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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Lactarius fallax ： ウィキペディア英語版 Lactarius fallax ''Lactarius fallax'', commonly known as the velvety milk cap, is a species of fungus in the Russulaceae family. Found in both spruce and mixed conifer forests, it is a fairly common species in the Pacific Northwest region of North America, with a northerly range extending to Alaska. Its fruit bodies are medium-sized, with velvety, brown to blackish caps up to in diameter bearing a distinct pointed umbo. The caps are supported by velvety stems up to long and thick. The mushroom oozes a whitish latex when it is cut, and injured tissue eventually turns a dull reddish color. The eastern North American and European species ''Lactarius lignyotus'' is closely similar in appearance, but can be distinguished by its differing range. ==Taxonomy and classification== The species was originally described by American mycologists Alexander H. Smith and Lexemuel Ray Hesler in a 1962 publication.〔 Smith made the initial collection in late October 1944, in Rhododendron, Oregon. The publication also described the variety ''Lactarius fallax'' var. ''concolor'' based on specimens collected in Mount Hood. According to Smith and Hesler, this variety had been to that point generally identified as ''Lactarius lignyotus'' in the Pacific Northwest. They described the variety ''L. lignyotus'' var. ''americanus'' to account for differences such as "spore ornamentation, distant gills at maturity, and the typically slightly acrid taste".〔 However, in their 1979 monograph of North American ''Lactarius'' species, they considered ''L. lignyotus'' var. ''americanus'' to be equivalent (and thus synonymous) to ''L. fallax'' var. ''concolor''.〔 The specific epithet ''fallax'' is derived from the Latin word "deceptive".〔 The mushroom is commonly known as the "velvety milk cap".〔 ''Lactarius fallax'' is classified in the section ''Plinthogalus'' of the subgenus ''Plinthogalus'' of the genus ''Lactarius''. Species in this section have brown to blackish caps, and a cap cuticle that contains a dissolved brown pigment. The cuticle of most species is of the trichoderm type—where the outermost hyphae emerge roughly parallel, like hairs, perpendicular to the cap surface.〔Hesler and Smith, 1979, p. 103.〕 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「Lactarius fallax」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.