Amanita arocheae
Amanita arocheae, also known as the Latin American death cap, is a mushroom of the large genus Amanita, which occurs in Colombia, Central America and South America. Deadly poisonous, it is a member of Amanita sect. Phalloideae and related to the death cap, A. phalloides.
Description
The cap is convex to plano-convex, reaching dimensions of. The cap surface is sticky or tacky. The center of the cap is gray to brown with a gray edge. The white gills are closely crowded together and free from attachment to the stipe. In young mushrooms, the gills exude drops of clear fluid. The dry, white to pale grey stipe measures long by thick. It has a bulbous base, a white to grey, membranous volva at the stipe base, and white mycelium at the base. The stipe has a white ring. The odor of the flesh is mild to unpleasant.The spore print is white. Spores are smooth, amyloid, spherical or roughly so, and measure 7–10 by 6.8–9.5 μm. Clamp connections are absent from the hyphae.
Similar species
Amanita vaginata is similar, however A. vaginata has non-amyloid spores and lacks a ring on the stipe.It differs from A. phalloides in the colour of its cap.