Qhov sib txawv tseem ceeb ntawm polyandrous thiab polyadelphous androecium yog nyob rau hauv polyandrous androecium, filaments ntawm stamens yog dawb, thaum nyob rau hauv polyadelphous androecium, cov filaments ntawm stamens tau koom ua ke nyob rau hauv ntau pawg.
Stamen yog cov paj ntoos tsim cov kab mob ntawm cov paj. Stamen feem ntau muaj ib tug stalk hu ua lub filament thiab ib tug anther txuas rau lub filament. Lub anther muaj microsporangia. Ua ke, cov stamens hauv paj yog hu ua androecium. Lub androecium tej zaum yuav muaj ob peb los yog ntau stamens. Hauv ntau hom nroj tsuag, androecium tsim ntau yam qauv. Qee cov qauv no yog qhov nyuaj heev. Polyandrous thiab polyadelphous androecium yog ob hom androecia tam sim no hauv cov nroj tsuag.
Polyandrous Androecium yog dab tsi?
Polyandrous androecium yog ib hom androecium uas cov filaments ntawm stamens dawb. Ib qho piv txwv zoo ntawm polyandrous androecium yog Corchorus. Corchorus yog ib lub genus nrog ib ncig ntawm 40-100 hom paj ntoo hauv tsev neeg ntawm Malvaceae. Nws yog nyob rau thaj chaw sov thiab subtropical thoob plaws ntiaj teb. Lub genus Oceanopapaver yav dhau los ntawm qhov chaw tsis paub tseeb, tsis ntev los no tau ua ke nyob rau hauv cov genus Corchorus tshiab.
Daim duab 01: Polyandrous Androecium
Lub npe Oceanopapaver tau pom thawj zaug los ntawm Fabkis tus kws kho tsiaj Guillaumin hauv xyoo 1932. Txawm li cas los xij, lub genus Corchorus tau piav qhia thawj zaug los ntawm Linnaeus hauv nws txoj haujlwm zoo Hom Plantarum xyoo 1753. Cov nroj tsuag ntawm cov genus no siab thiab ib txwm muaj tshuaj ntsuab txhua xyoo. Lawv ncav cuag qhov siab ntawm 2-4m nrog tsuas yog ob peb sab ceg los yog tsis muaj ceg. Cov nplooj yog alternated, yooj yim, lanceolate, thiab 5 mus rau 15 cm ntev. Tsis tas li ntawd, cov nplooj muaj ib tug acuminate taub thiab ib tug finely serrated los yog lobed npoo. Cov paj yog me me (2-3 cm txoj kab uas hla). Lawv muaj xim daj nrog tsib petals. Tsis tas li ntawd, txiv hmab txiv ntoo yog ntau hom tshuaj ntsiav.
YPolyadelphous Androecium yog dab tsi?
Polyadelphous androecium yog ib hom androecium uas filaments ntawm stamens koom ua ke hauv ntau pawg. Txawm hais tias cov filaments tau koom ua ke hauv ntau pawg, cov anthers nyob dawb hauv polyadelphous androecium. Lub androecium ntawm Ricinus yog ib qho piv txwv zoo ntawm polyadelphous androecium. Nws yog ib tug monotypic genus. Ricinus communis yog tib hom. Ricinus communis tseem hu ua castor taum lossis castor roj cog. Nws yog ib hom ntawm perennial flowering nroj tsuag nyob rau hauv spurge tsev neeg Euphorbiaceae. Txawm hais tias cov tsiaj no yog cov neeg hauv paus txawm rau South-Eastern Mediterranean Basin, Eastern Africa, nws tau nthuav dav thoob plaws hauv cheeb tsam sov. Feem ntau, hom no yog cog raws li tsob ntoo ornamental.
Daim duab 02: Polyadelphous Androecium
Lub genus Citrus yog lwm qhov piv txwv zoo ntawm kev muaj polyadelpous androecium. Citrus yog ib tug genus muaj paj ntoo thiab shrubs nyob rau hauv tsev neeg rue, Rutaceae. Cov genus no suav nrog cov qoob loo xws li txiv kab ntxwv, txiv qaub, txiv kab ntxwv, pomelos thiab txiv qaub. Ntxiv mus, cov genus no yog nyob rau South Asia, East Asia, Southeast Asia, Melanesia, thiab Australia.
Dab tsi yog qhov zoo sib xws ntawm Polyandrous thiab Polyadelphous Androecium?
- Polyandrous thiab polyadelphous androecium yog ob hom androecia tam sim no hauv cov paj ntoo.
- Lawv yog ob hom txiv neej kev yug me nyuam ntawm paj.
- Anthers pub dawb hauv ob qho tib si androecia.
- Cov nroj tsuag uas muaj polyandrous thiab polyadelphous androecium loj hlob ob qho tib si hauv thaj chaw sov thiab subtropical.
Qhov txawv ntawm Polyandrous thiab Polyadelpous Androecium yog dab tsi?
Nyob hauv polyandrous androecium, filaments ntawm stamens yog dawb, thaum nyob rau hauv polyadelphous androecium, cov filaments ntawm stamens tau koom ua ke nyob rau hauv ob peb pawg. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm polyandrous thiab polyadelphous androecium. Tsis tas li ntawd, cov paj ntawm genus Corchorus muaj polyandrous androecium, thaum lub paj ntawm genera Ricinus thiab Citrus muaj polyadelphous androecium.
Cov hauv qab no infographic teev qhov sib txawv ntawm polyandrous thiab polyadelphous androecium nyob rau hauv daim ntawv tabular rau ib sab ntawm kev sib piv.
Summary – Polyandrous vs Polyadelphous Androecium
Stamen yog cov paj ntoos tsim cov kab mob ntawm cov paj. Stamens hauv paj tau sau ua ke hu ua androecium. Polyandrous thiab polyadelphous androecium yog ob hom androecia tam sim no hauv cov nroj tsuag. Filaments ntawm stamens yog dawb nyob rau hauv ib tug polyandrous androecium, thaum filaments ntawm stamens tau koom ua ke rau hauv ob peb pawg hauv polyadelphous androecium. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm polyandrous thiab polyadelphous androecium.
