Wednesday, September 7, 2011

Truffles, Gills and Pores, Lichens


Truffles are subterranean fungi with solid, globular fruiting bodies. They grow mainly in broad leaved woods. The perigord truffle of southern France is a much prized and very expensive delicacy. The traditional way of finding truffles is to train pigs or dogs to sniff them out. Most attempts at cultivating truffles commercially have failed.

Gills and Pores

The typical mushroom gets its food from decaying matter in the ground. Its fruiting body is spherical when it first bursts through the soil, but it quickly expands to form a cap and stalk. The latter, often called the stipe, may have a ring showing where the rim of the cap was originally attached and there may be a cup or volva, at the base. Under the cap, most species bear numerous fragile gills arranged like spokes in a wheel. The gill surfaces release millions of spores, the equivalent of seeds in flowering plants. Other mushrooms looks more like sponges, scattering their seeds from thousands of minute pores.


Lichens are among the hardiest of all organisms, growing in some of the hottest and coldest places. They clothe much of the arctic tundra. Each of the many species is actually a combination of a fungus and an alga. The alga can exist along, but the fungus cannot, so lichens are regarded as special kinds of fungi that rely on algae to provide much of their food.


  1. Rajkumarji,I remember my Father-in-Law(Retd Prof of Zoology Dt)who passed away 2 yrs back.He used to brief me all these things.Very interesting post.

  2. Thanks Christy!!! But by the way I am not that much old I think( Father in Law) :)

  3. Lichens is my fav...the symbiotic relationship shared by them is a real lesson for many of us :) there are various types of lichens based on their crust...

  4. Nice... Are some lichens also used as taste enhancers in the kitchen? I remember getting some spices from Kerala once, that looked something like it.

  5. I love the accompanying pics too they are so outsatnding !

  6. i didnt know truffles were fungi!
    the pics are amazing

  7. pls remove word verification for comments


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