|Major Groups > Clubs & Corals > Clavulina amethystinoides|
[ Basidiomycetes > Cantharellales > Clavulinaceae > Clavulina . . . ]
by Michael Kuo
Rarely if ever featured in field guides, Clavulina amethystinoides is an odd little fungus--a drab, purplish, Clavaria zollingeri wannabe. Its microscopic features (two-spored basidia, nearly round spores, and clamp connections) place it in the genus Clavulina, where it looks somewhat like a soiled Clavulina rugosa, and even occasionally develops branch tips approximating the "cristate" branch tips found in Clavulina cristata.
Ecology: Presumably mycorrhizal; found under conifers and hardwoods; growing alone, scattered, or gregariously--but not in clusters; often in moss or in moist areas; summer and fall; southeastern United States to Massachusetts and Illinois.
Fruiting Body: 2-6 cm high; usually moderately and irregularly branched, antlered, or lobed--but sometimes branched sparingly or not at all; when branched up to 4 cm wide.
Branches: Fairly smooth, or finely rugged (but bald); fleshy tan to drab lilac or drab purple; tips colored like the sides, bluntly to sharply pointed or occasionally vaguely "cristate" with sharp points.
Base: Up to about 3 cm long; velvety at the base; colored and textured like the branches.
Flesh: Colored like the surfaces; brittle in the branches and tougher in the stem.
Odor and Taste: Not distinctive.
Spore Print: White.
Chemical Reactions: Irons salts negative on branches.
Microscopic Features: Spores 7.5-8.5 x 6-7.5 µ; subglobose or broadly ellipsoid; smooth; with an apiculus. Basidia clavate; 2-sterigmate with long, incurved sterigmata. Clamp connections present.
Clavulina amethystina is a similar but more purple European species. "Clavaria amethystina" is an outdated synonym for Clavulina amethystina that is sometimes misapplied in field guides; see the comments on the page for Clavaria zollingeri.
Cite this page as:
Kuo, M. (2012, February). Clavulina amethystinoides. Retrieved from the MushroomExpert.Com Web site: http://www.mushroomexpert.com/clavulina_amethystinoides.html