Qhov txawv ntawm Tendrils thiab qaum

Cov txheej txheem:

Qhov txawv ntawm Tendrils thiab qaum
Qhov txawv ntawm Tendrils thiab qaum

Video: Qhov txawv ntawm Tendrils thiab qaum

Video: Qhov txawv ntawm Tendrils thiab qaum
Video: Qhov Txawv Ntawm Lus Hmoob Thiab Lus Mab Mawb 2024, Lub Xya hli ntuj
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Qhov sib txawv tseem ceeb ntawm tendrils thiab txha nraub qaum yog tias cov tendrils yog slender, coiling cog qhov chaw uas feem ntau hloov cov nplooj, nplooj nplooj los yog stems thaum qaum yog hloov kho nplooj, stipule los yog ib feem ntawm kev tawm uas muaj ib tug taw tes kawg.

Cov nroj tsuag muaj ntau hom qauv ntxiv rau nplooj, stems thiab cov hauv paus hniav. Tendrils thiab spines yog ob hom qauv. Lawv tuaj yeem hloov kho nplooj, nplooj nplooj, stipules, petioles lossis stems. Tendrils yog xov zoo li cov duab thaum spines muaj taw tes kawg. Tendrils txhawb nce cov nroj tsuag kom twine nyob ib ncig ntawm tus tswv tsev tsim nyog. Spines ua tiav cov haujlwm tiv thaiv thaum lawv tiv thaiv cov nroj tsuag los ntawm herbivores.

Tendrils yog dab tsi?

Tendril yog cov qia hloov, nplooj lossis petiole uas yog xov zoo li cov duab. Tendrils pab cov nroj tsuag kom twine nyob ib ncig ntawm tus tswv tsev tsim nyog. Lawv kuj tseem siv tau rau kev sib txuas thiab kev cuam tshuam ntawm tes. Lawv twine nyob ib ncig ntawm cov tswv tsev tsim nyog los ntawm kev hnov qhov kov. Hauv lwm lo lus, thaum tendrils tuaj rau hauv kev sib cuag nrog ib qho khoom rau ib lub sijhawm, lawv feem ntau curl ncig nws. Tendrils tsis muaj lamina lossis hniav. Tab sis, lawv muaj xim ntsuab, thiab lawv tuaj yeem ua photosynthesize. Ntxiv mus, tendrils yog rhiab heev rau cov tshuaj. Qhov no muaj peev xwm pab lawv nrhiav tau txoj kev loj hlob. Qe tendrils thiab nplooj tendrils pom nyob rau hauv ntau cov nroj tsuag nce toj.

Stem tendril yog ib qho kev hloov kho lossis tshwj xeeb qia lossis lub paj tawg. Kev loj hlob ntawm qia tendril tshwm sim los ntawm kev pab ntawm axillary bud. Stem tendrils cua lawv tus kheej nyob ib ncig ntawm cov khoom nyob rau hauv thiaj li yuav stabilize lub upward loj hlob nroj tsuag. Stem tendrils feem ntau pom nyob rau hauv passion txiv hmab txiv ntoo thiab txiv hmab txiv ntoo wine. Stem tendrils yuav branched los yog unbranched. Tej zaum yuav muaj nplai nplooj ntawm qia tendrils. Ntxiv mus, muaj plaub hom qia tendrils li axillary, extra-axillary, nplooj tawm tsam thiab paj paj los yog inflorescence tendrils.

Qhov txawv tseem ceeb - Tendrils vs Spine
Qhov txawv tseem ceeb - Tendrils vs Spine

Daim duab 01: Tendril

Nplooj tendril yog hom tendril uas tsim los ntawm tag nrho nplooj. Lawv tuaj yeem tsim los ntawm cov ntawv hloov kho, nplooj ntawv qhia, lossis nplooj stipules thiab. Hauv qee cov nroj tsuag xws li txiv laum huab xeeb thiab vicia, nplooj axis xaus rau hauv ib qho tendril thiaj li pab tau nce toj. Nyob rau hauv lub nplaim lily, nplooj nplooj ntawm cov hniav elongates mus rau hauv ib tug tendril rau kev txhawb nqa ntawm cov nroj tsuag. Ntxiv mus, nyob rau hauv lub vaj pea, lub davhlau ya nyob twg nplooj ntawv ntawm cov nplooj ntoos compound hloov mus rau hauv ib tug tendril, thaum nyob rau hauv ib co nroj tsuag, ob peb leaflets ntawm compound nplooj hloov mus rau hauv tendrils. Tsis tas li ntawd, nyob rau hauv ib co lwm yam nroj tsuag, nplooj petiole hloov mus rau hauv ib tug tendril rau lub hom phiaj ntawm clinging.

Dab tsi yog tus txha nraub qaum?

Ib tus txha nraub qaum yog ib qho nyuaj txuas nrog qhov kawg taw tes. Nws yog tsim rau lub hom phiaj tiv thaiv. Cov txha caj qaum feem ntau yog kev hloov kho ntawm nplooj. Tag nrho cov nplooj los yog ib feem ntawm nplooj hloov mus rau hauv tus txha nraub qaum. Muaj cov ntaub so ntswg hauv cov txha nraub qaum.

Qhov sib txawv ntawm Tendrils thiab qaum
Qhov sib txawv ntawm Tendrils thiab qaum

Daim duab 02: Spines

Nyob rau hauv prickly pear, feeb nplooj ntawm axillary bud hloov mus rau hauv spines. Nyob rau hauv hnub xibtes, nplooj apex hloov mus rau hauv ib tug txha nraub qaum. Hauv barberry, tag nrho-nplooj tau hloov mus rau hauv tus txha nraub qaum. Hauv cacti, spines yog cov nplooj hloov pauv tag nrho uas tiv thaiv cov nroj tsuag los ntawm herbivores. Tsis tas li ntawd, spines tuaj yeem tsim los ntawm nplooj nplooj thiab. Cov hauv paus hniav thiab buds kuj tuaj yeem hloov kho rau hauv qaum.

Dab tsi zoo sib xws ntawm Tendrils thiab qaum?

  • Tendrils thiab spines muaj nyob rau hauv cov nroj tsuag.
  • Lawv tuaj yeem tsim vim kev hloov pauv ntawm nplooj, cag, stems lossis buds.
  • Ob leeg yog cov qauv tseem ceeb ntawm cov nroj tsuag.

Qhov txawv ntawm Tendrils thiab qaum yog dab tsi?

Tendrils yog hloov stems, nplooj los yog petioles nrog ib tug threadlike zoo thaum txha nraub qaum yog hloov kho nplooj, stipule los yog ib feem ntawm nplooj nrog ib tug taw tes kawg. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm tendrils thiab qaum. Functionally, tendrils muaj txiaj ntsig zoo rau cov nroj tsuag nce toj, feem ntau yog rau kev txhawb nqa thiab txuas nrog, thaum spines tiv thaiv cov nroj tsuag los ntawm herbivores. Tsis tas li ntawd, qhov sib txawv ntxiv ntawm tendrils thiab txha nraub qaum yog qhov tendrils rhiab rau cov tshuaj thaum cov leeg tsis hnov mob rau cov tshuaj.

Qhov sib txawv ntawm Tendrils thiab qaum hauv daim ntawv Tabular
Qhov sib txawv ntawm Tendrils thiab qaum hauv daim ntawv Tabular

Summary – Tendrils vs Spine

Tendrils yog cov nplooj hloov pauv, nplooj ntawv, nplooj ntawv, lossis nplooj stipules uas tshwj xeeb rau thauj tog rau nkoj thiab txhawb nqa cov nroj tsuag nce toj. Nyob rau hauv sib piv, qaum yog ib tug txhav, nruj qauv nrog ib tug ntse taw tes uas muab kev tiv thaiv tawm tsam herbivores. Nws tuaj yeem yog nplooj hloov pauv, nplai, lossis stipule. Structurally, tendrils yog xov zoo li cov qauv thaum spines yog ntse pos zoo li. Yog li, qhov no qhia txog qhov sib txawv ntawm tendrils thiab qaum.

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