Isakhiwo Flower: inkcazelo jikelele

Flower - zinamalungu omhle kwaye unique ukumimitheka of angiosperms. Owona msebenzi wayo - na ukuzala kumzimba. Ngaphandle kwento yokuba isakhiwo wentyatyambo ineempawu ngokufanayo, ukuze iqela ngalinye izityalo kuqwalaselwa ngamnye kwaye umlinganiswa eqhelekileyo taxonomic.

Imbali, imisebenzi kunye neempawu zayo. Phambi kokuba kuqwalaselwe isakhiwo intyatyambo, kuyimfuneko ukuba ufumanise ukuba yintoni na ilungu okuzala. Flower - namnye ngaphandle ukubaleka asisifutshane, ukuba iintyatyambo, pistils, stamens, sepals kwaye modified amagqabi.

Iintyatyambo kweentlobo ezahlukeneyo enezityalo ngeendlela ezahlukahlukeneyo iimpawu. Umzekelo, kuxhomekeke indlela uvuvuzelo, ukuze imibala neemilo, kunye namalungu ezongezelelweyo, ezifana nectaries. Kunjalo ke ngobukhulu lwabo - intyantyambo duckweed lincinane na ububanzi of 1 mm, kwaye ke intyantyambo kwezinye izityalo mlonyeni ifikelela ubukhulu imitha.

Isakhiwo jikelele kule mbali. ubume bayo bangonakala uwahlule ube zahlulo zithathu eziphambili:

• Isiqu inxalenye - ibandakanya pedicel kunye silahla.
• Sheet le - apha ziquka iintyatyambo kunye sepals.
• inxalenye okuzala - pistils kunye stamens.

Le imbali kubekwa phezu kwencochoyi ihlumelo, kokubini engundoqo kunye icala. Isiqu ukubaleka kakuhle waya peduncle (iintyatyambo sessile le nxalenye okanye asisifutshane kakhulu okanye angekhoyo). Nangabo phezulu ukwenza ebizwa ngokuba yi-isitya - ukuba incamathele kuyo nazo zonke ezinye iindawo wentyatyambo. Kusenokuba khaxa, phakathi, side okanye iflethi - kuba njalo oonobumba ebalulekileyo taxonomic.

Imbali: isakhiwo perianth. Perianth ebizwa inxalenye engenazintsholongwane wentyatyambo. Owona msebenzi wayo - kukho ukhuseleko amalungu okuzala. Ukongeza, imilo kunye nolwakhiwo indlela ixhomekeke perianth uvuvuzelo kwezityalo.

Perianth wohlulwe:

• Simple - isishiya zonke elifanayo (umzekelo, xa siqwalasela isakhiwo intyatyambo eTulip, siyakwazi ukubona ukuba unalo perianth elula).
• Dual - izinto perianth ukwenza ikomityi kunye phehla.

Uluthi iqulathe sepals ezahlukeneyo - zinokuba simahla okanye coalesce kunye.

Siqhuqha efanayo isethi iintyatyambo. Ngenxa umthetho, ukuba le nxalenye ebonakalayo kule mbali. Basenokuba coalesce kunye okanye ahlale simahla. Ezinye abameli zobukumkani izityalo, ezifana nee- mbotyi okanye orchid, bangabacimi luphawulwa isakhiwo kunokuba yokuqala. Esiqwene ke ezizodwa iiseli epidermal avelisa neeoli ezixabisekileyo - kanye yintoni edala ivumba.

Eyona engundoqo Imisebenzi egumbini - likhusi amaqondo aphezulu ngemini, ukhuselo emzimbeni ebusuku, ukhuselo ilanga, ngokunjalo nokutsala izinambuzane ukuhlakanipha.

Flower Isakhiwo: inxalenye okuzala. isabelo okuzala imelwe androecium intyatyambo (aggregate istameni) kunye gynoecium (aggregate pestles).

Le stamens i yindawo yemfundo kunye ekukhuleni umungu. Inani labo inokwahluka ukusuka kwelinye ukuya amakhulu ambalwa. Ezi ingase intyatyambo coalesce kunye namanye, okanye ukwahlukana. Stamen silahla iqhotyoshelwe stamens umsonto obhityileyo, ekummandla zeenkomo phezulu. Ngenxa yoko, kumqumbi wahlulwa ube ziziqingatha ezibini, nganye eneyazo kwiindawo zokubeka ezimbini, ezithi iqulethwe kunye microspores.

Kwisingqusho - enye ezasungulwa wentyatyambo. It iqulathe carpels ezinyibilikiswe kunye. Pistil yamaqanda lungahlulwa-hlulwa ibe (inxalenye ezantsi, equlethe iqanda), kukho ikholam kunye nebala (inxalenye ofumana umungu).

Ubume wentyatyambo ingaba nomahluko ngokupheleleyo. Kodwa kubalulekile ukuphawula ukuba i-nani, imilo kunye ubukho bezinye izinto ezincinane xa isakhiwo inxalenye ngamnye abalinganiswa taxonomic ngokwenene kubalulekile ukuba asetyenziswe KABLOOM mihla.