Izithelo Indehiscent isitshalo ... izithelo indehiscent: izibonelo

Imbewu kanye izithelo izitshalo okubangelwa angiosperms zom, kukhona ngendlela emangalisayo ezihlukahlukene. Omisiwe poppy amabhokisi, namanzi berry utamatisi, elimnandi peach drupe ... Ukuze uqonde lokhu kuhlukahluka ngokunikeza kunzima, kodwa kungenzeka.

Siyini isithelo?

Lokhu umzimba okuzala obhekene ukuzala, kuyinto Ushintshe izitshalo imbali, ehlanganisa imbewu kanye pericarp. Ukuthi kuyinto isivikelo imbewu futhi version zakudala yakhiwa izingqimba ezintathu. Ngokwesibonelo, peach kanye namanye amalungu omndeni Rosaceae, ongaphandle ethulwa ifilimu obunesikhumba. Isendlalelo phakathi agcwele amanzi, amnandi futhi esinamanzi. A yasekhaya yaphenduka ithambo, ngokuphepha harbored ngaphakathi imbewu. Zivikela imbewu. Isakhiwo izithelo kuhlobene ne imisebenzi yabo.

ngezigaba

Izithelo yahlanganiswa ngeenqhema ezi ngezizathu eziningana. Ngokusho inani imbewu zingabantu seeded futhi polyspermous. Futhi kuye ngokuthi isakhiwo se-pericarp - ezomile kanye namanzi. Ngakho, uphizi - ezomile emabhontjisi polyspermic. A drupe kuyinto cherry izithelo namanzi futhi seeded.

izithelo namanzi

Lolu hlobo lokuthonya ngamunye eyaziwa nge ukunambitheka zenani elikhulu zomuntu pericarp. Phakathi kwabo kukhona izinhlobo eziningana. Drupe, okuyinto lethiwa ngenxa yokuba khona amathambo, kwakhiwa kusuka plums, cherry, cherry iplamu. Ikhukhamba ikhabe futhi squash has a egqamile olwelwesini nge iphethini isici.

Yini izitshalo ezithela izithelo "amajikijolo"? Gooseberries, black currants kanye abomvu, aluhlaza okwesibhakabhaka.

Kepha izithelo yohlobo olufanayo wukuthi, namazambane. nezilimo eziyizigaxa Its zidliwa kudidaniswe izithelo ngokuvamile kakhulu. Berry kahle ithandiwe futhi utamatisi.

strawberry Small nati sitrobheli azulazule aluhlaza proliferating ayesisebenzisa. Sakhiwo ejwayelekile futhi ine-apula. uhlobo wakhe izithelo inegama elifanayo. imbewu eziningana sizungezwe amakhamera lokuqala filmy, bese ungqimba phakathi esikoleni pericarp. Ngaphandle kwe-ungqimba zabo zangaphandle ivikela obunesikhumba ekhanyayo, umbala kahle kangako. Apple njengoba uhlobo izithelo ungacabanga ipheya, Quince kanye mountain ash.

izithelo ezomile

Kodwa abameleli lolu hlobo kuthiwa nakakhulu ngenxa izimfanelo ezibalulekile imbewu, ngaphandle pericarp. Lokhu kuyaqondakala. Bobathathu embhedeni wakhe noma uvalwe yindikimba, noma bona, obunesikhumba, entula izakhiwo ezibalulekile yokudla okunempilo. Kodwa imbewu izithelo ezomile - liyinqolobane isitshalo amafutha, amino acid kanye amavithamini.

Kukhona ngezigaba ogxile ikhono ukuthola isikebhe.

Ngakho, izithelo indehiscent simila kuyinto corn. Uhlobo izithelo ibizwa ngokuthi Weevil. Anakho konke Izendlalelo pericarp tho ngesikhumba imbewu. Ngakho, empeleni, akekho "ukudalulwa" akunakwenzeka.

Kodwa silicle zonke owaziwa esikhwameni kamalusi, sengathi esangweni kuvula ichopho we pericarp. Ngenxa yalokho ukwahlukanisa imbewu iba lutho okungavikelwe.

Ngakho, ngamunye izithelo ezomisiwe lingachazwa nge izikhundla ezintathu. Omunye-seeded ezomile izithelo indehiscent kusukela ziyadliwa. Ossified igobolondo thembeke ivikela kunoma yisiphi kwezimo zendawo ezimbi.

Polyspermous ezomile izitshalo indehiscent izithelo ayikwazi ukuhlangabezana ngokuvamile. Kulula ukuchaza. Ngo izitshalo nge inqwaba imbewu amaningi okuthi silondoloze ngokwehlukahlukana kwabo. Ngakho-ke, kukhona izithelo ekhaya ngokuphepha, "eyakhishwa ngo-inkululeko." Uma imbewu ingenye, idinga ukuvikelwa mkhulu. Ngakho-ke, ngaphansi sama-a pericarp okuthembekile uqine obukhulu.

izithelo okwehliswayo

Izitshalo kanye lolu hlobo izithelo ezomile is ngokuphepha zifakwa ukusatshalaliswa ezimele ngokwemvelo. Boll poppy iqala ukwambula uma sesivuthiwe, futhi imbewu ngaphandle kokuphazanyiswa ngaphandle enhlabathini. Ngokufanayo, i-crack izithelo futhi violets. Iklabishi lwesinaphi imbewu kuyabonakala phezu ukunwetshwa pods zabo. Ngokufanayo, enhlabathini konke imidumba: peas, ubhontshisi, clover.

Eqinisweni abathandwayo. Asinakusho ukuthi izithelo indehiscent isitshalo okuthiwa ikhukhamba zasendle. Ngemva izithelo agcwele amanzi. Nokho, yokuvuthwa, njengokungathi wayekhathazeka ngokudubula imbewu, sishaye bonke phezu komakhelwane.

izithelo indehiscent

Izibonelo zingatholakala ehlathini (hazel) nasensimini (kakolweni). Emvelweni, izitshalo kulula ukuzibona, izithelo ezomisiwe okuyinto cishe njalo ahlale phezu izithombe. Baye indehiscent.

I pericarp izithelo njalo ivaliwe. Ngezinye izikhathi umuntu ngisho nokuzihlupha ezinye umzamo ukuze uyivule. izithelo Indehiscent has a isitshalo maple. imbewu yayo anemisila izindwani ezimbili ezinjengezewundlu amaphiko. Ngesithelo igatsha maple (igama okuyinto - Samara) kuyofika off kuphela uma Isiqu yayo esomile. Khona-ke umoya ucosha imbewu, futhi ujikeleza emoyeni sengathi indiza.

Kuthiwa isakhiwo anoma yiluphi uhlobo izithelo ngenxa nesidingo sokuvikela imbewu, ngakolunye uhlangothi, futhi ukudlulisa kubo - ngakolunye. izithelo Indehiscent kuyinto isitshalo uyazigcwalisa kangcono umsebenzi wokuvikela ekusakazeni imbewu izindlela ezengeziwe. Ngakho, ezinamaphiko ziyadliwa birch eyenziwa kalula ngisho nomoya omncane kakhulu, futhi burdock achene babe slinging ekhethekile lapho anamekwe noboya isilwane noma izingubo womuntu. Kepha lapho ehamba, bendlala burdock, bengazi. Yilokho it is kanjani wahlela nemvelo - ngokuhlakanipha futhi akukho frills.