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Vinegar cup

Helvella acetabulum

A species of Elfin saddles, Also known as Ribbed-stalk cup

The vinegar cup (Helvella acetabulum) forms fruitbodies in the shape of vases or chalices with deeply convex caps. Its distinguishing feature is the way the stem’s ribs extend all the way up the sides of the “cup,” in some specimens resembling the folds of cabbage leaves. Common name aside, it is not considered edible.

Cap Diameter:

2 - 12 cm

Odor:

Mildly mushroomy but not distinctive.

General Info About Vinegar cup

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Attributes of Vinegar cup

Cap Diameter

2 - 12 cm

Height

3 - 12 cm

Cap

Cap 2 - 12 cm across; cup-shaped, flat; yellow-brown to brown; surface smooth

Cap Shape

Bell-shaped, Flat

Cap Surfaces

Smooth, Visible lines or stripes

Stem

Stem 2 - 9 cm long, 5 cm thick; whitish to brownish; with finely hairy

Stem Shapes

Tapering

Stem Surfaces

Ribbed

Stem Cross Sections

Hollow or cottony hollow

Flesh

Thin; brittle; brownish, whitish

Ring

Ringless

Spore Print Color

White, whitish, cream

Odor

Mildly mushroomy but not distinctive.

Body Color

Brown

Yellow

White

Flesh Bruises

The flesh or milk does not discolor when bruised or cut.

Growth Form

Solitary, Scattered

Nutrient Gathering

Mycorrhizal, Saprophytic

Substrate

On soil, Dead Woods

You can find Vinegar cup by these plants:

Oaks

Occurence Habitats

Deciduous Woodland, Coniferous Woodland

Species Status

Widely distributed

Endangered Species

How to Identify Vinegar cup

Fruiting Body Inner Surface Outer Surface

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Habitat of Vinegar cup

The vinegar cup can be found in open forests and woodland edges. It grows on the ground, often near decaying stumps and logs, but it's probably a mycorrhizal species that forms a symbiotic relationship with the roots of trees.

Scientific Classification of Vinegar cup

Phylum

Class

Order

Family

Genus

Similar Species to Vinegar cup

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Tips for Finding Vinegar cup

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What are the Ideal Soil Conditions for Vinegar cup

Rich, moist, and well-drained soil.

What are Some Tips for Finding Vinegar cup

Seek locations with a mix of hardwoods or conifers, especially areas with signs of stumps or fallen trees.
Explore open forest areas rather than dense woods to find vinegar cup.
Pay attention to well-drained soil conditions that retain moisture without waterlogging.
Scan the ground for their distinctive cup-like shape, which makes vinegar cup stand out.
Check if there are signs of recent tree work or natural wood decay, which are common habitats for vinegar cup.

How to Clean and Preserve Vinegar cup

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Common Questions People Also Ask

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