Kev Kawm Ntawv:, Kev kawm theem nrab thiab cov tsev kawm ntawv
Lub ntsiab hom inflorescences
Tag nrho angiosperms muaj paj. Qhov no yog kev hloov pauv. Thiab ib co nroj tsuag rau ib lub paj, thiab ib txhia - tag nrho inflorescences.
Dab tsi yog qhov inflorescence?
Nws tsis cais cov mutated kev khiav, tab sis tag nrho ntawm lub system, uas yog ces ua txiv hmab txiv ntoo nrog noob. Inflorescences feem ntau yog delimited los ntawm vegetative kabmob ntawm cov nroj tsuag.
Kev faib tawm ntawm inflorescence
Lawv muaj peev xwm muab cais ua raws li muaj cov nplooj ntawm lawv, nyob ntawm seb cov degree ntawm branching, qhov kev taw qhia ntawm qhib lub paj, hom ntawm lawv txoj kev loj hlob thiab hom apical meristems.
Hom ntawm inflorescences nyob ntawm seb cov degree ntawm branching
Qhov no yog qhov sib txawv tshaj plaws. Cov hom mob ntawm cov kab mob no tau muab cais tawm hauv hoob kawm biology hauv tsev kawm ntawv.
Raws li qhov sib faib no, inflorescences yuav, ua ntej ntawm tag nrho, yooj yim thiab complex.
Yooj yim thiab txoj kev loj hlob
Yooj yim yog cov uas muaj ib lub paj raws li lub ntsiab ntawm txoj kab.
Tiag tiag yog cov nyob rau hauv branching yog los ntawm peb txiav txim ntawm qhov ntau thiab ntau dua.
Yog xav paub meej txog txhua pawg ntawm inflorescences, cov lus hauv qab no yog qhia:
| Yooj yim | Hom | Kev piav qhia |
| Txhuam | Paj kuj nyob hauv tus ciam teb tag nrho. Lawv cog rau ntawm pedicels. | |
| Kolos | Paj kuj ntau dua los yog tsawg dua uniformly loj hlob nyob rau tag nrho ntev ntawm lub axis. Txawm li cas los xij, qhov no tshwm sim ntawm qhov txhuam ntawm qhov paj ntawd tsis muaj pedicels. | |
| Shield | Qhov no yog ib hom txhuam. Nyob rau hauv lub scutellum, lub sab pedicels ntev, thiaj li hais tias tag nrho cov paj kab li nyob rau hauv ib tug kab rov tav. | |
| Kaus | Qhov no, zoo li ntau lwm yam yooj yim ntawm inflorescences, yog hloov txhuam. Nws cov axis muaj zog, cov pedicels tsis nyob raws li nws tag nrho ntev, tab sis tag nrho cov loj hlob los ntawm sab saum toj. Lawv muaj tib lub sijhawm, thiab lub paj yog ua rau hauv ib yam dab tsi zoo li lub kaus dome. | |
| Lub taub hau | Lub axis ntawm no inflorescence muaj ib tug clavate duab. Nws yog luv zog. Paj kuj nyob ntau dua los yog tsawg dua ntawm nws qhov ntev. Pedicels tsis tuaj. | |
| Khw laub | Qhov kawg ntawm lub axis ntawm xws li ib tug inflorescence yog zoo heev nthuav. Nws pauv mus rau hauv ib qho kev txaj rau ib tug xov tooj ntawm tightly kaw paj. | |
| Cob | Nws yog ib lub pob ntseg hloov kho nrog ib txoj kab tuab tuab heev. | |
| Complex | Whisk | Cov ceg ntoo. Lub degree ntawm branching txo mus rau sab saum toj ntawm lub axis. |
| Nrov nrov plig plawg | Ib tug hloov kho version ntawm yav dhau los hom ntawm inflorescence. Cov interstices ntawm lub ntsiab axis yog shortened. | |
| Mob Lub Siab | Raws li cov axis ntau los yog luv dua tusyaj sau cov pob ntseg yooj yim. | |
| Complex kaus | Nws yog tsim los ntawm ib pawg ntawm yooj yim umbrellas sau rau ntawm lub ntsiab axis. |
Yog li ntawd peb xyuas lub ntsiab hom inflorescences. Lawv txhua tus yuav tsum paub. Tam sim no cia peb tham txog cov nroj tsuag, uas yog tsim nyog rau cov neeg los yog lwm cov paj ntoo.
Cov nroj tsuag twg muaj inflorescences?
Cia peb saib cov hom nroj tsuag uas muaj cov paj ntoo uas muaj saum toj no.
Piv txwv li, nyob rau hauv xws nroj tsuag, xws li primrose caij nplooj ntoos hlav, hom inflorescence kaus nyob rau hauv cov pob kws - cob.
Yog xav paub ntxiv, cia saib lub rooj.
| Hom Inflorescences | Nroj tsuag piv txwv |
| Txhuam | Tag nrho cov cruciferous, piv txwv li, cabbage, turnips, watercress, tus tswv yug yaj lub hnab |
| Kolos | Lyubka, plantain, verbena, sedge |
| Shield | Pear |
| Kaus | Ginseng, caij nplooj ntoos hlav primrose, qej, dos |
| Lub taub hau | Clover |
| Khw laub | Ntau ntau xim, xws li paj noob hlis, ntes, thiab lwm yam. |
| Cob | Pob kws |
| Whisk | Lilac, Spirea |
| Nrov nrov plig plawg | Millennial, rowanberry |
| Mob Lub Siab | Nplej, hom qoob mog nyom, barley |
| Complex kaus | Parsley, carrots, dill |
Lwm hom kev qhia txog kev loj hlob
Nyob ntawm qhov muaj cov bracts rau ntawm qhov inflorescences, peb pawg yog qhov txawv:
- Ua Txhaum;
- Marriageous;
- Pem taub hau.
Lub inflorescence ntawm thawj pab pawg neeg yog devoid ntawm bracts. Qhov no muaj xws li cruciferous, thiab lwm yam nroj tsuag, piv txwv li, cov qos yaj ywm radish.
Bracteous inflorescence bracts muaj daim ntawv sib tw. Xws li muaj lilac, Cherry, Lily ntawm lub hav.
Fronoznye inflorescences muaj bracts nrog zoo tsim daim hlau. Cov no yog cov xws li cov nroj tsuag ua lus, fuchsia, violets, lwm yam.
Nyob ntawm seb ntawm hom kev loj hlob thiab kev coj ntawm kev qhib kev ntawm paj, qhov inflorescence tau muab faib ua ob pawg:
- Cymose;
- Txiav txim siab.
Thawj lub paj qhib rau hauv qhov kev taw qhia los ntawm sab saum toj ntawm lub axis rau nws lub hauv paus. Rau cov pab pawg ntawm kev ntaus nkauj muaj xws li cov nroj tsuag ua lungwort.
Hauv lub hom phiaj, lub paj nthuav dav nyob rau hauv cov kev taw qhia los ntawm lub hauv paus ntawm lub axis mus rau nws lub apex. Nws cog xws li, piv txwv li, tus tswv yug yaj lub hnab, thiab cov willow-tshuaj ntsuab, thiab lwm tus neeg.
Thiab kawg cais ntawm inflorescences - nyob ntawm seb hom apical meristems. Qhov no kev kawm ntaub nyob rau hauv lub saum toj ntawm lub tua. Raws li qhov kev cais no, muaj ob pab pawg ntawm cov kis las:
- Qhib;
- Kaw.
Qhov qhib sawv daws yog hu ua vague. Nyob rau hauv lawv, lub apical meristems nyob twj ywm nyob rau hauv lub xeev vegetative. Xws li inflorescences yog khoom los ntawm hyacinths, lilies ntawm Valley, thiab lwm tus neeg.
Kaw kaw tseem hu ua tshwj xeeb. Nyob rau hauv lawv apical paj yog tsim los ntawm apical meristems. Xws li, piv txwv li, muaj ib tug medlina, ib lub tswb.
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