Search on : Taxa descriptions

 


 
 Add this item to the list  817353 Original description
   
Description type:Original description 
Description:Pileus 13–70 mm broad, convex-campanulate, convex, plane-convex to plane, some umbonate or subumbonate, hygrophanous, dull or translucently-striate at the margin, glabrous to slightly fibrillose, smooth, dark greyish brown to dark grey. Lamellae adnate to emarginate, some with decurrent tooth, subdistant, ventricose, whitish then pink, edge entire, crenate, or eroded, concolourous. Stipe 19–70 × 2–8 mm, central, cylindrical, equal or broadening towards the base, fibrillose, occassionally with pruinose apex, longitudinally striate, whitish, some with pale brown, grey, or whitish fibrils at the apex. Context fleshy, white to whitish, smell none to farinaceous, taste farinaceous. Basidiospores 7.2–10.4 × 6.4–8.8 µm, Q = 1.0–1.3, isodiametrical to subisodiametrical in same proportion, scarce heterodiametrical, 5–7 angled, colourless. Basidia 26–48 × 8–13 µm, 4-spored, clavate to cylindrical-clavate, colourless, clamped. Pleurocystidia absent. Cheilocystidia absent. Pileipellis an ixocutis, terminal elements 24–28 × 8–12 µm, clavate to cylindrical-clavate, difficult to distinguish, without a differentiated subpellis, with scarce to abundant yellowish brown plasmatic and vacuolar pigment. Caulocystidia 18–65 × 5–12 µm, cylindrical-clavate to slightly lageniform, colourless or yellowish, scarce to abundant at the stipe apex, sometimes absent. Clamp connections present, abundant at the hymenophoral trama. 
Taxon name: