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Hydnellum aurantiacum

Orange Spine

Hydnellum aurantiacum — 2023-08-20
Scientific identification
Hydnellum aurantiacum (Batsch) P.Karst.
Family
Bankeraceae
Class
Agaricomycetes
Genus
Hydnellum

Names across languages

  • English: Orange Spine
  • German: Korkstachelinge
  • Estonian: Kuld-kübarnarmik
  • Russian: Гиднеллум оранжевый

The scientific profile

From the latest record: 2023-08-20.

Hymenium

Consists of spines or teeth, varying from pale yellow to orange.

Cap

3-10 cm across, typically irregular or lobed, bright orange when young, fading with age.

Hymenium Attachment

Spines are decurrent along the stipe.

Stipe

2-6 cm long, 0.5-1.5 cm thick; typically lighter than the cap, often covered in orange mycelium at the base.

Fruit body

5-16 cm tall.

Spore print

Spore Print is Brown.

Ecology

Mycorrhizal, typically found under conifers.

Edibility

Inedible; tough and woody texture.

Microscopy

Spores 4.5-6 x 3-4.5 µm, elliptical, with warts.

Odour

Mild or not distinctive.

Overview

Hydnellum aurantiacum is a visually striking, inedible mushroom known for its bright orange cap and spines or "teeth" on the underside. It is most commonly found in coniferous forests where it forms a mycorrhizal relationship with the trees.

1879). Meddn Soc. Fauna Flora Fenn. 5: 41.

Field encounters

20/Aug/23, 4:33 PM

Raudoja, Harju County

Mixed forest (birch, pine, spruce), in moss near forest road

59°22'42.2"N 25°29'19.6"E (59.378381, 25.488766)

🔆 Fair weather with slight overcast

Original Instagram post

Source hashtags

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