Kalmar "genus Picea" tana nufin rukuni na bishiyoyi masu tsire-tsire masu tsire-tsire na dangin Pinaceae, wanda aka fi sani da spruces. Kalmar “genus” tana nufin nau’in haraji a cikin rabe-raben rayayyun halittu, wanda ke nuni da gungun nau’o’in nau’ukan da ke da alaƙa da juna waɗanda ke da alaƙa iri ɗaya. Don haka, PICEA tana da halittar coniferous bishiyoyi waɗanda suka haɗa da nau'ikan nau'ikan, kamar su Norway spruce, da farin sakin starka. Waɗannan bishiyoyin suna da ganyen ganye masu kama da allura, 'ya'yan itace masu siffar mazugi, da kambi mai siffar pyramid.