Obobok-ƙafa mai launi (Harrya chromipes)
- Rarraba: Basidiomycota (Basidiomycetes)
- Yankin yanki: Agaricomycotina (Agaricomycetes)
- Darasi: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae (Agaricomycetes)
- oda: Boletales (Boletales)
- Iyali: Boletaceae (Boletaceae)
- Genus: Harrya
- type: Harrya chromipes (Asu mai fentin ƙafa)
- Boletus fentin-kafa
- Birch fentin da kafafu
- Tylopilus chromapes
- Harrya chromapes
Sauƙaƙan bambanta daga duk sauran buttercups da launin ruwan hoda na hula, rawaya mai tushe tare da ma'aunin ruwan hoda, ruwan hoda, da naman rawaya mai haske a gindin tushe, rawaya mycelium da ruwan hoda. Yana girma da itacen oak da Birch.
Irin wannan naman kaza shine Arewacin Amurka-Asiya. A cikin Ƙasarmu, an san shi ne kawai a Gabashin Siberiya (Eastern Sayan) da Gabas Mai Nisa. Ga rigingimun ruwan hoda, wasu mawallafa suna danganta shi ba ga asalin obabok ba, amma ga jinsin tilopil.
Hat 3-11 cm a diamita, mai siffar matashin kai, sau da yawa launuka mara kyau, ruwan hoda, hazel tare da zaitun da tint lilac, mai ji. Ruwan ruwa fari ne. Tubules har zuwa 1,3 cm tsayi, faɗin faɗin, baƙin ciki a cikin tushe, kirim mai tsami, ruwan hoda-launin toka a cikin jikin samari masu 'ya'yan itace, kodadde launin ruwan kasa mai launin ruwan hoda a cikin tsofaffi. Kafa 6-11 cm tsayi, 1-2 cm lokacin farin ciki, fari tare da ma'aunin shuɗi ko ruwan hoda; a cikin ƙananan rabin ko kawai a gindin rawaya mai haske. Spore foda chestnut-launin ruwan kasa.
Spores 12-16X4,5-6,5 microns, oblong-ellipsoid.
Obabok mai launin ƙafa yana tsiro a ƙasa ƙarƙashin birch a cikin busassun itacen oak da dazuzzukan itacen oak a cikin Yuli-Satumba, sau da yawa.
cin abinci
Namomin kaza masu cin abinci (kasu biyu). Ana iya amfani dashi a cikin darussan farko da na biyu (tafasa don kimanin minti 2-10). Idan aka sarrafa, ɓangaren litattafan almara ya zama baki.