Overview
The Woolly Chanterelle (Turbinellus kauffmanii), also celebrated as Kauffman’s Scaly Vase, is a monumental, vase-shaped ectomycorrhizal fungus native to the ancient conifer rainforests of the Pacific Northwest. Forming massive, deeply hollow trumpets that can reach ten inches tall, this heavy forest mushroom is instantly recognized by its yellowish-tan to cinnamon-buff cap covered in coarse, woolly scales, and its deeply wrinkled, vein-like pale underside.
Biology and Physical Characteristics
Turbinellus kauffmanii produces large, fleshy basidiocarps that form a deep, flared funnel or vase. The cap surface is dry, pale clay-brown to golden-cinnamon, densely covered in coarse, shaggy, fibrous scales that give it a woolly appearance. Rather than true gills, the spore-bearing underside consists of a network of blunt, shallow, heavily anastomosing ridges and veins colored pale cream to yellowish-buff.
Behavior and Ecology
An obligate ectomycorrhizal partner, the Woolly Chanterelle associates with the root systems of ancient western hemlock (Tsuga heterophylla), Douglas fir (Pseudotsuga menziesii), and grand fir. It fruits in late summer and autumn following the onset of Pacific coastal autumn rains, often appearing singly or in scattered groups half-buried in thick cushions of moss and needle litter.
Conservation and Human Impact
Classified as Least Concern by the IUCN, Turbinellus kauffmanii is common throughout mature conifer stands in the Cascades and Coast ranges. While related to edible chanterelles, it contains norcaperatic acid, which causes severe gastrointestinal distress if consumed, distinguishing it from edible golden and white chanterelles.
Interesting Factoid
The Woolly Chanterelle forms deep hollow trumpets that look like ornate drinking horns carved from forest wood, acting as natural rain funnels on the old-growth forest floor.