Kuyini sepal? Sakhiwo umsebenzi

Kuyini sepal? Bakwenzelani ukuyibiza ngani? Imbali phezu isitshalo ukuvuthwa, sizungezwe laluhlata kwetjani. Lapho etshela ihlumela, ziba ezingabonakali ukwesekwa amacembe. Sepals, avame oluhlaza (eluhlaza), kodwa zikhona ezehlukile (ok). Ngokwesibonelo, ekuqaleni zom orchid ngemva kokuba uthathe imibala imbali, kuphenduke le sepals, amacembe. Enjalo ivela marigold futhi anemones. Indebe iqoqo ichaza sepals.

Ukuze siqonde ukuthi sepals, kudingeka utadishe ngemvelaphi yabo. Ngokusho izici kwesakhiwo ziyafana ihhashi vegetative eshiya. Ezinye izitshalo zikwazi ngokucacile ubona letingamange tibe netihibe kuzo kuya sepals. Kunezindlela eziningana imibala, lapho non-akukho imfundo enjalo, isibonelo, anemones.

imisebenzi sepals

Ukuqonda lokho sepals kuza emva ukuzimisela umthelela walesi simo emazweni imbali. Le ngxenye imbali inomsebenzi omkhulu ngoba izitshalo.

1. Bakha Ukuvikelwa akayena imbali iqhakaza nele-fetus zakhekile.

2. Uma sepals abe nombala oluhlaza ke onke amaqabunga, enza inqubo ye-photosynthesis, isb okumunca isikhutha nokukhululwa umoya-mpilo.

3. Ukwenza umsebenzi ngokwesekala imbali Corolla.

isakhiwo

Cabanga ngalokho sepal ku oyiyo. It liqukethe izingxenye ezimbili: i-parenchyma (mesophyll futhi izinyanda semithambo kuyoshaya kwezicubu friable) kanye epidermis (olwelwesini).

Kunezinhlobo eziningana sepals, kuye ngokuthi indawo amahlamvu endebeni.

1. Lapho amahlamvu ahlelwe eceleni komunye nomunye. Ngokwesibonelo, i-cherry noma iklabishi.

2. Sepals noma ngokuphelele tho, noma ingxenye. Ngokwesibonelo, uphizi noma amazambane. Ngokusho isakhiwo, zingabantu ethé ukuhluka kancane, ephethe isitsha amashidi tho ngesimo uphondo, tube noma insimbi. Ngokwesibonelo, Kalanchoe.

3. Ezinye sepals zitholakala emibuthanweni ezimbili ezihlukene. Ngokwesibonelo, Mallow noma ama-raspberry.

4. inkomishi Bilabiate ihlukaniswe yaba izingxenye ezimbili ukungalingani, efana esikweyoku.