Qhov txawv ntawm Capitulum thiab Hypanthodium yog dab tsi

Cov txheej txheem:

Qhov txawv ntawm Capitulum thiab Hypanthodium yog dab tsi
Qhov txawv ntawm Capitulum thiab Hypanthodium yog dab tsi

Video: Qhov txawv ntawm Capitulum thiab Hypanthodium yog dab tsi

Video: Qhov txawv ntawm Capitulum thiab Hypanthodium yog dab tsi
Video: Differences between Capitulum and Hypanthodium#handwrittennotes#botany#plantsandanimal 2024, Kaum ib hlis
Anonim

Qhov sib txawv tseem ceeb ntawm capitulum thiab hypanthodium yog tias capitulum yog racemose inflorescence thaum hypanthodium yog cymose inflorescence.

Inflorescence yog ib pawg ntawm cov paj ntawm lub qia. Racemose thiab cymose yog ob hom inflorescence. Inflorescences nyob rau sab ntawm lub paj axis ntawm racemose inflorescence. Cov paj axis tseem loj tuaj, thiab paj loj hlob hauv cov qauv acropetal. Capitulum yog ib hom racemose inflorescence. Nyob rau hauv cymose inflorescence, paj ua raws li qhov xaus ntawm lub paj axis, thiab lawv loj hlob nyob rau hauv ib tug basipetal qauv. Hypanthodium yog ib hom cymose inflorescence. Nyob rau hauv racemose inflorescence, lub ntsiab axis loj hlob indefinitely, thaum nyob rau hauv cymose inflorescence, lub ntsiab axis muaj txwv kev loj hlob.

Capitum yog dab tsi?

Capitulum yog ib hom racemose inflorescence. Nws qhia txog kev teeb tsa ntawm paj ntawm lub hauv paus ntawm floral axis. Nws yog ib qho piv txwv ntawm pseudanthium. Capitulum muaj xws li luv luv, compact pawg ntawm paj. Cov paj uas pom hauv txhua pawg yog hu ua florets. Capitula siv ntau hom ntawv; Yog li ntawd, cov florets tuaj yeem nyob rau sab me lossis sab loj. Qee qhov piv txwv ntawm florets tshwm rau ntawm sab me yog zaub paj, zaub paj, thiab clovers. Qee qhov piv txwv ntawm florets pom nyob rau sab loj yog daisies, sunflowers, thistles, thiab dandelions. Hauv capitulum, ntau txhiab paj tsim ib qho qauv. Capitula muaj ob hom florets li disc florets thiab ray florets. Disc florets nyob rau hauv qhov chaw, thiab lawv yog actinomorphic, thiab lub corolla fuses mus rau ib lub raj. Ray florets yog nyob rau hauv periphery; lawv yog zygomorphic, thiab lub corolla muaj ib lub lobe loj.

Capitulum vs Hypanthodium hauv Tabular Daim Ntawv
Capitulum vs Hypanthodium hauv Tabular Daim Ntawv

Daim duab 01: Capitulum Inflorescence

Capitula yog superficially indistinguishable ntawm ib lub paj vim lawv muaj ntau yam paj. Yog li ntawd, lawv muaj qhov txo qis kev ua me nyuam uas tuaj yeem ua haujlwm hauv pollination piv rau ib lub paj. Florets uas me dua tsis tshua pom tau vim cov kabmob xws li carpels thiab stamens tsis tuaj yeem cuam tshuam nrog ib tus neeg paj. Txawm li cas los xij, cov florets loj dua tuaj yeem pom tau tias yog ib lub paj txawm tias lawv fuse ua ke.

YHypanthodium yog dab tsi?

Hypanthodium yog ib lub paj cymose. Lub receptacle nyob rau hauv hom no yog ib tug hollow spherical-zoo li tus qauv nrog ib tug kab noj hniav nyob rau hauv. Nws yog tsim los ntawm fusion ntawm stems ntawm cymes nyob ze ib leeg. Cov khoom siv kheej kheej no yog kaw cov qauv nrog lub cev nqaij daim tawv uas muaj qhov qhib me me ntawm lub apex. Yog li ntawd, nws raug nthuav tawm rau sab nrauv. Cov paj me muaj nyob rau sab hauv ntawm qhov chaw txais khoom. Muaj peb hom paj txawv txawv: txiv neej, poj niam tsis muaj menyuam, thiab poj niam fertile paj.

Capitulum thiab Hypanthodium - Sib piv ntawm Sab
Capitulum thiab Hypanthodium - Sib piv ntawm Sab

Daim duab 02: Hypanthodium Inflorescence

Hypanthodium paj yog lub khob zoo li lub khob thiab muaj lub cev nqaij daim tawv. Cov paj no muaj cov kwj deg nqaim nrog qhov pores hauv ib kawg. Cov kwj dej yog lined los ntawm cov plaub hau zoo li cov qauv, thaum lub qhov hws yog npog hauv nplai. Internally, lub receptacles muaj txiv neej paj ntawm lub pores, thiab cov poj niam paj yog nyob rau hauv lub hauv paus cheeb tsam. Sterile paj tshwm sim ntawm ob hom. Piv txwv ntawm hypanthodium inflorescence yog nyob rau hauv genus Ficus ntawm tsev neeg Moraceae. Qee qhov piv txwv yog banyan, fig, thiab peepal.

Dab tsi zoo sib xws ntawm Capitulum thiab Hypanthodium?

  • Capitulum thiab hypanthodium yog hom inflorescences.
  • Ob leeg muaj cov khoom txais tos.

Qhov txawv ntawm Capitulum thiab Hypanthodium yog dab tsi?

Capitulum yog ib lub paj racemose, thaum hypanthodium yog ib lub paj cymose. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm capitulum thiab hypanthodium. Ntxiv mus, lub receptacle nyob rau hauv capitulum yog ib tug dav, flattened upright kem uas ua fleshy, thaum lub receptacle nyob rau hauv hypanthodium yog flask-puab thiab ua fleshy. Tsis tas li ntawd, lub voj voog ncig lub paj hu ua involucre tshwm sim ntawm lub hauv paus ntawm capitula thaum tsis muaj involucre hauv hypanthodia. Tsis tas li ntawd, capitulum muaj bisexual paj thaum hypanthodium muaj cov paj tsis sib xws nrog kev faib tawm txawv.

Cov hauv qab no infographic nthuav tawm qhov sib txawv ntawm capitulum thiab hypanthodium hauv daim ntawv tabular rau ib sab ntawm kev sib piv.

Summary – Capitulum vs Hypanthodium

Inflorescences yog ob hom racemose thiab cymose. Capitulum yog hom racemose, thaum hypanthodium yog hom cymose. Capitulum muaj luv luv, compact pawg ntawm paj. Lawv nyob ntawm lub hauv paus ntawm paj axis. Hypothandium muaj peb cymes thiab nyob rau hauv lub paj axis. Capitulum muaj ib tug dav, flattened receptacle, thiab hypanthodium muaj ib lub raj mis zoo li tus receptacle. Yog li, qhov no yog cov ntsiab lus ntawm qhov sib txawv ntawm capitulum thiab hypanthodium.

Pom zoo: