Living forms / Puffball · rounded spore sac

Giant puffball

Calvatia gigantea

Illustrative 3D modelFruiting body / 3D

Giant puffball — Illustrative 3D model preview

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Educational representation · not to scale

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Calvatia / Agaricaceae

Giant puffball

Calvatia gigantea

01 / The fruiting body

A closer look.

A broad pale ball has no exposed gills or cap. Its outer skin encloses the spore-producing interior.

Form at a glance

Large rounded outline
Pale outer skin
Small basal attachment

Switch to Anatomy to trace individual structures, or choose a view to see another surface.

Classification & naming

Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Calvatia
Accepted name: Calvatia gigantea

The displayed species name follows the linked account. Higher-rank classifications can differ between older field guides and current research.

Sources (1)

Giant Puffball

Taxonomy in Academy →

02 / Form & function

Read the anatomy.

Choose a marker, a surface, or a structure below. The selected region is gently emphasized.

Select a structure

01Outer skinPeridium

The intact surface encloses the gleba; there is no cutaway in this model.

Function

Encloses the developing internal spore tissue.

When observing

Read alongside the species notes; this schematic feature cannot establish identity or safety.

Sources (2)

Giant Puffball Examples of macroscopic features

02Basal attachmentFruiting-body base

The small base marks attachment; the below-ground fungal network is not shown.

Function

Connects the fruiting body to its substrate.

When observing

Read alongside the species notes; this schematic feature cannot establish identity or safety.

Sources (2)

Giant Puffball Examples of macroscopic features

Highlighting follows the model's named surfaces when 3D is available. Microscopic layers are not represented in this macro model.

03 / Learning to observe

Notice the differences.

Read the visible form

The rounded fruiting body contains internal tissue called the gleba, which changes as spores mature. This intact model does not expose the interior.

Sources (1)

Giant Puffball

What this illustration leaves out

This original procedural model is an educational shape study. It omits measured scale, microscopic characters and many changes caused by age, moisture and damage.

Sources (1)

Examples of macroscopic features

Natural variation

One illustrative form is shown. Age, moisture, inherited variation and damage can change real fruiting bodies; proportions are not calibrated.

Visual features alone may not establish identity. Do not use this model or visual identification alone to decide whether a wild fungus is safe to consume.

This collection does not assess edibility or toxicity; a model cannot establish identity or safety.

04 / A place in nature

Connected to its habitat.

Habitat and ecological context

The maturing interior becomes a spore mass. Weathering and damage eventually break the enclosing surface and allow dispersal.

Sources (1)

Giant Puffball

Explore in Academy →

Scientific references3 sources / 2026-10-20

Source-linked editorial review; expert review pending. Species descriptions, source associations and qualified taxonomic concepts.

Reference set 2026-10-20.expansion1 · 2026-10-20

Giant Puffball ↗ · Missouri Department of Conservation institutional-reference · Accessed 2026-10-20
Examples of macroscopic features ↗Heino Lepp · Australian National Botanic Gardens institutional-reference · Accessed 2026-10-20
Mushrooms: the spore-bearing surface ↗Heino Lepp · Australian National Botanic Gardens institutional-reference · Accessed 2026-10-20

Model provenance & limitationsIllustrative 3D model / v1.0.0

Creator: MycoIlm procedural generator
Asset: calvatia-gigantea-procedural-v1 · v1.0.0
Added: 2026-10-20
Scientific review: Expert review pending
File: GLB · 261,540 bytes · 8,832 triangles
License: Project-authored demonstration asset; no third-party model license.

Project-authored procedural educational geometry. The preview is rendered from this same model, not from a specimen photograph.

Original MycoIlm procedural geometry and generated surface colors; no external model or texture files used.

Approximate form, color and anatomical detail. This is not a specimen scan, measured reconstruction, identification reference or scientifically calibrated model.

Expert review pending. Macro geometry, anatomy mappings, color, proportions and scientific scale.

Reference set 2026-10-20.expansion1