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I-botany igatsha lebhayoloji elibhekene nocwaningo lwezitshalo, okuhlanganisa ukwakheka kwazo, izakhiwo, kanye nezinqubo zamakhemikhali ezinto eziphilayo. Kufakwe futhi ukuhlukaniswa kwezitshalo kanye nocwaningo lwezifo zezitshalo kanye nokusebenzelana nendawo ezungezile. Izimiso nokutholwe kwesayensi yezitshalo kuye kwaba yisisekelo sesayensi esetshenziswayo njengezolimo, ukulima kwezitshalo namahlathi.
Izitshalo zazibaluleke kakhulu kubantu bokuqala, ababethembele kuzo njengemithombo yokudla, indawo yokuhlala, izingubo zokugqoka, imithi, imihlobiso, amathuluzi, nemilingo. Namuhla kuyaziwa ukuthi, ngaphezu kwezindinganiso zabo ezisebenzayo nezomnotho, izitshalo eziluhlaza zibalulekile kuzo zonke izinto eziphilayo eMhlabeni.
Izitshalo ikakhulukazi ziyi-photosynthetic eukaryote yombuso i-Plantae. Ngokomlando, umbuso wezitshalo wawuhlanganisa zonke izinto eziphilayo ezingezona izilwane, futhi wawuhlanganisa ulwelwe kanye nesikhunta; noma kunjalo, zonke izincazelo zamanje ze-Plantae azibandakanyi isikhunta kanye nolwelwe oluthile, kanye nama-prokaryotes.
Uhlu Lwezitshalo luqukethe uhlu olusebenzayo lwezitshalo zomhlaba. Izinhlobo ezifakiwe zihlanganiswe zibe izizukulwane eziyi-17,020, imindeni engama-642 namaqembu amakhulu.
Ungasebenzisa umsebenzi Wokuphequlula ukuze uhlole isigaba se-taxonomic esishumekwe ngaphakathi Uhlu Lwezitshalo.
Kuphakathi kokuthi wehlise i-taxonomic hierarchy kusuka ku-Major Group (ukuthola ukuthi yimiphi Imindeni eyingxenye ngayinye), kuya eMndenini (ukuthola ukuthi iyiphi iGenera ngayinye) noma i-Genus (ukuthola ukuthi yiziphi Izinhlobo eziyingxenye ngayinye).
Noma kusuka ngaphakathi kwesigaba se-taxonomic hambela phezulu ukuze uthole, isibonelo, ukuthi iluphi Umndeni Uhlobo oluthile.
I-Kingdom Plantae ngobubanzi yakhiwe ngamaqembu amane ahlobene nokuziphendukela kwemvelo: ama-bryophytes (i-mosses), (izitshalo zemithambo ezingenambewu), ama-gymnosperm (izitshalo ezithela imbewu yamakhoni), nama-angiosperms (izitshalo zembewu eziqhakaza).