Mucronella calva

| |
Mucronella calva

On a fallen rotten deciduous tree trunk. 23 December 2021 Bramdean Common, Hampshire. Photograph copyright Leif Goodwin.

Fruiting Body

Forms a mat of narrowly conical downward pointing spines growing directly from the substrate, each spine separated from the others, initially white, becoming yellowish with age, each spine grows to about 2 mm in length

Flesh

Very soft, whitish

Smell

Indistinct

Taste

Unknown

Season

All year

Distribution

Rarely reported

Habitat

On rotten wood from coniferous and deciduous trees

Spore Print

White

Microscopic Features

Spores broadly ellipsoidal, smooth, amyloid (4-6) x (2.5-3.5) µm2. Basidia club shaped, 4 spored, basal clamp. Hyphal system monomitic, clamps present, hyphae 3 to 6 µm wide. Cystidia absent.

Edibility

Unknown but too small to be worthwhile

Mucronella calva

A crop from the first image. 23 December 2021 Bramdean Common, Hampshire. Photograph copyright Leif Goodwin.

Mucronella calva

Spores in Melzer's solution viewed with a x100 immersion objective. 23 December 2021 Bramdean Common, Hampshire. Photograph copyright Leif Goodwin.

Mucronella calva

The tip of a spine in Congo Red solution viewed with a x40 objective. 23 December 2021 Bramdean Common, Hampshire. Photograph copyright Leif Goodwin.