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Dwarf willow: ndị e ji mara nke a na-eto eto?

Ọkà mmụta ihe ọkụkụ ogologo a mara na ụfọdụ n'ime osisi na-eto eto iche iche, gụnyere osisi na ọbụna a miniature dịgasị iche iche. One dị otú ahụ ụdị bụ a Dwarf willow.

More kpọmkwem, aha a abụghị ụdị, na a plurality ụdị ịtụnanya osisi, banyere nke anyị ga-ekwu taa.

Ọtụtụ n'ime ha na-eto eto na Arctic gburugburu na na elu karị. Na Alps, na Dwarf willow hụrụ n'ebe ịdị elu nke 3.2 km. M hụrụ nke a osisi, ọbụna n'àgwàetiti nke Svalbard.

Na United States na-etolite ruo Labrador. All nke willow ezinụlọ dị iche iche nkekọ mmiri ebe ha na-ahọrọ na-eto eto n'ụsọ oké osimiri, mgbe ụfọdụ, ọbụna n'ebe ndị na-ahụ mgbe nile surf apụta.

Fọrọ nke nta niile nke ha na-anọchite anya otú ahụ mara mma, na ozugbo nweela ude na media odida obodo na-emepụta. Karịsịa, ha na-atụ aro ka a na-eji maka akuku nkume ubi na nkume ebe.

Dwarf willow n'ụzọ zuru okè na-alanarị kefriza na ogologo stay n'okpuru snow n'ihi na nke obere Kporo stele nso n'ala.

Oval akụrụ ogologo nke 6 mm ike enwe na Ome. On otu oge ịse amalite ọ dịghị ihe karịrị 3-4 epupụta. Stipules bụghị.

Epupụta nke kasị umu-ji ha agụnye mmetụta, n'ọnụ ha gburugburu ma ọ bụ na a obere notch, ha ogologo bụ adịkarịghị karịa 25-27 mm.

Ke adianade do, eto eto epupụta na-akwanyere ya ùgwù site ọnụnọ nke "fuzz" na abụọ, mgbe ahụ toro-elu mbipụta nke ọ na-anọgide naanị tinyere akwukwo cuttings.

N'agbanyeghị nke ịhụnanya ezi hydration, Dwarf willow bụ nnọọ nkịtị na nkume mkpọda, mgbe mgbe, na-etolite na ókè-ala nke mmejọ na nkume, karịsịa na-ahọrọ calcareous nkume. Ọ na-eme ezi acidification (na salinity, dị ka anyị kwuru) Ona. Rada n'ala n'otu ntabi Ome gbanyere mkpọrọgwụ.

Na umu na-eto eto dị iche iche ihu igwe zones, e nwere oké njọ iche na N'ezie nke a ite. Ke ufọt ufọt April buds na Dwarf osisi willow na Alps, na site n'oge nwere ike ịmalite na-eto eto oge ọzọ di iche iche.

N'agbanyeghị oyiyi, ndị a osisi dị nnọọ iche n'ebe onye ọ bụla ọzọ na ogo pubescence nke epupụta na-eto eto Ome, dị ka nke ọma dị ka size nke ogwe. Ya mere, S. reticulata, nke na-etolite na Northern Urals, nwere a kama ogologo Ome, na-eru 25 cm, ọchịchịrị akwụkwọ ndụ akwụkwọ ndụ, leathery epupụta.

Site Khibiny otu na-emetụta osisi willow * Tụkwasị Dwarf, nke Ome adịghị eru ịrịba uru. Alpine umu ọbụna ihe petite. Ha na-ejigide na efu na underside nke mpempe akwụkwọ maka a ogologo oge.

All nke a bụ nnọọ obere osisi na-eto eto-agụghị oké, otú dịrị kasị mma na-eji nanị ndị na-eto eto Ome, dị ka ndị kwesiri fọrọ nke nta mgbọrọgwụ. Ọ kasị mma na-mgbọrọgwụ na-eto eto osisi sitere na Northern Urals. Ya mere, ruo afọ atọ, ha ruru otu ịdị ukwuu dị ka Khibiny mbipụta na 11 afọ.

N'agbanyeghị nke umu, na Dwarf willow (photos nke nwere isiokwu) bụ nnọọ eguzogide pests, ntu oyi na enweghị nri na ala.

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