Forrex

FIS

NRCanCanadian forest service

Glossary - F

This is a list of terms used in mushroom descriptions.

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Colour Summary

F

TERM DESCRIPTION
fabaceous bean-like
face of gills, the side as opposed to the edge (margin)
face view of spores, when the basidium with attached spores is viewed from the side, the spores directly above and in the center are being viewed in face view and the ones at the sides are in profile view, when not attached to basidium the shape that is wider will generally be the face view if there is a difference
facultative referring to an optional situation, sometimes, not necessarily; not obligate; of a parasite, able to live also as a saprobe (on dead material or from substances produced by living ones)
fairy ring a circle or arc of mushrooms
falcate of spores, sickle-shaped
falsely echinulate of spores, appearing ornamented with fine spines in optical section but actually with smooth outline, as in Fayodia
family a classification group above genus and species, but below class and order, suffix is -aceae
farinaceous of odor, with the smell of fresh ground meal from whole grain, especially wheat, same as mealy
fasciated of stems, caps, grown together so that tissues are intimately continuous, compare caespitose
fascicle a little group or bundle of fruiting bodies, hyphae or cystidia
fasciculate of fibrils, scales, stems, crowded in bundles
felted same as felty
felty appearing like felt, covered with more or less erect short fibrils which are long enough that some collapse; densely matted and interwoven, same as matted-fibrillose
ferruginous rusty red
fetid ill-smelling
fibril thin thread-like fiber
fibrillose composed of delicate fibers which are long and evenly arranged on the surface
fibrous composed of tough, stringlike tissue
filamentous composed of hyphae (threadlike cells)
filiform threadlike, long and slender
fimbriate fringed
finely adnexed of gills, so narrowly attached that they give the appearance of being free
fistulose of stem, having the flesh empty of fibrils, same as hollow, tubular
flabelliform fan-shaped
flaccid not firm, flabby
flaring spreading out
flat of cap, the margin being on the same level as the center, same as plane and applanate
fleeting quickly disappearing, used here as equivalent to evanescent or fugacious
flesh the tissue of cap or stem, not including the surface
fleshy soft as opposed to tough; having significant substance
flexuous of the stem, or of cystidia, bent alternately in opposite directions
floccose with easily removed cottony or woolly tufts; woolly or cottony; dry and loosely arranged; having the appearance of cotton flannel
flocculose with fine, easily removed cottony or woolly tufts; finely woolly or cottony
fluted of cap, with radial ridges; of stem, with longitudinal ridges
foetid ill-smelling
foray a field trip
foray list a list of species compiled from a field trip, often from macroscopic features, and often not as accurately as in geographic listings found in monographs or journal articles
forked of gills, dividing into two or more branches as they goes away from stem
forking of gills, dividing into two or more branches as they goes away from stem
form a consistent appearing variation of a species, with less variation than a variety, often not sufficiently hereditary as to characterize homogeneous populations
forma see form
free refers to gills that are not attached to stem
friable crumbling easily
fringed with a border of parallel threads or fibers, so that the edge is somewhat jagged and not smooth
frondose of a forest or the wood of hardwood trees
fruit-body same as fruiting body
fruiting body the whole reproductive structure of a mushroom including cap, gills and stem
fugacious soon disappearing, fleeting
fuliginous sooty brown or dark-smoke colored
fulvous fox-colored, deep orange to reddish orange, reddish cinnamon brown
fungus (plural fungi) an organism that lacks chlorophyll, consists of filamentous tubular branching cells with nuclei, and reproduces by spores
funnel-shaped with a very deep depression, like that of a funnel
furcate forking; forked or branched irregularly
furfuraceous scurfy, surface covered with branlike particles resembling scales, coarser than granular
fuscous color of a very dark storm cloud: variously described as combinations of gray, brown, purple, or black
fuscous-black a dark, dusky black or a black with a dark reddish-gray component
fuscous-brown a dark, dusky brown or a brown with a dark reddish-gray component
fuscous-purple purple with a dark reddish-gray component or somewhat dark (dusky) purple
fusiform spindle-shaped, narrowing from middle to both ends
fusoid somewhat spindle-shaped
fusoid-ventricose of cystidium, tapered toward both ends but distinctly enlarged in the middle

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