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''Suillus grevillei'' (commonly known as Greville's Bolete, Larch Bolete) is a mycorrhizal mushroom with a tight, brilliantly coloured cap, shiny and wet looking with its mucous slime layer. The hymenium easily separates from the flesh of the cap, with a central stalk that is quite slender. The species has a ring or a tight-fitting annular zone. ==Description== ''Suillus grevillei'' is a mushroom with a 5–10 cm (2–4 in) cap colored from citrus yellow to burnt orange, that is at first hemispherical, then bell-shaped, and finally flattened. It has a sticky skin, short tubes of yellow or brownish which descend down to the bottom of its cylindrical stalk (6–10 x 1–2 cm) which is cream-colored turning to reddish brown with a cream-white ring. It has a thin meat which has consistency at first but then quickly becomes soft. It has an odor reminiscent of rumpled ''Pelargonium'' geranium leaves. It grows in the soil of mixed forests, not always at the foot of larch (can be quite some distance away) with which it lives in symbiosis. It grows from June until November. ''Suillus grevillei'' is an edible mushroom (without consistency nor flavor) if the slimy cuticle is removed off the cap. This mucousy skin layer is what is known to cause intestinal issues, as is the case with several other Suillus such as Slippery Jack (''S. luteus'') or Jill (''S. salmonicolor''); often considered to be not worth the work. Its name is derived from Robert Kaye Greville.〔(natura.provincia.cuneo.it (In italian) ), accessed 5 August 2008〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Suillus grevillei」の詳細全文を読む スポンサード リンク
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