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Piptoporus quercinusPhoto: Arthur WaltersBack to the BAP list |
DescriptionGeneral: Largish cream-brown irregular bracket, porose under-surface, sessile; arising from wounds in veteran oaks.Dimensions: Up to 19cm dia; up to 5cm thick. Fruit Body: Cushion-shaped at first becoming bracket-like, upper surface whitish at first becoming pallid yellow, then darkening to brown, margin more pallid; smooth, slightly velvety when young; narrowing at the point of attachment; sometimes bruising vinaceous; pores whitish at first, gradually turning brownish, small circular; flesh somewhat soft and elastic when fresh. Actively growing fruit bodies may exude colourless or yellow-brown liquid from tube layer. Basidia 4 spored. |
Spores: Hyaline, fusiform, smooth, 6-8 x 2.5-3.5µm; cystidia absent. Odour: Fresh, not distinctive; dry, spicy. Taste: Slightly bitter. Chemical Tests: None. Occurrence: Late Summer to Autumn. |
| Qualifying criterion: 4.4: rare species threatened by inappropriate site management |
| Justification: current BAP action needs to be continued |
| Threats: felling of and damage to host trees (bracken control and other forestry operations) |
| Action Required: Survey and monitoring; protection against habitat loss and degradation; site liaison and management; ecological research. |
Statistics:UK (excluding NI & CI) fungus records VC details to be updated |
Total records: 357 records |
| Earliest recording: 1871 | |
| Latest recording: 2007 | |
| Vice Counties and (frequency): 6(1); 9(1); 11(2); 13(1); 16(4); 17(6); 18(4); 22(24); 23(5); 24(1); 25(4); 32(2); 33(2); 36(3); 54(1); 55(1); 56(11); 57(3); 62(2); 72(1) | |
| Pre-1960: 15 records | |
| NBN Gateway grid map | Post-1960: 342 records |