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Full Specimen Plate

Philodendron bipinnatifidum 'Selloum'

Tree Philodendron

LightHigh
LightMedium to bright indirect light
HumidityMedium
HumidityAverage household humidity
TemperatureWarm
Temperature15-27°C
SizeLarge
SizeLarge (2-3 m across at maturity)
Growth RateFast
Growth RateFast
DifficultyEasy
DifficultyForgiving of missed waterings, average home humidity, and imperfect light. A solid pick for beginners or low-fuss collections.
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WildBrazil, Paraguay, and northern Argentina

7cm Target Price

£6.00

VerifiedBased on 3 or more recorded UK sales.

Target Price Guide

Select Plant Size

7cm Target Price

Base

£6.00

VerifiedBased on 3 or more recorded UK sales.

Based on recent online sales, adjusted to a standard 7cm pot size

About this target price: The figure above is the current market rate for an established 7cm whole pot specimen. Other sizes show their own recorded sale price where enough recent sales exist, or an estimate calculated proportionally from this one otherwise.
0Sold Matches

Based on current UK retail stock — no UK sold listings in the last 90 days.

See full auction data ↓
Retail Price?The average price across tracked UK retailers (nurseries and specialty stores).
Not tracked
Not currently stocked by tracked UK retailers

How prices are calculated: The target price uses online sold listings converted to GBP at current exchange rates, excluding extreme outliers to ensure a fair-value guide. Falls back to UK retail average when auction data is unavailable.

Thaumatophyllum bipinnatifidum (syn. Philodendron bipinnatifidum 'Selloum') Morphology

leaf ShapeDeeply bipinnately lobed, very large arrow-shaped outline
leaf Length60-100 cm
leaf Width50-90 cm
petiole ColorGreen
venationPinnateVeins or lobes arranged like a feather, branching out symmetrically on both sides of a single main central vein., prominent
textureMatte to semi-glossy, leathery
variegationN/A
growth HabitSelf-heading, forms a thick low trunk with age

About Thaumatophyllum bipinnatifidum (syn. Philodendron bipinnatifidum 'Selloum')

Philodendron bipinnatifidum (sold almost universally under its old cultivar name 'Selloum') is a massive, self-heading terrestrial aroid native to South America's subtropical forests. Unlike most Philodendron, it never climbs: instead it slowly builds a thick, semi-woody trunk at ground level, from which enormous, deeply pinnately-lobed leaves radiate on long petioles. Given years and space it can spread several metres across, making it a favourite for large conservatories, atriums, and frost-free gardens rather than windowsills. Despite its eventual scale it is remarkably undemanding, tolerating a wide range of light and, once established outdoors, brief cool spells that would kill more tender aroids.

Native Range

Brazil

Market Hub

Thaumatophyllum bipinnatifidum (syn. Philodendron bipinnatifidum 'Selloum') Sold Prices & Live Market

What the Target Price above is based on: eBay sold prices by plant size, live listings, and retailer stock.

No eBay sales recorded yet. Sold listings are collected as they appear on eBay.

Before You Buy

Species-specific things to check when evaluating a listing

  • Consider mature size carefully before buying; this species genuinely outgrows most indoor rooms within a few years
  • Check for a firm, undamaged base with no soft or rotten tissue
  • Widely available and inexpensive; be wary of collector-level prices
  • Sap can cause skin/mouth irritation; handle cuttings with care around pets and children

Propagation Guide

How to Propagate Thaumatophyllum bipinnatifidum (syn. Philodendron bipinnatifidum 'Selloum')

Propagation Difficulty
Moderate?Rewards a consistent watering and light routine, but tolerates the occasional lapse. Suited to growers with some houseplant experience.
Time to Establish

3-6 months

True From Cuttings
Yes

Cultivar character is preserved through vegetative cuttings

Mature plants produce basal offsets that can be separated once rooted. Older specimens can also be air-layered along the trunk, since aerial roots readily form at the nodes.

Care Guide

Thaumatophyllum bipinnatifidum (syn. Philodendron bipinnatifidum 'Selloum') Care Guide & Growing Conditions

Substrate

Well-draining, moisture-retentive mix: 40% potting compost, 30% perlite, 20% orchid bark, 10% coarse sand.

Watering

Water when the top 4-5 cm of substrate is dry. Reduce frequency in winter or cooler weather.

Humidity

Tolerates average household humidity; grows lusher outdoors in humid climates.

Fertilising

Balanced liquid fertiliser at half strength monthly during the growing season; this is a fast, hungry grower.

Repotting

Annually while young, given its rapid growth; established outdoor specimens are usually planted in the ground.

Common Problems

Problem

Outgrowing its space

Cause

Underestimating mature size; this is one of the largest commonly sold Philodendron

Fix

Plan for eventual scale; suited to large rooms, conservatories, or frost-free outdoor beds rather than small indoor spaces

Problem

Yellowing lower leaves

Cause

Natural shedding as the trunk lengthens, or overwatering

Fix

Some lower-leaf loss is normal with age; check substrate moisture if it seems excessive

Field Reference

In the Wild

Field Notes
5 April 2023

A Plant That Outgrows Its Welcome, Gloriously

Selloum is not a houseplant so much as a long-term architectural commitment. Given a corner of a conservatory and a few years, it will build a genuine trunk and spread its enormous, deeply cut leaves further than most people expect. I have seen specimens the size of a small car. It asks for very little in return: ordinary light, ordinary water, and space it will eventually demand rather than request. Best suited to those planning for the plant it will become, not the modest pot it arrives in.

Written at AroidAtlas research station— Aroid Atlas

Also in: Arborescent (Meconostigma)

Self-heading species from subgenus Meconostigma that grow a visible trunk rather than climbing, eventually reaching tree-like proportions.