Truffle Genus: Longia
Kingdom: Fungi Phylum: Basidiomycota Order: Agaricales Family: Agaricaceae |
Spore Characters
Surface: Smooth.
Shape and Size: Slightly obovoid to subglobose, 6.2-7.5 x 5-6.3 µm, sterigmal scar present.
Wall: Single, 0.5-1.0 µm.
Color in Water: Red-brown to dark brown.
Melzer's Reaction: Not distinctive.
Comments: Spores can't be distinguished from Gyrophragmium but are smaller than Neosecotium.
Sporocarp Characters
Shape and Size: Agaricoid with stem, subglobose to broadly convex, 5-12 cm tall x 3-9 cm wide. Columella present.
Peridium: Smooth or scaly, cream or buff becoming dark brown or gray.
Gleba: Anastomosed gills, black to dark brown.
Odor: Not recorded.
Comments: Longia can be distinguished from Gyrophragmium because it lacks the persistent universal veil or volva (Zeller, 1943).
View photos of Longia sporocarps