Cantharellus melanoxeros

Photo: Graham Mattock

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Description

General: Fruit body; saffron-yellow to lilac; shallowly funnel-shaped with gills replaced by forked ridges; on bare soil with beech or mixed hardwoods; solitary or gregarious, often in fused groups.
Dimensions: Cap 2-4cm dia; stem 3-5cm tall x 0.4-1.2cm dia.
Cap: Saffron-yellow sometimes with lilaceous tinges; convex when young, later flattened to slightly infundibuliform with undulating incurved margin, surface finely tomentose or scurfy.Lower hymenial surface bearing irregularly forked ridges, lilaceous-rose, decurrent and distinctly bounded; flesh: whitish, lilaceous tinged in the stem.
Stem: Whitish when young then lilaceous-rose, cylindrical, merging with the cap, hollow when old.
Spores: Hyaline, smooth, oval to ellipsoid, with granular content, 9.5-12.0 x 6.5-7.5.5µm. Basidia 4 spored; cystidia absent.
Odour: Not distinctive.
Taste: Not distinctive.
Chemical Tests: None.
Occurrence: Late Summer to Autumn.

 

Qualifying criterion: 4.7: very rare European endemic species
Justification: threatened in 3 out of 7 countries in which it appears on official Red Lists; not recorded pre-1960 so decline not possible to reveal but generally agreed
Threats: air pollution, compaction, eutrophication, felling of host trees, overgrowth
Action Required: Site protection and monitoring against habitat loss and degradation; improvement of site management

 

Statistics:

UK (excluding NI & CI) fungus records

 

Total records: 17

Earliest recording: 1982
Latest recording: 2006
Vice Counties and (frequency): 3(4); 7(1); 8(2); 11(7); 17(1); 18(1); 97(1)
Pre-1960: 0 records
NBN Gateway grid map Post-1960: 17 records