Matsutake commands some of the highest prices in the mushroom world, especially in Japan, where its arrival signals autumn and a single perfect specimen can be gifted ceremonially. The draw is an aroma like nothing else — spicy, resinous, cinnamon-and-pine, sometimes described as 'red hots meets gym socks' — carried in a dense white stem and brown-fibred cap. It is mycorrhizal with pines (and other conifers/oaks regionally), pushing up under needle duff where it is half-buried and hard to find. It must be distinguished from toxic white Amanita species; the matsutake's spicy smell, fibrous cap, and lack of a sac-volva are key.
Spicy, resinous, cinnamon-pine aroma; firm and savory.
Autumn under conifers; wild only, resists cultivation.
Identification is a chain of clues that must all agree. This is a reference, not an identification authority -- confirm every wild find with an expert.
All-white, bland or sweetish smell, sac-like VOLVA at the base. Matsutake has the spicy aroma, fibrous brown-streaked cap, and no volva.
Lacks the true spicy aroma; not deadly but not the prize.
White-to-tan cap with brown pressed fibres, thick white stem with a cottony ring, dry flesh, and an unmistakable SPICY-PINE smell. White spores, NO sac-like volva (which would signal deadly Amanita).
Always cook thoroughly before eating, and try only a small test portion of any species new to you.