Ayanska spruce ndi mtundu wamitengo yobiriwira nthawi zonse. Mtengowu umatha kukhala kuti udalipo chifukwa cha mitengo yayitali: yayitali mpaka zaka 350. M'mawonekedwe amafanana kwambiri ndi spruce wamba. Mu zinthu zaku Russia zimakula mpaka mita 8 pofika zaka makumi atatu ndi zisanu ndi chimodzi. Ili ndi khungwa losweka la utoto wakuda. Mphukira zazing'ono zimadziwika ndi mtundu wachikasu kapena wobiriwira wopepuka. Masingano ndi afupikitsa komanso osalala, makulidwe ake ndi achilendo chifukwa choti pamwamba nthawi zonse pamakhala zobiriwira zakuda, pansi pali imvi. Singano amatha kutalika kwa 2 cm, nsonga za singano ndizosalala kapena zazifupi kwambiri.
Ma conan spruce a Ayan ndi okongola kwambiri: asanakhwime, amatha kukhala ndi utoto wofiirira kapena wobiriwira, kenako amasandulika wonyezimira, pafupifupi 7 cm, wokhala ndi masikelo opepuka. Ayan spruce amasinthidwa bwino ndi nyengo yozizira. Imakonda dothi lonyowa, koma silimawoneka kawirikawiri m'madambo.
Pali mitundu yochepa kwambiri ya ayan spruce. Chimodzi mwa izo ndi Aurea waku Canada. Ili ndi mawonekedwe piramidi, singano ndi zachikaso komanso zowala.
Gawo lina ndi Nana Kalous. Mtengo wamakoma wokhala ndi mawonekedwe osangalatsa ofukula popanda thunthu lapakati. Kunja kwa singano ndikomveka.
Zosiyanasiyana zotchedwaspruce yosawa - Ndi chifanizo chofanana cha munthu wamkulu ndi chisoti chachifumu chamtundu wowala.
