Izithelo
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Kumchazazitshalo, isithelo siwuhlaka oluzala imbewu ezitshalweni eziqhakazayo olubumbeka esizalweni ngemuva kokuqhakaza.
Izithelo yizindlela izitshalo eziqhakazayo (ezaziwa nangokuthi ama-angiosperms ) ezisabalalisa imbewu yazo. Izithelo ezidliwayo ikakhulukazi sekuyisikhathi eside zisakazwa kusetshenziswa ukufuduka kwabantu nezilwane ebudlelwaneni obusondelene obuyindlela yokusakazeka kwembewu kweqembu elilodwa nokondleka kwelinye; empeleni, abantu nezilwane eziningi sebencike ezithelweni njengomthombo wokudla .Ngenxa yalokho, izithelo zibanga ingxenye enkulu yomkhiqizo wezolimo emhlabeni, kanti ezinye (njenge- iphumezi nehalananda ) zithole izincazelo eziningi zamasiko nezimpawu.
Ekusetshenzisweni kolimi okuvamile, "isithelo" ngokujwayelekile sisho izakhiwo ezihambisana nembewu (noma umkhiqizo) wezitshalo ezivame ukuba mnandi noma zimuncu futhi zidliwe endaweni eluhlaza, njengama- iphumezi, ubhanana, umhleke, umhlina, intshungwa, kanye namaumkomfana. Lapho lisetshenziswa ngokomcazazitshalo igama elithi "izithelo" lifaka izinhlaka eziningi ezingenziwanga ezivame ukubizwa ngokuthi "izithelo", ezifana nati, izindumba zamaqobolondo, izikhwebu zombila, intshelane, kanye nomdloyo okusanhlamvu.