Polylepis australis

Polylepis australis, wanda kuma aka sani a gida da suna tabaquillo ko queñoa itace ƙaƙƙarfan itace a tsakiyar Argentina, memba na dangin Rosaceae . Halin halittar Polylepis ya samo asali ne daga dazuzzukan Andean na gabas na gabashin Amurka ta Kudu.

 Bayani 
Shuka yana da ƙananan, ganye masu tsayi, 7-10 tsayi cm, yawanci yana kunshe da leaflets biyar ko bakwai. A cikin lokacin sanyi mai tsanani, Polylepis australis yana rayuwa ta hanyar samar da juzu'i na sako-sako, takarda kamar exfoliating haushi mai launin ruwan kasa; m murfin waje na katako mai tushe na itace. 

 Range da mazauninsu 
Polylepis australis asalinsa ne ga Sierras Pampeanas, jerin jeri na arewa-kudu a gefen gabas na Andes a arewa ta tsakiya Argentina, a cikin lardunan Catamarca, Córdoba, Jujuy, Salta, da Tucumán . Yana faruwa daga tsayin mita 1200 zuwa 2900, galibi a cikin dazuzzuka masu tsayi da ciyayi. 

Tsayin kudu na Polylepis australis yana cikin tsaunin Cordoba na tsakiyar Argentina (1,200-2,884). m sama da matakin teku). Renison, Daniel; Cingolani, Ana M.; Suarez, Ricardo; Menoyo, Eugenia; Coutsiers, Carla; Sobral, Ana; Hensen, Isabell (2005). "The Restoration of Degraded Mountain Woodlands: Effects of Seed Provenance and Microsite Characteristics on Polylepis australis Seedling Survival and Growth in Central Argentina". Restoration Ecology. 13 (1): 129–137. doi:10.1111/j.1526-100X.2005.00015.x.

An san dazuzzukan tsaunukan Polylepis na Kudancin Amirka a matsayin ɗaya daga cikin yanayin dajin da ke cikin haɗari a duniya. A yayin aikin sake dazuzzuka, D. Renison ( Jami'ar Cordoba, Argentina) ya gano cewa germination na Polylepis australis yana raguwa sosai tare da rage ɗaukar bishiyar.  Sakamakon farko na ƙarin binciken da aka gudanar tare da haɗin gwiwar Isabell Hensen ( Jami'ar Halle, Jamus) ya nuna cewa akwai dangantaka mara kyau tsakanin yiwuwar tsaba na Polylepis australis da matakin tasirin ɗan adam a kan tsaunukan katako. Tsirrai na Polylepis australis sun baje kolin babban bambanci dangane da yawan girma da kashi iri a tsakanin bishiyoyi da kuma tsakanin yankuna. 

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