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Nomenclature

Lactarius sulcatus Verbeken & Walleyn
Persoonia 17 (3): 390. 2001 ("2000").

Original diagnosis

Pileus 45-55 mm diam., leviter planoconcavus, margine valde striato ad sulcato crenulato, pileipellis leviter velutina, brunnea. Stipes 20-40 mm longus, 7-11 mm crassus, subcylindratus, basin versus attenuatus, laevis, pallide brunneus. Lamellae adnatae, distantes, albidae. Contextus albidus, gustu mitis. Latex non abundans, albus. Sporae globosae ad subglobosae, 7.2-8.1-8.9 x 7.0-7.4-8.0 µm, subreticulatae, alatae, cristis usque ad 1.5 µm altis ornatae, macula suprahilaris interdum distale amyloidea. Basidia 55-65 x 10-12 µm, cylindrata vel subclavata, tetraspora. Macropleurocystidia absentia. Pseudopleurocystidia rara, non emergentia, 4-6(9) µm diam. Pileipellis trichopalliformis, gelatinosa, elemnta suprapellis 15-40 x 3-6 µm, irregulare cylindrata vel subtortuosa, subpellis ex cellulis sphaeris vel irregularis. Holotypus: Verbeken 99-176 (GENT).

Typification

Holotypus: A. Verbeken 99-176 (GENT)
Africa: Zimbabwe: road from Mutare to Bvumba at peg 15,5 km.
miombo woodland

Description

Photographs

Microscopy

SEM photos