Russula xiav-daj (lat. Russula cyanoxantha)
- Kev faib tawm: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Chav Kawm: Agaricomycetes (Agaricomycetes)
- Subclass: Incertae sedis (ntawm txoj hauj lwm tsis meej)
- Kev txiav txim: Russulales (Russulovye)
- Tsev neeg: Russulaceae (Russula)
- Hom: Russula (Russula)
- hom: Russula cyanoxantha (Russula xiav-daj)
Lub kaus mom ntawm cov nceb no tuaj yeem muaj ntau yam xim thiab ntau qhov ntxoov ntxoo. Feem ntau nws yog ntshav, grey-ntsuab, xiav-grey, nruab nrab tuaj yeem yog ocher lossis daj, thiab cov npoo yog liab. Thaum huab cua ntub, qhov saum npoo ntawm lub hau ua ci, slimy thiab nplaum, tau txais cov qauv radial fibrous. Ua ntej russula xiav-daj muaj ib tug semicircular duab, ces nws yuav convex, thiab tom qab ntawd yuav siv sij hawm nyob rau hauv ib tug ca tsos nrog ib tug kev nyuaj siab nyob rau hauv nruab nrab. Lub taub hau yog los ntawm 50 mus rau 160 mm. Cov nplooj ntawv nceb yog nquag, mos, tsis nkig, txog 10 mm dav, sib npaug ntawm cov npoo, dawb ntawm qia. Thaum pib ntawm txoj kev loj hlob, lawv yog dawb, thiab tom qab ntawd tig daj.
Cov ceg cylindrical, tsis yooj yim thiab ntxeem tau, tuaj yeem ncav cuag 12 cm siab thiab txog li 3 cm tuab. Feem ntau nws nto yog wrinkled, feem ntau yog dawb, tab sis nyob rau hauv qee qhov chaw nws tuaj yeem pleev xim rau hauv cov xim daj ntseg.
Cov nceb muaj dawb pulp, elastic thiab muaj kua, uas tsis hloov xim ntawm qhov txiav. Tsis muaj ntxhiab tsw tshwj xeeb, saj yog nutty. Spore hmoov yog dawb.
Russula xiav-daj Feem ntau nyob rau hauv deciduous thiab coniferous hav zoov, tuaj yeem loj hlob ob qho tib si hauv roob thiab hauv lowlands. Lub sij hawm loj hlob los ntawm Lub Rau Hli mus rau Kaum Ib Hlis.
Ntawm russula, cov nceb no yog ib qho ntawm cov qab tshaj plaws, nws tuaj yeem siv los ua ib sab zaub mov rau nqaij, los yog boiled. Cov tub ntxhais hluas txiv hmab txiv ntoo lub cev kuj tuaj yeem khaws tau.
Lwm lub russula zoo ib yam li cov nceb no - grey russula (Russula palumbina Quel), uas yog tus cwj pwm los ntawm lub kaus mom liab-grey, dawb, thiab qee zaum pinkish, ceg, tawv dawb daim hlau. Russula grey loj hlob hauv hav zoov deciduous, nws tuaj yeem sau rau lub caij ntuj sov thiab lub caij nplooj zeeg.