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Nomenclature

Lactarius cyanescens Stubbe, Verbeken & Watling
Belg. J. Bot. 140 (2): 199-201. 2007.

Original diagnosis

Pileus 10–90 mm diam., pileipellis leviter velutna, rugulosa vel laevis, sepiacea. Stipes 10–50 mm longus, 3–10 mm crassus, eburneus. Lamellae leviter decurrentes, distantes, arcuatae, cremeae, cyanescentes. Contextus cyanescens, gustu leviter acris vel mitis. Latex albus vel cremeus, cyanescens, interdum ex viridi cyanescens. Basidiosporae globosae ad subglobosae, 5.9–6.3–6.8 × 5.2–5,7–6.3 µm, zebroideae, cristis usque ad 2 µm altis ornatae; macula suprahilaris interdum distale vel totale amyloidea. Basidia 40–60 × 9–14 µm, subcylindrata ad subclavata, tetraspora. Pleuromacrocystidia absentia. Pseudopleurocystidia, 5–10 µm diam., emergentia, clavata vel moniliformia. Cheiloleptocystidia 11–40 × 3–7 µm, subcylindrata ad sublageniformia vel lageniformia, abundantia. Pileipellis bistrata; elementa suprapellis cylindrata vel subfusiformes, 10–24 × 2–5 µm, pariete tenui, pigmento atrobrunneo; subpellis ex cellulis subglobosis.
Typus. Malaysia: Negeri Sembilan, Pasoh Forest Reserve, along trail parallel to experimental plots, in logged-over dipterocarp forest, N02º58.25' E102º17.79', alt. 143 m, 06/09/2006, Stubbe 06/103 (GENT, isotypus KEP).

Typification

Holotypus: Stubbe D. 06/103 (GENT)
Asia: Malaysia: Negeri Sembilan, Pasoh Forest Reserve
lowland dipterocarp rainforest

Description

Photographs

Microscopy

SEM photos