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Nomenclature

Lactarius saponaceus Verbeken
Bull. Jard. Bot. Natl. Belg. 65: 209. 1996.

Original diagnosis

Pileus 5.0-6.5 cm diam., applanatus et in centro leviter depressus; margine regulari, recto, leviter striato; pileipellis velutina, griseo-flava ad aurantio-grisea, in centro brunnea, marginem versus pallidior. Stipes 1.5-4 cm longus, 0.5-1.3 cm crassus, interdum excentricus, cylindratus, basin versus attenuatus, pallide brunneus ad griseo-brunneus, basin versus albidus. Lamellae adnatae ad decurrentes, moderate confertae, tenues, pallide flavidae; acies atrogrisea ad atrobrunnea. Contextus albus, gustu adstringens, saponaceus. Latex abundans, albus; gustu saponaceus, ingratus. Sporae pallide brunneae ad atrocremeae in cumulo, globosae ad subglobosae, interdum ellipsoideae, 7.3-8.0-8.7 x 6.8-7.3-7.8 µm, incomplete reticulatae, alatae, verrucis et cristis, usque ad 1 µm altis ornatae; macula suprahilaris non amyloidea. Basidia 50-65 x 9-11 µm, cylindrata vel subfusiformia, tetraspora. Macropleurocystidia absentia. Pseudopleurocystidia abundantia, 4-6 µm diam., emergentia, irregulariter cylindrata, tortuosa, mucronata. Pileipellis bistrata; elementa suprapellis cylindrata vel clavata, 15-25(35) x 5-12 µm, pariete tenui; subpellis ex cellulis curtis vel cylindratis.
Holotypus: Verbeken 94.353 (BR, isotypus GENT), Burundi, Bururi Prov., Nyamirambo, Rumonge Forest Reserve, 850-950 m alt., miombo woodland dominated by Brachystegia utilis, iii 1994.

Typification

Holotypus: A. Verbeken 94.353 (BR)
Africa: Burundi: Rumonge Forest Reserve, Nyamirambo hill
miombo woodland

Published type studies: Verbeken, Persoonia 17: Pl. 3 (2001).

Description

Photographs

Microscopy

SEM photos