Thaum anthers fused thiab filaments dawb?

Cov txheej txheem:

Thaum anthers fused thiab filaments dawb?
Thaum anthers fused thiab filaments dawb?

Video: Thaum anthers fused thiab filaments dawb?

Video: Thaum anthers fused thiab filaments dawb?
Video: fixation of filaments to anther 2024, Hlis ntuj nqeg
Anonim

Thaum stamens raug fused los ntawm lawv cov anthers thiab filaments dawb ces tus mob no hu ua gynandrous.

Thaum tag nrho cov filaments raug fused los ua ib lub raj thiab anthers dawb tus mob yog?

Ob lub lobes muaj plaub kab noj hniav los yog paj ntoos hnab uas hu ua microsporangia. Cov lus teb tiav: Syngenesious lossis synantherous yog qhov xwm txheej ntawm cov stamens uas cov anthers tau fused los ua ib lub hnab ntim tubular thaum lawv cov filaments dawb.

Thaum cov anthers ntawm androecium koom ua ke tab sis cov filaments nyob twj ywm dawb lub paj yog hais tias yog?

Thaum cov filaments ntawm stamens fused ua ke tab sis cov anthers nyob dawb, tus mob yog hais tias yog adelphous. Thaum cov anthers fused ua ke, tab sis cov filaments nyob dawb ntawm ib leeg, tus mob hu ua syngenesious.

Thaum cov filaments sib sau ua ke ntau ntau tab sis cov anthers dawb lub stamens tau hais tias?

Kev sib xyaw ntawm stamens ntawm ib leeg hu ua cohesion of stamens. Cohesion yog peb hom; adelphi, syngenesious thiab synandrous. Nyob rau hauv androecium, anthers yog dawb, filaments yog fused thiab cov ntaub ntawv mus rau hauv bundles yog hu ua adelphi.

Tus mob hu ua li cas thaum filaments fused nrog petals?

Epipetalous yog hais txog qhov xwm txheej uas stamens fused nrog petals. - Lub androecium ntawm syngenesious yog ib qho ntawm tsev neeg Asteraceae qhov twg cov anthers fused tab sis cov filaments yog dawb. - Nws yog ib qho xwm txheej hais txog kev sib sau ntawm stamens fused ntawm anthers.

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