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gill

(pl. gills)

Terms discussed: eroded, lamella (pl. lamellae), lamellate, lamellula (pl. lamellulae), partial gill (pl. partial gills), serrate


Topics:
serrate, eroded
sinuate

See Also:
daedaloid
gill spacing
gill depth




Image of Lentinellus omphalodes from Christian Gottfried Daniel Nees von Esenbeck (1816 - 1817) Das System der Pilze und Schwämme
Lentinellus omphalodes
Gills are those soft, thin, flexible blade-shaped ridges on the bottom of a "normal" mushroom cap. They constitute the hymenophore of the Agaricaceae, bearing the fruiting body's sexual spores on basidia.

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Image of Cantharellus cibarius from Eugen Gramberg (1913) Pilze unserer Heimat
Cantharellus cibarius
Lamella is (in this database, at least) a more general term for any plate-like spore-bearing organ, such as those on a daedaleoid hymenophore. I do not consider those gills, as they are too hard and usually too thick and blunt.
Another marginal case is that of Cantharellus cibarius, which has frequently forking folds of various depths as its hymenophore. Even when these folds are quite deep, most fungal authors are reluctant to call them gills, as their edges are blunt (having your " gill" come to a nice point like a knife blade seems to be an important part of the concept). In most other writings, however, lamella is considered a more "precise", "scientific" term for gills.

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serrate, eroded



Photo of Lentinellus ursinus by Leon Shernoff
Lentinellus ursinus
The gill margin is often an important feature: sometimes it's a different color than the rest of the gill, or not smooth and regular (the "default setting"). A gill with a saw-toothed edge is said to be serrate or serrated. A wildly irregular gill margin is said to be eroded. Lentinellus species are supposed to have serrated gills, but these are so irregular they can be said to be eroded.

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sinuate


Gills that are smoothly wavy at their margin are said to be sinuate.

 

 


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