By organism › Green plants › Asteraceae › Iva

Observationobservedreview summarynegativemeasured

Claim · model-written summary

Marsh elder is relatively intolerant of flooding.

Taxon: Marsh elderIvae0
Outcome: relatively intolerant to floodinge0

Verbatim

e0
“Marsh elder is a hardy shrub that is relatively intolerant to flooding but has a relative tolerance to low soil salinity.”
✓ located verbatim in the source · abstract, characters 528–649

Title

Biological Flora of Coastal Salt Marshes: Iva frutescens L.

Richard Stalter; Robert I. Lonard Journal of Coastal Research 2024. doi:10.2112/jcoastres-d-23a-00013.1

Other claims from this paper (8)

Observation Iva frutescens ranges from Nova Scotia to Florida and along the Gulf to central Texas.
Observation Iva frutescens typically occupies the upper tidal salt marsh ecotone.
Observation Marsh elder tolerates low soil salinity relatively well.
Observation Iva frutescens recovers quickly after cutting.
Observation Iva frutescens recovers quickly after fire.
Observation Iva frutescens may block Phragmites australis invasion into reconstructed marshes.
Observation Borrichia frutescens and Iva frutescens show associational resistance.
Association Gall-midge density in marsh elder stems is lower with Borrichia frutescens present.

Observationobservedreview summarypositivemeasured

Claim · model-written summary

Marsh elder tolerates low soil salinity relatively well.

Taxon: Marsh elderIvae0
Outcome: relative tolerance to low soil salinitye0

Verbatim

e0
“Marsh elder is a hardy shrub that is relatively intolerant to flooding but has a relative tolerance to low soil salinity.”
✓ located verbatim in the source · abstract, characters 528–649

Title

Biological Flora of Coastal Salt Marshes: Iva frutescens L.

Richard Stalter; Robert I. Lonard Journal of Coastal Research 2024. doi:10.2112/jcoastres-d-23a-00013.1

Other claims from this paper (8)

Observation Iva frutescens ranges from Nova Scotia to Florida and along the Gulf to central Texas.
Observation Iva frutescens typically occupies the upper tidal salt marsh ecotone.
Observation Marsh elder is relatively intolerant of flooding.
Observation Iva frutescens recovers quickly after cutting.
Observation Iva frutescens recovers quickly after fire.
Observation Iva frutescens may block Phragmites australis invasion into reconstructed marshes.
Observation Borrichia frutescens and Iva frutescens show associational resistance.
Association Gall-midge density in marsh elder stems is lower with Borrichia frutescens present.

Associationobservedreview summarypositivemeasured

Claim · model-written summary

Gall-midge density in marsh elder stems is lower with Borrichia frutescens present.

Taxon: marsh elderIvae0
Interactor: Gall-midgee0pest
Second interactor: B. frutescensBorrichia frutescense0other
Outcome: Gall-midge densities in marsh elder stemse0
Direction: reducede0

Verbatim

e0
“Gall-midge densities in marsh elder stems are reduced when I. frutescens occurs with a second gall-forming host, B. frutescens.”
✓ located verbatim in the source · abstract, characters 911–1038

Title

Biological Flora of Coastal Salt Marshes: Iva frutescens L.

Richard Stalter; Robert I. Lonard Journal of Coastal Research 2024. doi:10.2112/jcoastres-d-23a-00013.1

Other claims from this paper (8)

Observation Iva frutescens ranges from Nova Scotia to Florida and along the Gulf to central Texas.
Observation Iva frutescens typically occupies the upper tidal salt marsh ecotone.
Observation Marsh elder is relatively intolerant of flooding.
Observation Marsh elder tolerates low soil salinity relatively well.
Observation Iva frutescens recovers quickly after cutting.
Observation Iva frutescens recovers quickly after fire.
Observation Iva frutescens may block Phragmites australis invasion into reconstructed marshes.
Observation Borrichia frutescens and Iva frutescens show associational resistance.

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Marshelder achene length increased significantly over time.

Taxon: marshelderIvae0
Organ / stage: achenee1
Outcome: achene lengthe1
Direction: increasee1
Setting: over timee1

Verbatim

e0
“marshelder (Iva annua var. macrocarpa [S.F. Blake] R.C. Jackson)”
✓ located verbatim in the source · abstract, characters 86–150

e1
“achene length and width increase significantly over time (length: p-value<0.0001, b=-126.04, r2=0.1037, width: p-value<0.0001, b=-230.85, r2=0.0964)”
✓ located verbatim in the source · abstract, characters 299–447

Title

Patterns of Variation in the Seed Morphology of Iva annua var. macrocarpa, an Extinct North American Domesticate

Andrew W. Weiland; Kristen J. Gremillion Ethnobiology Letters 2018. doi:10.14237/ebl.9.2.2018.990

Other claims from this paper (6)

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Marshelder achene width increased significantly over time.

Taxon: marshelderIvae0
Organ / stage: achenee1
Outcome: widthe1
Direction: increasee1
Setting: over timee1

Verbatim

e0
“marshelder (Iva annua var. macrocarpa [S.F. Blake] R.C. Jackson)”
✓ located verbatim in the source · abstract, characters 86–150

e1
“achene length and width increase significantly over time (length: p-value<0.0001, b=-126.04, r2=0.1037, width: p-value<0.0001, b=-230.85, r2=0.0964)”
✓ located verbatim in the source · abstract, characters 299–447

Title

Patterns of Variation in the Seed Morphology of Iva annua var. macrocarpa, an Extinct North American Domesticate

Andrew W. Weiland; Kristen J. Gremillion Ethnobiology Letters 2018. doi:10.14237/ebl.9.2.2018.990

Other claims from this paper (6)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Regional variation in marshelder achenes exceeded temporal variation.

Taxon: marshelderIvae0
Outcome: more variatione1
Setting: regionse1

Verbatim

e0
“marshelder (Iva annua var. macrocarpa [S.F. Blake] R.C. Jackson)”
✓ located verbatim in the source · abstract, characters 86–150

e1
“overall, regions tend to show more variation”
✓ located verbatim in the source · abstract, characters 449–493

Title

Patterns of Variation in the Seed Morphology of Iva annua var. macrocarpa, an Extinct North American Domesticate

Andrew W. Weiland; Kristen J. Gremillion Ethnobiology Letters 2018. doi:10.14237/ebl.9.2.2018.990

Other claims from this paper (6)

Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

Domesticated marshelder showed high phenotypic variation that may reflect introgression with wild stands.

Taxon: marshelderIvae0
Outcome: coefficient of variatione0
Qualifier: introgression with wild standse0

Verbatim

e0
“domesticated marshelder as measured by coefficient of variation may be a result of introgression with wild stands”
✓ located verbatim in the source · abstract, characters 542–655

Title

Patterns of Variation in the Seed Morphology of Iva annua var. macrocarpa, an Extinct North American Domesticate

Andrew W. Weiland; Kristen J. Gremillion Ethnobiology Letters 2018. doi:10.14237/ebl.9.2.2018.990

Other claims from this paper (6)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Archaeological marshelder samples formed regional homogeneous subsets with some overlap, interpreted as a cline.

Taxon: marshelderIvae0
Outcome: homogeneous subsetse1
Qualifier: with some overlape1
Setting: regione1

Verbatim

e0
“marshelder (Iva annua var. macrocarpa [S.F. Blake] R.C. Jackson)”
✓ located verbatim in the source · abstract, characters 86–150

e1
“archaeological site samples resulted in homogeneous subsets which correspond to region with some overlap, interpreted as a cline”
✓ located verbatim in the source · abstract, characters 693–821

Title

Patterns of Variation in the Seed Morphology of Iva annua var. macrocarpa, an Extinct North American Domesticate

Andrew W. Weiland; Kristen J. Gremillion Ethnobiology Letters 2018. doi:10.14237/ebl.9.2.2018.990

Other claims from this paper (6)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Wild-sized achenes were infrequent in archaeological marshelder samples from eastern Kentucky.

Taxon: marshelderIvae0
Outcome: low numbers of wild-sized achenese0
Setting: eastern Kentuckye0

Verbatim

e0
“low numbers of wild-sized achenes in archaeological marshelder samples of eastern Kentucky”
✓ located verbatim in the source · abstract, characters 845–935

Title

Patterns of Variation in the Seed Morphology of Iva annua var. macrocarpa, an Extinct North American Domesticate

Andrew W. Weiland; Kristen J. Gremillion Ethnobiology Letters 2018. doi:10.14237/ebl.9.2.2018.990

Other claims from this paper (6)

Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

The results support human introduction of domesticated marshelder into eastern Kentucky.

Taxon: marshelderIvae0
Outcome: human introduction of domesticated marsheldere1
Setting: eastern Kentuckye2

Verbatim

e0
“archaeological marshelder samples of eastern Kentucky”
✓ located verbatim in the source · abstract, characters 882–935

e1
“support human introduction of domesticated marshelder into this region”
✓ located verbatim in the source · abstract, characters 936–1006

e2
“eastern Kentucky”
✓ located verbatim in the source · abstract, characters 919–935

Title

Patterns of Variation in the Seed Morphology of Iva annua var. macrocarpa, an Extinct North American Domesticate

Andrew W. Weiland; Kristen J. Gremillion Ethnobiology Letters 2018. doi:10.14237/ebl.9.2.2018.990

Other claims from this paper (6)

Iva 24 claims

24 claims