I-Immortelle (iLa Selaginella)  

Umnxeba obizwa ngokuba nguSelaginella

La iselaginella sisityalo esizalelwa kwintlango yaseChihuahuan, ethi Iquka malunga ne-700 yeendidi ezichongiweyo, ezisasazwa yimimandla ebanzi emhlabeni. Ichongwa ngamanye amagama anje ngala: Siempreviva okanye iDoradilla.

Iimpawu ngokubanzi

izityalo entofontofo

Inkqutyana yesi sityalo ibonakaliswa kukusoloko luhlaza. Ezinye zazo zivela kumahlathi ashushu afumileyo, ngelixa ezinye ziye zaqhelana nemeko yeendawo ezomileyo ngakumbi ezinamaxesha embalela, apho zikwaziyo ukuphila ngenxa yamagqabi amancinci anezikhuselo ezikhuselayo, ezihlangeneyo oko kuqokelelwa njengebhola ngelixa imbalela iqhubeka, banciphisa umphezulu wokubila kwaye bayamelana kude kube sekupheleni kwexesha.

Njengoko benakho ukubuyela kwimeko yabo yoqobo xa iimeko zemozulu zilungile, zibizwa ngokuba sisityalo sovuko. la iselaginella Ukwahlula ngokugoba kwayo ngokuyinxenye kunye nendawo emileyo apho kuvela khona inani elikhulu lamasebe, alinamaqhina kwaye alinazo ii-internode, iingcambu zininzi kwaye zinomdla.

Amagqabi amancinci afakwe izikali angabonakala nakwisiqu esisezantsi nje se-ligule, apho isityalo sifunxa amanzi abekwe emagqabini aze awathumele kwinkqubo yokujikeleza kwegazi. Uswele iintyatyambo, Kodwa endaweni yoko ine-sporophylls okanye amalungu omsebenzi wawo kukuvelisa kwakhona kwesityalo, ngokufanayo neferns.

Iintlobo eziphambili ze iselaginella

Esiza kuthi sikhankanye apha ngezantsi zezona zixhaphake kakhulu kwimimandla eyahlukeneyo yehlabathi kwaye ke ezaziwa kakhulu:

USelaginella Lepidophylla

Ixhaphake kakhulu kuMbindi nakuMzantsi Merika, iirosettes ezigqabi eziluhlaza zihlala ziba bomvu xa zivuthiwe. Ezi zincinci zikhusela kwimbalela ngokuvala njengebhola kwaye ibuyele kwimeko yayo yantlandlolo xa ukufuma okanye imozulu entle ibuya.

USelaginella Kraussiana

Ezi zincinci zivela eMpuma Afrika, zikhula ngokukhawuleza okukhulu, zineengcambu ezininzi kwisiqu kwaye ziyakhwela.

USelaginella Martensii

Enye yezona zinto zaziwayo zivela eMexico. Yahlukile kwezinye ngokuma kwayo okuthe nkqo nangaphandle kwaye amagqabi awo makhulu kwaye abukisa ngakumbi.

selaginella uncinata

Ngummeli wolu hlobo lweyona intle kwaye isetyenziselwa ukwenza iiragi ezinengca kunye nokuyibeka kwiibhasikiti ezixhonyiweyo ezinjengeeferns.

USelaginella Helvetica

Kuqhelekile kwiiAlps kwaye kwahluka kwimiqolo emibini yamagqabi amancinci Ngaphezulu kunye nemiqolo emibini yamagqabi amakhulu asezantsi, yonke imi phezulu kwisiqu.

USelaginella Denticulata

Yintyatyambo ebuthathaka kakhulu enamasebe amancinci kunye namagqabi amancinci aluhlaza afakwe kwimiphetho.

Unonophelo lwezityalo ngokubanzi

Isityalo sokuhombisa esibizwa ngokuba yiSelaginella

La iselaginella Ngokwenyani, ayifuni nkathalo ingako, nangona kunjalo ikhetha indawo ezinomthunzi okanye ilanga lifikelela kuyo ngokungathanga ngqo. Ke ukuba uya kuyikhulisa ekhaya, fumana indawo elungileyo ekude nedrafti. Ngokubhekiselele kumaqondo obushushu, ngokuchanekileyo, kufuneka babe ngaphezulu kwe-16º okanye i-18º.

Ngentwasahlobo-ehlotyeni isityalo sifuna ukunkcenkceshelwa rhoqo, ke kuya kufuneka uqiniseke ukuba i-substrate ihlala ifumile kodwa ayikhukulisi. Ukongeza, unokutshiza ngeenxa zonke kube kanye ngemini ukwenza imeko efumileyo. Eli xesha lonyaka lilungele ukubonelela ngesichumiso kwi-substrate ngendlela elula kakhulu kuba isityalo asifuni kakhulu kulo mbandela.

Yithambise rhoqo emva kweeveki ezi-3 okanye ezi-4 uxuba umgquba opheleleyo kunye nomgangatho kunye namanzi okunkcenkceshela, ukongeza ukunciphisa ukuya kumthamo ocetyiswayo kwiphakheji yomgquba. Ukunkcenkceshela ekwindla-ebusika kuncitshiswa ngakumbi, ke iimeko zokufuma kwindawo esingqongileyo kufuneka zigcinwe.

Ukudubula kunye nokuthena

Khumbula ukuba ezi zityalo zine sporangia endaweni yeentyatyambo, ezinoxanduva lokuzala kwakhona. Oku kufuneka kwenziwe kanye ngonyaka, kanye xa ukufakelwa kwenziwa entwasahlobo okoko isityalo sikhula ngokukhawuleza kwaye ngendlela engalunganga. Inkqubo ye- ukuthena kwenziwa ngokusika amasebe ukuya kwisiqingatha sobukhulu bawo.


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