Arctium 43 claims

genus · family Asteraceae · green plant · NCBI Taxonomy ↗

Common name: burdocks — Also written in claims: burdocks · burdock — NCBI synonyms: Hypacanthium · Schmalhausenia

4 spellings

Arctium · picture of the genus (one of its species)Epukas · Public domain · Wikimedia Commons ↗

43 claims

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Observationobservedoriginal resultmeasured

Claim · model-written summary

Nine of approximately 4,000 greenhouse burdock plants showed chlorotic ringspots and leaf yellowing.

Taxon: burdocksArctiume0
Outcome: chlorotic ringspots and yellowing on the leavese0
Value: nine of approximately 4,000 plantse0
Setting: Daegu, South Koreae0

Verbatim

e0
“burdocks showing chlorotic ringspots and yellowing on the leaves were observed in nine of approximately 4,000 plants in a greenhouse in Daegu, South Korea.”
✓ located verbatim in the source · abstract, characters 156–311

Title

Arctium lappa is a new Natural Host of Tomato Spotted Wilt Virus in Korea

Bong Geun Oh; Jong-Sang Chung; Ho-Jong Ju; et al. Plant Disease 2024. doi:10.1094/pdis-12-23-2797-pdn

Other claims from this paper (10)

Observation Seven of nine symptomatic burdock samples tested positive only for TSWV.
Observation The complete TSWV-DG L segment was 8914 nt.
Observation The complete TSWV-DG M segment was 4773 nt.
Observation The complete TSWV-DG S segment was 2946 nt.
Observation Each TSWV-DG segment had maximum nucleotide identity of 99.5% with corresponding water dropwort isolates.
Intervention effect Mechanical TSWV-DG inoculation caused chlorotic spots and yellowing on systemic A. lappa leaves.
Intervention effect Mechanical TSWV-DG inoculation caused chlorotic spots and mosaic patterns on N. benthamiana leaves.
Observation Mock-inoculated A. lappa and N. benthamiana remained symptomless.
Observation TSWV presence in inoculated leaves was confirmed by immunostrip and RT-PCR.
Observation This is the first report of TSWV infecting burdock in South Korea.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Second-year plants accumulated more catechins.

Taxon: ArctiumArctiumt0
Outcome: catechinse0
Direction: moree0
Comparator: first year plantse0

Verbatim

e0
“second year plants accumulate more catechins than first year plants”
✓ located verbatim in the source · abstract, characters 632–699

t0
“Arctium”
✓ located verbatim in the source · title, characters 64–71

Title

Polyphenolic compounds and ascorbic acid of plants of the genus Arctium L. introduced in the M. M. Hryshko National Botanical Garden

O. V. Sokol; D. B. Rakhmetov; N. I. Dzhurenko; et al. Plant varieties studying and protection 2023. doi:10.21498/2518-1017.19.4.2023.291224

Other claims from this paper (10)

Observation A. lappa leaves reached maximum catechins at budding.
Observation A. minus leaves reached maximum catechins at budding.
Observation First-year A. lappa leaves had 72.0 ± 0.4 leucoanthocyanins.
Observation First-year A. minus leaves had 660.0 ± 0.6 mg% leucoanthocyanins.
Observation First-year A. minus leaf blades had the most leucoanthocyanins.
Observation First-year A. minus petioles had the most anthocyanins.
Association Leaf flavonoids were related to air temperature.
Association Anthocyanins declined with increasing temperature.
Association Catechins increased as temperature decreased.
Observation Annual Arctium leaves had the highest ascorbic acid levels.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Leaf flavonoids were related to air temperature.

Taxon: ArctiumArctiumt0
Organ / stage: leavese0
Outcome: proportion of flavonoids in leavese0

Not reportedDirection

Verbatim

e0
“The proportion of flavonoids in leaves was found to be related to air temperature”
✓ located verbatim in the source · abstract, characters 1903–1984

t0
“Arctium”
✓ located verbatim in the source · title, characters 64–71

Title

Polyphenolic compounds and ascorbic acid of plants of the genus Arctium L. introduced in the M. M. Hryshko National Botanical Garden

O. V. Sokol; D. B. Rakhmetov; N. I. Dzhurenko; et al. Plant varieties studying and protection 2023. doi:10.21498/2518-1017.19.4.2023.291224

Other claims from this paper (10)

Observation Second-year plants accumulated more catechins.
Observation A. lappa leaves reached maximum catechins at budding.
Observation A. minus leaves reached maximum catechins at budding.
Observation First-year A. lappa leaves had 72.0 ± 0.4 leucoanthocyanins.
Observation First-year A. minus leaves had 660.0 ± 0.6 mg% leucoanthocyanins.
Observation First-year A. minus leaf blades had the most leucoanthocyanins.
Observation First-year A. minus petioles had the most anthocyanins.
Association Anthocyanins declined with increasing temperature.
Association Catechins increased as temperature decreased.
Observation Annual Arctium leaves had the highest ascorbic acid levels.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Anthocyanins declined with increasing temperature.

Taxon: ArctiumArctiumt0
Outcome: content of anthocyaninse0
Direction: decreasee0

Not reportedOrgan / stageSetting

Verbatim

e0
“An increase in temperature leads to a decrease in the content of anthocyanins”
✓ located verbatim in the source · abstract, characters 1986–2063

t0
“Arctium”
✓ located verbatim in the source · title, characters 64–71

Title

Polyphenolic compounds and ascorbic acid of plants of the genus Arctium L. introduced in the M. M. Hryshko National Botanical Garden

O. V. Sokol; D. B. Rakhmetov; N. I. Dzhurenko; et al. Plant varieties studying and protection 2023. doi:10.21498/2518-1017.19.4.2023.291224

Other claims from this paper (10)

Observation Second-year plants accumulated more catechins.
Observation A. lappa leaves reached maximum catechins at budding.
Observation A. minus leaves reached maximum catechins at budding.
Observation First-year A. lappa leaves had 72.0 ± 0.4 leucoanthocyanins.
Observation First-year A. minus leaves had 660.0 ± 0.6 mg% leucoanthocyanins.
Observation First-year A. minus leaf blades had the most leucoanthocyanins.
Observation First-year A. minus petioles had the most anthocyanins.
Association Leaf flavonoids were related to air temperature.
Association Catechins increased as temperature decreased.
Observation Annual Arctium leaves had the highest ascorbic acid levels.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Catechins increased as temperature decreased.

Taxon: ArctiumArctiumt0
Outcome: catechinse0
Direction: increasee0

Not reportedOrgan / stage

Verbatim

e0
“an increase in catechins occurs due to a decrease in temperature”
✓ located verbatim in the source · abstract, characters 2071–2135

t0
“Arctium”
✓ located verbatim in the source · title, characters 64–71

Title

Polyphenolic compounds and ascorbic acid of plants of the genus Arctium L. introduced in the M. M. Hryshko National Botanical Garden

O. V. Sokol; D. B. Rakhmetov; N. I. Dzhurenko; et al. Plant varieties studying and protection 2023. doi:10.21498/2518-1017.19.4.2023.291224

Other claims from this paper (10)

Observation Second-year plants accumulated more catechins.
Observation A. lappa leaves reached maximum catechins at budding.
Observation A. minus leaves reached maximum catechins at budding.
Observation First-year A. lappa leaves had 72.0 ± 0.4 leucoanthocyanins.
Observation First-year A. minus leaves had 660.0 ± 0.6 mg% leucoanthocyanins.
Observation First-year A. minus leaf blades had the most leucoanthocyanins.
Observation First-year A. minus petioles had the most anthocyanins.
Association Leaf flavonoids were related to air temperature.
Association Anthocyanins declined with increasing temperature.
Observation Annual Arctium leaves had the highest ascorbic acid levels.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Annual Arctium leaves had the highest ascorbic acid levels.

Taxon: ArctiumArctiume0
Organ / stage: leaf platese0
Outcome: levels of ascorbic acide0
Direction: higheste0

Verbatim

e0
“The leaf plates of annual plants belonging to the Arctium genus accumulate the highest levels of ascorbic acid”
✓ located verbatim in the source · abstract, characters 2137–2247

Title

Polyphenolic compounds and ascorbic acid of plants of the genus Arctium L. introduced in the M. M. Hryshko National Botanical Garden

O. V. Sokol; D. B. Rakhmetov; N. I. Dzhurenko; et al. Plant varieties studying and protection 2023. doi:10.21498/2518-1017.19.4.2023.291224

Other claims from this paper (10)

Observation Second-year plants accumulated more catechins.
Observation A. lappa leaves reached maximum catechins at budding.
Observation A. minus leaves reached maximum catechins at budding.
Observation First-year A. lappa leaves had 72.0 ± 0.4 leucoanthocyanins.
Observation First-year A. minus leaves had 660.0 ± 0.6 mg% leucoanthocyanins.
Observation First-year A. minus leaf blades had the most leucoanthocyanins.
Observation First-year A. minus petioles had the most anthocyanins.
Association Leaf flavonoids were related to air temperature.
Association Anthocyanins declined with increasing temperature.
Association Catechins increased as temperature decreased.

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Recognition of some shared species diverged significantly between administrative regions.

Taxon: Heracleum , Chaerophyllum , Arctium , and Campanula spp.Arctium CampanulaHeracleumChaerophyllume1
Outcome: recognition of some of the most important shared speciese1
Setting: different administrative regionse1

Verbatim

e1
“the recognition of some of the most important shared species ( Heracleum , Chaerophyllum , Arctium , and Campanula spp.) diverged significantly in different administrative regions”
✓ located verbatim in the source · abstract, characters 1640–1819

Title

Wild Plants Used as Vegetables by Transhumant People Around the Georgia–Turkey Border in the Western Lesser Caucasus

Ceren Kazancı; Soner Oruç; Marine Mosulishvili; et al. Acta Societatis Botanicorum Poloniae 2021. doi:10.5586/asbp.906

Other claims from this paper (11)

Observation 83 wild plant species from 23 families were documented as vegetables.
Observation 45 species were recorded in Georgia.
Observation 72 species were recorded in Turkey.
Observation One-third of the recorded wild plant species were shared on both sides of the border.
Observation 52 of 122 species-use combinations were shared on both sides of the border.
Observation Women and men mentioned almost the same number of species.
Observation Plant knowledge was not significantly correlated with age.
Observation No significant difference was found in the plant parts used between the two countries.
Observation The way people used plants as vegetables varied significantly across the border.
Observation The number of species used in common and shared vegetable plant knowledge was quite low.
Observation The most frequently cited and culturally important species did not differ significantly between the two countries.

Observationobservedoriginal resultbasis n/a

Claim · model-written summary

Arctium differs from other Asteraceae genera by the hooked apex of the involucral bracts.

Taxon: ArctiumArctiume2
Outcome: hooked apex of the involucral bractse2
Comparator: other genera of Asteraceaee2

Verbatim

t0
“Arctium tomentosum”
✓ located verbatim in the source · title, characters 0–18

e2
“Arctium differs from other genera of Asteraceae by the hooked apex of the involucral bracts”
✓ located verbatim in the source · abstract, characters 181–272

Title

Arctium tomentosum (Asteraceae): A new report of a native genus in the flora of Mongolia

Chuluunbat JAVZANDOLGOR; Shukherdorj BAASANMUNKH; Zagarjav TSEGMED; et al. Korean Journal of Plant Taxonomy 2021. doi:10.11110/kjpt.2021.51.4.391

Other claims from this paper (2)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Pollen is ellipsoidal in three species and rounded ellipsoidal in A. nemorosum.

Taxon: ArctiumArctiumt0
Organ / stage: pollen grainse0
Outcome: ellipsoidal ( A. lappa, A. minus, A. tomentosum ) to rounded-ellipsoidal ( A. nemorosum )e0

Verbatim

e0
“the shape of the pollen grains varies from ellipsoidal ( A. lappa, A. minus, A. tomentosum ) to rounded-ellipsoidal ( A. nemorosum ).”
✓ located verbatim in the source · abstract, characters 759–892

t0
“Arctium”
✓ located verbatim in the source · title, characters 71–78

Title

The ultrastructural features of pollens grains in species of the genus Arctium L. (Asteraceae Bercht. & J.Presl)

M.M. Hryshko National Botanical Garden, NAS of Ukraine; Sokol O.; Dzhurenko N.; et al. Visnyk of Lviv University Biological series 2019. doi:10.30970/vlubs.2019.80.08

Other claims from this paper (12)

Observation A. tomentosum and A. minus had the largest pollen grains.
Observation Studied pollen outlines were three lobed from the pole and broadly elliptical from the equator.
Observation Plicae were long with clear edges in A. lappa, A. nemorosum and A. minus.
Observation Plicae edges were poorly defined in A. tomentosum.
Observation A. lappa pollen had tuberculate sculpture.
Observation A. nemorosum and A. tomentosum pollen had spinose sculpture without perforations.
Observation A. minus pollen had spinose sculpture with basal perforations.
Observation Exine texture was intrareticulate in A. lappa, A. nemorosum and A. minus.
Observation Exine texture was maculate in A. tomentosum.
Observation Thorn bases were smallest in A. tomentosum and greatest in A. lappa.
Observation Thorn height was smallest in A. nemorosum and largest in A. tomentosum.
Recommendation The authors propose pollen features as additional species identification criteria.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Studied pollen outlines were three lobed from the pole and broadly elliptical from the equator.

Taxon: ArctiumArctiumt0
Organ / stage: pollene0
Outcome: three-lobed from the pole, broadly elliptical from the equatore0

Verbatim

e0
“The outline of the studied pollen species are three-lobed from the pole, broadly elliptical from the equator”
✓ located verbatim in the source · abstract, characters 978–1086

t0
“Arctium”
✓ located verbatim in the source · title, characters 71–78

Title

The ultrastructural features of pollens grains in species of the genus Arctium L. (Asteraceae Bercht. & J.Presl)

M.M. Hryshko National Botanical Garden, NAS of Ukraine; Sokol O.; Dzhurenko N.; et al. Visnyk of Lviv University Biological series 2019. doi:10.30970/vlubs.2019.80.08

Other claims from this paper (12)

Observation Pollen is ellipsoidal in three species and rounded ellipsoidal in A. nemorosum.
Observation A. tomentosum and A. minus had the largest pollen grains.
Observation Plicae were long with clear edges in A. lappa, A. nemorosum and A. minus.
Observation Plicae edges were poorly defined in A. tomentosum.
Observation A. lappa pollen had tuberculate sculpture.
Observation A. nemorosum and A. tomentosum pollen had spinose sculpture without perforations.
Observation A. minus pollen had spinose sculpture with basal perforations.
Observation Exine texture was intrareticulate in A. lappa, A. nemorosum and A. minus.
Observation Exine texture was maculate in A. tomentosum.
Observation Thorn bases were smallest in A. tomentosum and greatest in A. lappa.
Observation Thorn height was smallest in A. nemorosum and largest in A. tomentosum.
Recommendation The authors propose pollen features as additional species identification criteria.