Paper · 1997

Xerophytic adaptations of the Spanish broom (Spartium junceum L.) vegetative parts

Nada Bezić; Valerija Jurin

11
claims
22
verbatim quotes
0
citations
3
research areas
—
Not open access

Abstract

Vegetativni organi brnistre (Spartium junceum L.) ukazuju na niz morfolosko-anatomskih prilagodbi ove biljke na susne uvjete života. Vrlo male listove biljka odbacuje prije pocetka ljeta sto smanjenje transpiraciju i uvjetuje dobro podnosenje fizioloske suse. Siboliki oblik stabljiki prilagodba je s ciljem smanjenja citave povrsine nadzemnog dijela biljke, dok je korijen razgranat i dobro razvijen. Sve navedene morfoloske karakteristike ukazuju da se radi o tipicnoj eukserofitskoj biljci. Oblik i smjestaj listova odnosno stabljike omogucuje profilni položaj tih organa u svrhu sprjecavanja prekomjernog zagrijavanja. Bez obzira sto je list kratkotrajno u funkciji u anatomskom smislu uocavamo niz kseromorfnih osobina: ekvifacijalni tip lista, u potpunosti ne izdvojen palisadni od spužvastog parenhima, debljina kutikule s vostanim slojem, broj puci i njhova zatvorenost te izražene skleromorfne žile. Vrsni dio stabljike u potpunosti preuzima ulogu lista tako da uz puci posjeduje i palisadni parenhim. Takva građa omogucuje odvijanje procesa fotosinteze u zelenim sibolikim stabljikama u primarnoj građi kao i u prelazu iz primarne u sekundarnu građu. U dijelu stabljike u sekundarnoj građi ne odvija se asimilacija ali dominiraju stanice spremisnog parenhima ispunjene skrobnim zrncima. Cvrstocu stabljike daju citavom dužinom raspoređena sklerenhimska vlakna koja su razmjestena između meksih tkiva. Korijen osim spremisne uloge ima izraženu mehanicku funkciju u primarnoj i sekundarnoj građi. Cvrstocu omogucuju snopovi sklerenhimskih vlakana, odebljale traheje te pojava periderme u sekundarnoj građi krijena.

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Claims 11

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Small leaves are shed before summer, reducing transpiration and aiding drought tolerance.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
listovee0
Outcome
smanjenje transpiracijue0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“Vrlo male listove biljka odbacuje prije pocetka ljeta sto smanjenje transpiraciju i uvjetuje dobro podnosenje fizioloske suse.”

✓ located verbatim in the source · abstract, characters 133–259 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The twig-like stem shape reduces aboveground surface area.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
stabljikie0
Outcome
smanjenja citave povrsine nadzemnog dijela biljkee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“Siboliki oblik stabljiki prilagodba je s ciljem smanjenja citave povrsine nadzemnog dijela biljke”

✓ located verbatim in the source · abstract, characters 260–357 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The root is branched and well developed.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
korijene0
Outcome
razgranat i dobro razvijene0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“korijen razgranat i dobro razvijen”

✓ located verbatim in the source · abstract, characters 366–400 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Leaf and stem positioning helps prevent excessive heating.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
listova odnosno stabljikee0
Outcome
sprjecavanja prekomjernog zagrijavanjae0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“Oblik i smjestaj listova odnosno stabljike omogucuje profilni položaj tih organa u svrhu sprjecavanja prekomjernog zagrijavanja.”

✓ located verbatim in the source · abstract, characters 494–622 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaves display multiple xeromorphic anatomical features.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
listae0
Outcome
ekvifacijalni tip listae0
Qualifier
debljina kutikule s vostanim slojeme0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“ekvifacijalni tip lista, u potpunosti ne izdvojen palisadni od spužvastog parenhima, debljina kutikule s vostanim slojem, broj puci i njhova zatvorenost te izražene skleromorfne žile.”

✓ located verbatim in the source · abstract, characters 725–908 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The apical stem assumes leaf functions and has stomata and palisade parenchyma.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
Vrsni dio stabljikee0
Outcome
puci posjeduje i palisadni parenhime0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“Vrsni dio stabljike u potpunosti preuzima ulogu lista tako da uz puci posjeduje i palisadni parenhim.”

✓ located verbatim in the source · abstract, characters 909–1010 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Green twig-like stems photosynthesize in primary and transitional anatomy.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
zelenim sibolikim stabljikamae0
Outcome
odvijanje procesa fotosintezee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“odvijanje procesa fotosinteze u zelenim sibolikim stabljikama u primarnoj građi kao i u prelazu iz primarne u sekundarnu građu.”

✓ located verbatim in the source · abstract, characters 1033–1160 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Secondary stem tissue lacks assimilation but has starch-filled storage parenchyma.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
stabljikee0
Outcome
ne odvija se asimilacijae0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“U dijelu stabljike u sekundarnoj građi ne odvija se asimilacija ali dominiraju stanice spremisnog parenhima ispunjene skrobnim zrncima.”

✓ located verbatim in the source · abstract, characters 1161–1296 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Sclerenchyma fibres throughout the stem provide strength.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
stabljikee0
Outcome
Cvrstocu stabljikee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“Cvrstocu stabljike daju citavom dužinom raspoređena sklerenhimska vlakna”

✓ located verbatim in the source · abstract, characters 1297–1369 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Roots have storage and mechanical functions.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
Korijene0
Outcome
spremisne uloge ima izraženu mehanicku funkcijue0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“Korijen osim spremisne uloge ima izraženu mehanicku funkciju u primarnoj i sekundarnoj građi.”

✓ located verbatim in the source · abstract, characters 1411–1504 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Sclerenchyma bundles, thickened tracheae and periderm provide root strength.

Taxon
Spartium junceum L.Spartium junceumt0
Organ / stage
krijenae0
Outcome
snopovi sklerenhimskih vlakana, odebljale traheje te pojava peridermee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spartium junceum
Spartium junceum · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

t0

“Spartium junceum L.”

✓ located verbatim in the source · title, characters 45–64 · show in text ↑
e0

“Cvrstocu omogucuju snopovi sklerenhimskih vlakana, odebljale traheje te pojava periderme u sekundarnoj građi krijena.”

✓ located verbatim in the source · abstract, characters 1505–1622 · show in text ↑