Lactarius fulvissimus: The Ultimate Mushroom Guide
About The Lactarius fulvissimus Mushroom
Lactarius fulvissimus has a convex cap, expanding and eventually developing a central depression; 3 to 7 cm in diameter; surface dry or only slightly greasy, smooth to finely matt, becoming roughened towards the center when fully mature; pinkish brick red at first, developing a yellowish tinge and becoming apricot.
Other names: Tawny Milkcap.
Lactarius fulvissimus Identification
Initially convex, expanding and eventually developing a central depression; 3 to 7cm in diameter; surface dry or only slightly greasy, smooth to finely matt, becoming roughened towards the center when fully mature; pinkish brick red at first, developing a yellowish tinge and becoming apricot.
Pale pinkish-buff; adnate (sometimes with a slight tooth near the attachment point) or slightly decurrent; moderately crowded, some being forked; when cut releasing a whitish watery latex that is unchanging.
Dry, smooth, pinkish buff to brownish orange, often paler towards apex; cylindrical or slightly fusiform; 3 to 6cm long, 0.9 to 1.6cm in diameter; sometimes developing a cavity when old. Stem flesh yellowish buff, firm, and brittle.
Subglobose, 6-9 x 5.5-7.5µm; ornamented with pointed warts up to 1.2µm in height and some narrow ridges, a few of which are connected to form an incomplete network of ridges.
Creamy-buff with a pinkish tinge.
Odor and Taste
Unpleasant spicy odor; initially tasting mild then becoming slightly acrid.
Habitat & Ecological Role
Mycorrhizal, in broadleaf woodland, often under oaks, limes, hornbeams, or beeches on base-rich soil.
Lactarius quietus is of similar size and also occurs under oaks.
Lactarius fulvissimus Taxonomy & Etymology
This species was described in 1954 by French mycologist Henri Charles Louis Romagnesi (1912 - 1999), who named it Lactarius fulvissimus.
Synonyms of Lactarius fulvissimus include Lactarius subsericatus Kühner & Romagn. ex Bon. This milkcap has also been described under the following binomials: Lactarius cremor, Lactarius decipiens, and Lactarius ichoratus.
Lactarius britannicus D.A. Reid is treated by many authorities as synonymous with Lactarius fulvissimus - please see the opening paragraph of this page.
The generic name Lactarius means producing milk (lactating) - a reference to the milky latex that is exuded from the gills of milkcap fungi when they are cut or torn.
The specific epithet fulvissimus means strongly reddish-brown (very fulvous!).
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