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kollariisikas e võiseen

Page history last edited by PBworks 13 years, 1 month ago

seente abcL



Kollariisikas

 

 

Kollariisikas [Lactarius scrobiculatus.] on kogukas, kollane riisikas. Kübar on karvane ja selle valge piimmahl muutub lõikepinnal hetkega erekollaseks. Jalg on jässakas ja kõva, tumedate laikudega heledal pinnal.

Kollariisikas on kibe, mistõttu on põhjust teda eelnevalt kupatada.

 

 

Võiseen ehk Kollariisikas (Lactarius scrobiculatus), ka kollapiimik ja võivahelik on seen, mida leidub väga sageli okas- ja segametsades, eriti kuusikutes. Võiseene kübar on ooker-, kuld– või sidrunikollane, takerkarvane kleepuv-limane. Kollakasvalkjad eoslehekesed on jala külge kasvanud. Jalg on valkjaskollane, tumedalaiguliste augukestega, lühike ja jäme. Seeneliha ja piimamahl on valged. Liha ja mahla värvus muutub õhu käes väävelkollaseks. Põletavalt kibeda maitsega.

 

 

 

 

 

kollariisikas e võiseen (Lactarius scrobiculatus) Vaata

Lactarius scrobiculatus

 

location: North America

edibility: Inedible

fungus colour: Yellow, Orange

normal size: 5-15cm

cap type: Convex to shield shaped

stem type: Simple stem

flesh: Flesh exudes white or watery latex (milk) when cut, Flesh granular or brittle

spore colour: White, cream or yellowish

habitat: Grows in woods, Grows on the ground

 

Lactarius scrobiculatus (Fr.) Fr. Cap 7-20cm across, broadly convex with a depressed disc and long inrolled, hairy margin, becoming flatter and broadly funnel-shaped with a smooth margin; pale ochre-yellow to yellow-orange, darker in the center with faint concentric bands of color, bruising dingy brown; very sticky, slimy when dry, scaly, often in rings. Gills adnate to decurrent, quite crowded, broad; whitish with a faint yellow or pink tint, bruising pale pinky-brown. Stem 30-60 x 15-35mm, sometimes tapering to a root-like base; tawny with glazed, yellow-brown spots and some white mycelium on the base; finely downy and pitted. Flesh rigid; white. Latex white, plentiful, quickly changing to sulphur yellow. Odor fruity. Taste burningly acrid. Spores broadly ellipsoid, amyloid, 7.1-8.6 x 5.9-6.8µ; ornamented with warts, some paired, and fine lines making a sparse reticulum, prominences 0.5-lµ high. Deposit bright ochre-yellow with a slight flesh tint. Habitat scattered to gregarious under conifers, particularly in mountain areas. Rare. Found in Oregon. Season September-October. Not edible. Comment My collection had burningly acrid milk, and I feel it should probably be recognized as Lactarius scrobiculatus var. scrobiculatus (Fr.) Fr., but the presence of this variety is not confirmed in North America.

 

--

Lactarius scrobiculatus var. canadensis

 

[ Basidiomycetes > Russulales > Russulaceae > Lactarius . . . ]

 

by Michael Kuo

 

The North American versions of "Lactarius scrobiculatus" are confusing and poorly documented. It may be the case that none of our North American mushrooms is truly identical to the European species named in the 19th Century by Elias Fries. In general, the mushrooms treated by North American authors as "Lactarius scrobiculatus" share the following features:

 

 

A hairy cap margin, at least when young;

Milk that is white but turns promptly yellow on exposure;

A stem that has potholes;

Elliptical spores with amyloid ridges that are less than .5 µ high.

 

But other features, including taste, cap color, hairiness, and spore print color, vary. Hesler & Smith (1979) question the documentation of Lactarius scrobiculatus proper in North America, and describe Lactarius scrobiculatus var. canadensis from the conifer forests of northern and montane North America. This variant has a whitish to olive buff cap that may become yellowish by maturity, mild or slightly acrid taste, a white or cream colored spore print, and fibrils on the cap that remain into maturity and often darken to brown.

 

Several field guide authors, including Arora (1986) and Phillips (1991), describe a western version of Lactarius scrobiculatus that is closer to the European species than Lactarius scrobiculatus var. canadensis. This mushroom is yellow from youth to maturity, and has a strongly acrid taste, a yellow spore print, and, in maturity, less prominent fibrils on the cap surface.

 

The European species Lactarius scrobiculatus is poisonous; I don't recommend experimenting with North American versions.

 

Description:

 

Ecology: Mycorrhizal with conifers; growing alone or gregariously; summer and fall; widely distributed in northern and montane regions of North America.

 

Cap: 4-10 cm; broadly convex with an inrolled and bearded margin when young; becoming shallowly vase-shaped, with the margin uplifted and smoother; slimy when young, but soon dry; covered with fibers that may darken to brownish, the fibers remaining visible in maturity; whitish at first, becoming olive buff or yellowish in age; without concentric zones of color.

 

Gills: Beginning to run down the stem; crowded; often forking near the stem; whitish; bruising or staining yellowish to pale brownish.

 

Stem: 3-11 cm long; 1-3 cm thick; equal; with many glazed, yellowish or brownish potholes; whitish; bruising and discoloring yellowish or brownish.

 

Flesh: Whitish; firm.

 

Milk: White, promptly turning yellow on exposure to air; scanty.

 

Taste: Mild or slowly slightly acrid.

 

Spore Print: White or creamy.

 

Microscopic Features: Spores 7-9 x 5.5-7 µ; elliptical; ornamentation with prominences about 0.5 µ high; connecting lines amyloid, sometimes forming a partial reticulum.

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