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Gemmed Amanita

Amanita gemmata


The fruit bodies are colored yellow overall. The fresh cap, ranging in color from dull creamy yellow to golden yellow to buff, is sticky when moist. White warts adorn the cap surface, but they are usually flimsy and easily washed away by rain; they even seem as though they might easily slide off the wet cap surface with no more than gravity to encourage them. The cap is typically 4–10 cm (1.6–3.9 in) in diameter, initially convex before flattening out in maturity. The gills are adnate to adnexed, and white; they are close together, with little intervening space. The pale yellowish stem is 5–13 cm (2.0–5.1 in) long by 0.5–2 cm (0.2–0.8 in) thick, and either roughly equal in width throughout, or slightly thicker at the base. Young mushrooms have a membranous partial veil extending from the upper stem to the cap margin; as the mushroom grows, the partial veil tears to leave a flimsy, skirt-like, easily-lost ring on the stem. At the base of the stem is a flimsy white volva (a remnant of the universal veil that covered the immature mushroom) that usually forms a small, free rim. Spore prints are white.[7]


growing from ground in redwood forest

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Spotted by

San Mateo, California, USA

Spotted on May 11, 2012
Submitted on May 13, 2012

Spotted for Mission

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