Orange spine

Hydnellum aurantiacum

A species of Hydnellum. Also known as Orange rough-cap tooth.

The orange spine fungus is a popular choice for dyeing, yielding shades of grey and green. While its initial appearance might suggest a polypore, closer inspection reveals a distinct underside covered in small spines rather than tubes.

In This Article
Attributes Classification Toxicity

Attributes of Orange spine

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Cap Diameter
3 - 10 cm
Height
3 - 7 cm
Cap
Cap 3 - 10 cm wide; flat; orange to rusty red; pocked, pitted; often bruises brownish to blackish
Cap Shape
Flat, Depressed
Cap Surfaces
Fibrillose-scaly, Visible lines or stripes
Stem
2 - 5 cm long, 1 - 2 cm thick at apex; cylindric, club-shaped, or somewhat irregular; orange to rusty red; sometimes spongy near the base
Stem Shapes
Club Shaped
Stem Surfaces
Smooth to slightly fibrous
Flesh
Two-layered; whitish to dull orangish
Ring
Ringless
Spore Print Color
Brown
Odor
Pleasantly fragrant, not specific or intense.
Body Color
RedWhiteOrangePink
Flesh Bruises
The flesh or milk does not discolor when bruised or cut.
Growth Form
Solitary, Scattered, Gregarious
Nutrient Gathering
Mycorrhizal
Substrate
On soil, Leaf or Needle Litter
You can find Orange spine by these plants
Common douglas-fir, Eastern hemlock, Spruces, Pines, Firs
Occurence Habitats
Coniferous Woodland
Species Status
Widely distributed in North America
Endangered Species
No

Scientific Classification of Orange spine

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Phylum
Club fungi
Class
Mushroom-forming fungi
Order
Thelephorales
Family
Bankeraceae
Genus
Hydnellum
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Toxicity and Edibility of Orange spine

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Is Orange spine Toxic?

Toxicity information is not available for this mushroom. Always consult with an expert before consuming any wild mushrooms.