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 Add this item to the list  801747 Original description
   
Description type:Original description 
Description:Basidioma small to medium size, scattered. – Pileus: 17–52 mm in diam., convex to plane then broadly convex with slight depression at centre; surfece smooth, dull, orange yellow (66. v. OY) then fading to pale yellow (86. I. Y), with dark yelow-orange (68. s. OY) tints in older basidiomes; margin finelly inrolled in young specimens then slightly incurved in older to almost straight, not sulcate or striate; context solid, 2–4 mm thick near centre, whitish, unchanging. – Hymenial folds: decurrent, subclose to subdistant, orange-yellow (70. I. OY), repedly forked, frequently anastomosed then somewhat venose near pileus margin; folds to 2 mm broad, edge entire, concolorous. – Stipe: 30–60 × 4–9 mm, central but excentric in one basidiome; orange yellow (66. v. OY) then pale orange-yellow (67. brill. OY) in some parts ore yellowish (83. brill. Y) in some specimens; surface smooth, slabrous; context solid yellowish white (92. y White), unchanging. Basidiospores: 5.5–7.5 (–8) × (3–) 3.5–5 (–5.5) µm, (L = 6.5 µm; W = 4.2 µm; Q = 1.33–1.75 (–1.83); Q = 1.50), inamyloid, hyaline, colorless, ellipsoid to sometimes elongate, smooth, moderately thick walled (0.4 µm), adaxial surface slightly convex to flattened, only occasionally concave (rarely reniform in shape) flattened; hilar apendix obtuse, sublateral to subapical; guttulate. – Basidia: 36–58 × 5–8 µm, 6-sterigmate, with sterigmata up to 4–5 µm long, clamps plentiful at base. – Subhymenium: made of filamentous hyphae up to 6 µm wide. – Cystidia: absent. Hymenophoral trama: irregular; composed of filamentous hyphae 2.5–47.5 µm wide, colorless, thin walled; clamp connections plentiful, present on almost all septa. – Pileipellis: loose diferrentiated cutis made by terminal hyphal cells 37–66 × 4–7 µm, mostly cylindric with obtuse tips, pale yellowish cytoplasmatic pigment, interwoven to suberect; wall somewhat tickening to 0.5 µm; clamp connections plentiful, present on almost all septa. 
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