BRIEF DESCRIPTION: The cap of Amanita orientifulva is convex to plano-convex, and obtusely umbonate, non-appendiculate, with a tuberculate-striate margin. The cap is fulvous to brown or dark brown over disc, becoming ochraceous, yellowish brown to fulvous toward the margin. The flesh is white to dirty white to cream-colored and unchanging.

The gills are free, crowded, and white to cream-colored with brown to brownish edges. The short gills are truncate and plentiful.

The stem is 80 - 150 (-200) x 5 - 30 mm, dirty white to brownish, covered with brown to fulvous or greyish brown squamules. The saccate volva is membranous, white, often with rusty spots; and its upper margin is often brownish. It has a pale brown inner surface.

The spores measure 10.0 - 14.0 x 9.5 - 13.0 µm and are globose to subglobose and inamyloid. Clamps are not present at the bases of basidia.

The species occurs on soil under Fir, Oak, and/or Willow, and sometimes under Asian Chinkapin (Castanopsis). It fruits from June to September in southwestern China at 1300-4200 m elev. -- Zhu L. Yang