Araucaria Bidville

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Evergreen conifers, wanda ke girma cikin ƙananan lambobi a yankin na Ostiraliya, suna da irin wannan suna na ban mamaki. Mafi yawansu suna kan yanki ne na wurare daban-daban, tunda a da an kusan lalata araucaria.

Bayanin nau'in

An sanya sunan bishiyar don girmama mai binciken daga Ingila John Bidwill. Da farko ya bayyana ta, sannan kuma ya aika da bishiyoyi da yawa zuwa Gandunan Royal Royal Botanic Gardens. Godiya ga wannan aikin, yanzu Bidwilla na araucaria yana ƙaruwa a Turai.

An bambanta wannan nau'in ta tsayinsa mai tsayi, har ya kai tsayin ginin bene mai hawa 9. Gangar na iya kaiwa santimita 125 a diamita, ma'ana, ba zai yi aiki ba don kunsa hannuwanku a ciki. Akwai samfurin mata da na maza. Bugu da ƙari, na farko sun fi girma.

Ganyayyakin suna oval-lanceolate. Suna da rauni, suna da tauri kuma suna da "fata" a bayyane da tabawa. Matsakaicin tsayin ganye yakai santimita 7.5, kuma nisa yakai santimita 1.5. Tsarin ganyayyaki ya bambanta dangane da tsawo. Don haka, a kan rassa na gefe da ƙananan harbe, suna girma a gefe ɗaya, kuma a saman kambin - a sarari, kamar dai suna zagaye reshe.

Inda ke tsiro

Yankin tarihin ci gaba shine yankin Ostiraliya. Mafi yawan bishiyoyi suna gabashin gabashin Queensland da New South Wales. Hakanan, ana samun araucaria a gefen tekun babban yankin, inda yake wani ɓangare na gandun daji masu zurfin ruwa.

Wannan itaciyar abin birgewa ce domin ita ce kawai wakiliyar tsohuwar sashen Bunia, wacce take daga cikin jinsin Araucaria. Bunia ya yadu sosai a lokacin Mesozoic, wanda ya ƙare shekaru miliyan 66 da suka gabata. Burbushin bishiyoyin da aka haɗa a cikin sashin an samo su ne a Kudancin Amurka da Turai. A yau sashen araucaria ne kawai ke wakiltar sashin.

Amfani da mutum

Mutane suna amfani da wannan itacen sosai. Kayan itace, sana'o'in hannu da kayan kwalliya anyi su ne daga katako mai ƙarfi. An aika Araucaria, da kayayyakin da aka yi daga gare ta, zuwa wasu nahiyoyi. Aikace-aikacen masana'antu suna buƙatar adadi mai yawa, kuma an sare bishiyoyi ba tare da waiwaye ba. Wannan halayyar ta haifar da raguwar yawan nau'in. Adana bayanai da matakan kariya na musamman sun ceci rayuwar Bucville ta araucaria daga halaka.

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Kalli bidiyon: Araucaria araucana - Video Learning - (Nuwamba 2024).