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devil's fingers (Clathrus archeri), photo
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Curious

Devil's fingersClathrus archeri

octopus stinkhorn

Clathrus archeri is a saprobic fungus that unfolds red arms as it matures. It grows on wood debris, mulch and forest litter in woodlands, gardens and meadows, and it smells like rotting flesh.[3]

Not edible. Tough or woody; used as tea or extract. Never eat a wild mushroom identified only from photos.

  • Season in Mexico
  • HabitatLeaf litter and wood
  • FamilyPhallaceae

How do you identify devil's fingers?

Young egg
It begins as a whitish egg up to about 5 cm high and 4 cm wide.[1]
Mature size
The fruiting body is 8–17 cm high and 3–5 cm wide at the base.[1]
Arms
It forms 4–7 arms, 3–12 cm long, with red inner surfaces and slightly paler outer surfaces.[1]
Texture
The arms are hollow, spongy and finely pitted.[1]
Gleba
The spore-bearing slime coats the inner surfaces of the arms and is dark brown to nearly black.[1]
Volva
A whitish, sack-like volva surrounds the base.[1]

Can you eat devil's fingers?

It is considered inedible because of its unpleasant smell and taste. Do not eat it, including the egg stage.[4]

Where and when does devil's fingers grow?

It is saprobic: it breaks down dead organic matter. It fruits on wood debris, mulch and forest litter in woodlands, gardens, orchards, old cemeteries and meadows.[3]

It can fruit nearly year-round, depending on climate. Fruiting months in Mexico remain unconfirmed by the sources consulted.[1]

It is documented in Australia, New Zealand, Africa, Europe, Asia, North America and South America. Mexican states remain unconfirmed by the sources consulted.[1][3]

See the mushroom map

About the name

Clathrus archeri is the combination Dring published in 1980. Lysurus archeri is its original name; Anthurus archeri is also listed as a synonym.[9][1]

Fun facts

  • Flies visit the gleba and help carry its spores.[4]
  • Miles Joseph Berkeley described it in 1859 from material collected in Tasmania.[6][10]
  • The name archeri honors Australian architect William Archer.[6]

Frequently asked questions

Sources

  1. Clathrus archeri: The Helicopter Stinkhorn
  2. Distribution and Ecology of Clathrus archeri in Romania
  3. Quo vadis? Historical distribution and impact of climate change on the worldwide distribution of the Australasian fungus Clathrus archeri (Phallales, Basidiomycota)
  4. Stinkhorn Mushrooms (Agaricomycetes: Phallales: Phallaceae)
  5. Pseudocolus fusiformis
  6. Clathrus archeri
  7. Clathrus archeri
  8. Clathrus ruber
  9. Index Fungorum — Clathrus archeri
  10. Index Fungorum — Lysurus archeri

Written with AI help from the cited sources. A second model checked every fact against those sources and removed what they did not support.

Image credits

Photos are under free licenses (CC0, CC BY or CC BY-SA).

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