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Tricholoma pullum : ウィキペディア英語版 | Tricholoma pullum
''Tricholoma pullum'' is a mushroom of the agaric genus ''Tricholoma''. Described as new to science in 1989, it is found in eastern North America.〔 ==Description==
The cap is initially convex to somewhat conical before flattening out in age; it attains a diameter of wide. The cap surface is dry and densely fibrillose (as if made of tightly packed fibers) in the center. The flesh is greyish white in the cap, lacks any distinct odor, and has a bitter or acrid taste. The gills are narrowly attached to the stipe, but often recede from the stipe as the mushroom matures. Their color is pinkish gray to greyish buff. Interspersed between the gills are numerous lamellae (short gills) that are not arranged in distinct tiers. The stipe measures long by thick, and is roughly the same thickness throughout its length. Its surface is smooth to silky, and whitish, although older specimens can develop yellowish tints.〔 The spore print is white. Spores are ellipsoid, smooth, hyaline (translucent), and measure 6.5–8 by 5–6 µm. The basidia are four-spored. Cheilocystidia are cylindrical to club-shaped, smooth, hyaline to dark grey, and measure 25–35 by 8–25 µm.〔
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