leaf ShapeArrow-shaped, deeply lobed with wavy margin
leaf Length20-35 cm
leaf Width10-18 cm
petiole ColorGreen, mottled purple-brown
venationBold silvery-white primary veins against a near-black glossy blade
textureGlossy
variegationN/A — the high-contrast white veining is a fixed hybrid trait; 'Polly', 'Bambino' and 'Venom' are propagated mutations/selections of this cross, not variegated forms
growth HabitUpright clumping rosette

About

Alocasia × amazonica is one of the most widely recognised aroid hybrids, its glossy near-black, deeply-veined arrow-shaped leaves a fixture of houseplant shops for decades — despite a name that misleadingly suggests Amazonian origin. It is almost universally credited to Salvadore Mauro's Florida nursery in the 1950s as a cross between Alocasia longiloba and Alocasia sanderiana, though the exact breeding history is not formally documented and some accounts differ on the details. This single cross has since produced a whole family of named sports and selections — 'Polly' (a compact tissue-culture mutant), 'Bambino' (dwarf), and 'Venom' (a further mutation of the line with dramatically thickened, corrugated leaves) among them — all propagated vegetatively rather than resulting from further deliberate crosses.

Native Range

Florida, USA

Collector Popularity Review

Aroid Atlas Collector Review: Alocasia × amazonica (Amazonica Hybrid) is ranked as Common rarity on the market. Rating is calculated based on overall cultivation difficulty, aesthetic appeal, and search popularity among active collectors.

Score: 3.0 / 5.0Based on collector index metrics

Market Analysis

Auction History & Retail Data

Historical eBay auction metrics and live retailer listings updated weekly.

No eBay auction history available yet. Data is collected automatically as sales appear on eBay UK.

Before You Buy

Species-specific things to check when evaluating a listing

  • Widely available and inexpensive — be cautious of pricing that implies rarity for the plain hybrid
  • For named sports (Polly, Bambino, Venom), confirm the leaf texture/size matches the specific named form
  • Check the corm/base is firm, not soft or foul-smelling

Propagation Guide

Growing More Plants

Difficulty
Easy
Time to Establish

2-3 months

True From Cuttings
Yes

Cultivar character is preserved through vegetative cuttings

Produces basal offsets readily, propagated by division rather than seed — the named sports (Polly, Bambino, Venom) are all maintained through vegetative propagation/tissue culture to preserve their distinct mutations.

Care Guide

Growing Conditions

Substrate

Chunky, fast-draining aroid mix: 40% orchid bark, 30% perlite, 20% potting compost, 10% charcoal.

Watering

Allow the top 2-3cm of substrate to dry between waterings. Reduce in winter.

Humidity

60-80%.

Fertilising

Balanced liquid fertiliser at quarter to half strength every 3-4 weeks during active growth.

Repotting

Every 12-18 months, or when offsets crowd the pot.

Common Problems

Problem

Sudden leaf loss / dormancy

Cause

Natural seasonal response

Fix

Reduce watering and wait for new growth in spring

Problem

Root/corm rot

Cause

Overwatering combined with dense substrate

Fix

Repot into fresh dry chunky mix and reduce watering

Problem

Spider mites

Cause

Low humidity and still air

Fix

Increase humidity and treat with insecticidal soap

Field Notes · Vol. 110 July 2026

The Legend, As Best I Can Tell It

Every source agrees Alocasia × amazonica is a hybrid, and nearly all of them name Salvadore Mauro's Florida nursery in the 1950s and the same two parent species — longiloba and sanderiana. Where accounts start to diverge is the finer detail: exactly which named forms count as the 'original' cross versus later independent re-creations of the same pairing, and how much of the plant's later history (Polly, Bambino, Venom, and others) was one continuous breeding line versus several separate discoveries that all converged on a very similar-looking plant. I've recorded the parentage that every source I found agrees on and flagged it as debated rather than pretend the finer points are settled.

Written at AroidAtlas research station— Aroid Aaron
Retail Price
Not tracked
Not currently stocked by tracked UK retailers
Market Trend
Not enough history to calculate a trend

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.