Dichanthelium acuminatum 13 claims

species · family Poaceae · green plant · NCBI Taxonomy ↗

Also written in claims: P. acuminatum — NCBI synonyms: Panicum acuminatum

3 spellings

Dichanthelium acuminatumMatt Lavin · CC BY-SA 2.0 · Wikimedia Commons ↗

13 claims

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Method / resourceobservedoriginal resultbasis n/a

Claim · model-written summary

A key to species in the complex was provided.

Taxon: D. acuminatumDichanthelium acuminatume0
Outcome: key to the speciese0

Not reportedComparatorValue

Verbatim

e0
“A key to the species in the D. acuminatum complex is provided.”
✓ located verbatim in the source · abstract, characters 285–347

Title

Taxonomic adjustments in the Dichanthelium acuminatum complex (Poaceae: Panicoideae)

Joseph K. Wipff Journal of the Botanical Research Institute of Texas 2022. doi:10.17348/jbrit.v16.i1.1217

Other claims from this paper (3)

Observation Panicum glutinoscabrum was transferred to Dichanthelium.
Observation P. olivaceum was transferred to Dichanthelium.
Observation P. thurowii was transferred to Dichanthelium.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Reduction of water potential to −0.3 MPa inhibited the germination timing of Panicum acuminatum by about 1.69 days to 50% germination.

Taxon: P. acuminatumDichanthelium acuminatume7
Treatment: −0.3 MPae7
Outcome: germination timinge7
Direction: inhibitede7
Value: ca 1.69 days difference to 50% germination [t50]e7

Not reportedComparator

Verbatim

e7
“Reduction of water potential to −0.3 MPa inhibited the germination timing for P. acuminatum (ca 1.69 days difference to 50% germination [t50])”
✓ located verbatim in the source · abstract, characters 920–1062

Title

Germination response of four Arabian desert grasses to low water potential

Arvind Bhatt; Paulo Roberto de Moura Souza‐Filho; David Gallacher Nordic Journal of Botany 2020. doi:10.1111/njb.02968

Other claims from this paper (13)

Observation Most studied grass species exhibited high germination (above 77%) at ψ = 0 MPa.
Observation Panicum turgidum showed 42% germination at ψ = 0 MPa.
Intervention effect Polypogon monspeliensis germination did not decline significantly from ψ = 0 to −0.3 MPa.
Intervention effect The other grass species germination declined from ψ = 0 to −0.3 MPa, averaging 75.8 to 60.5%.
Intervention effect At ψ = −0.6 MPa, seed germination was reduced to around 20%.
Intervention effect Germination of most grass species was unaffected by light.
Intervention effect Panicum divisum seeds that germinated in darkness were more tolerant to water deficit.
Intervention effect Reduction of water potential to −0.3 MPa inhibited the germination timing of Panicum divisum by about 1.56 days.
Intervention effect Reduction of water potential to −0.3 MPa inhibited the germination timing of Polypogon monspeliensis by about 1.14 days.
Observation Germination of Panicum acuminatum and Polypogon monspeliensis was similar after exposure to all osmotic potentials.
Intervention effect Panicum divisum germination fell from 85% at −0.6 MPa to 58% at −1.2 MPa.
Mechanism Reduced germination at low water potential indicates a dormancy induction in Panicum divisum.
Observation The grass species are adapted to survive in drier environments, as shown by their tolerance to low water potentials.

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Germination of Panicum acuminatum and Polypogon monspeliensis was similar after exposure to all osmotic potentials.

Taxon: P. acuminatumDichanthelium acuminatume5
Outcome: Germinatione5
Direction: similare5
Qualifier: after stressful exposure to all osmotic potentialse5
Comparator: P. monspeliensise5

Verbatim

e5
“Germination of P. acuminatum and P. monspeliensis were similar after stressful exposure to all osmotic potentials”
✓ located verbatim in the source · abstract, characters 1126–1239

Title

Germination response of four Arabian desert grasses to low water potential

Arvind Bhatt; Paulo Roberto de Moura Souza‐Filho; David Gallacher Nordic Journal of Botany 2020. doi:10.1111/njb.02968

Other claims from this paper (13)

Observation Most studied grass species exhibited high germination (above 77%) at ψ = 0 MPa.
Observation Panicum turgidum showed 42% germination at ψ = 0 MPa.
Intervention effect Polypogon monspeliensis germination did not decline significantly from ψ = 0 to −0.3 MPa.
Intervention effect The other grass species germination declined from ψ = 0 to −0.3 MPa, averaging 75.8 to 60.5%.
Intervention effect At ψ = −0.6 MPa, seed germination was reduced to around 20%.
Intervention effect Germination of most grass species was unaffected by light.
Intervention effect Panicum divisum seeds that germinated in darkness were more tolerant to water deficit.
Intervention effect Reduction of water potential to −0.3 MPa inhibited the germination timing of Panicum acuminatum by about 1.69 days to 50% germination.
Intervention effect Reduction of water potential to −0.3 MPa inhibited the germination timing of Panicum divisum by about 1.56 days.
Intervention effect Reduction of water potential to −0.3 MPa inhibited the germination timing of Polypogon monspeliensis by about 1.14 days.
Intervention effect Panicum divisum germination fell from 85% at −0.6 MPa to 58% at −1.2 MPa.
Mechanism Reduced germination at low water potential indicates a dormancy induction in Panicum divisum.
Observation The grass species are adapted to survive in drier environments, as shown by their tolerance to low water potentials.

Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

Dichanthelium acuminatum was found in South Korea and considered alien.

Taxon: Dichanthelium acuminatumDichanthelium acuminatume0
Outcome: were thought to be alien speciese0
Setting: Jeonju-si, Jeollabuk-do and Seogwipo-si, Jeju-doe0

Not reportedDirection

Verbatim

e0
“Dichanthelium acuminatum and Rottboellia cochinchinensis were found in Jeonju-si, Jeollabuk-do and Seogwipo-si, Jeju-do which were thought to be alien species.”
✓ located verbatim in the source · abstract, characters 135–294

Title

Three newly recorded plants of South Korea: Muhlenbergia ramosa (Hack. ex Matsum.) Makino, Dichanthelium acuminatum (Sw.) Gould & C.A. Clark and Rottboellia cochinchinensis (Lour.) Clayton

Su-Young Jung; Soo-Hyun Park; Hee-Suk Hwang; et al. Journal of Asia-Pacific Biodiversity 2013. doi:10.7229/jkn.2013.6.3.397

Other claims from this paper (5)

Observation Muhlenbergia ramosa was recorded at four localities in South Korea.
Observation Rottboellia cochinchinensis was found in South Korea and considered alien.
Observation Dichanthelium is newly reported as a genus in South Korea.
Observation Rottboellia is newly reported as a genus in South Korea.
Observation Muhlenbergia ramosa was considered native to Korea.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Morphology supported four of ten tested taxa.

Taxon: Dichanthelium acuminatumDichanthelium acuminatumt0
Outcome: support for four of the 10 taxa testede0
Value: four of the 10 taxae0

Verbatim

e0
“Multivariate statistical analysis of the morphological data provided support for four of the 10 taxa tested and additional support for two taxa considered as a single unit.”
✓ located verbatim in the source · abstract, characters 1381–1553

t0
“Dichanthelium acuminatum”
✓ located verbatim in the source · title, characters 43–67

Title

Systematic and Evolutionary Studies in the Dichanthelium acuminatum (Poaceae:Paniceae) Complex

Ricky Lee Hammer OakTrust (Texas A&M University Libraries) 2010

Other claims from this paper (8)

Observation Morphology additionally supported two taxa considered together.
Recommendation The status of the remaining six taxa requires further research.
Observation Molecular phylogeny supported four evolutionarily significant units.
Observation Molecular phylogeny supported four of five taxa recognized morphologically.
Observation The hybridization screen identified two putative hybrid specimens.
Observation GBSSI sequence and morphological analyses confirmed the putative specimens as hybrids.
Mechanism Hybridization provisionally explains intermediate morphological phenotypes.
Method / resource The study produced a taxonomic treatment and dichotomous key for ten subspecific taxa.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Morphology additionally supported two taxa considered together.

Taxon: Dichanthelium acuminatumDichanthelium acuminatumt0
Outcome: additional support for two taxa considered as a single unite0
Value: two taxae0

Verbatim

e0
“Multivariate statistical analysis of the morphological data provided support for four of the 10 taxa tested and additional support for two taxa considered as a single unit.”
✓ located verbatim in the source · abstract, characters 1381–1553

t0
“Dichanthelium acuminatum”
✓ located verbatim in the source · title, characters 43–67

Title

Systematic and Evolutionary Studies in the Dichanthelium acuminatum (Poaceae:Paniceae) Complex

Ricky Lee Hammer OakTrust (Texas A&M University Libraries) 2010

Other claims from this paper (8)

Observation Morphology supported four of ten tested taxa.
Recommendation The status of the remaining six taxa requires further research.
Observation Molecular phylogeny supported four evolutionarily significant units.
Observation Molecular phylogeny supported four of five taxa recognized morphologically.
Observation The hybridization screen identified two putative hybrid specimens.
Observation GBSSI sequence and morphological analyses confirmed the putative specimens as hybrids.
Mechanism Hybridization provisionally explains intermediate morphological phenotypes.
Method / resource The study produced a taxonomic treatment and dichotomous key for ten subspecific taxa.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The status of the remaining six taxa requires further research.

Taxon: Dichanthelium acuminatumDichanthelium acuminatumt0
Outcome: Further research is needed to determine the appropriate status of the remaining six taxae0
Value: six taxae0

Verbatim

e0
“Further research is needed to determine the appropriate status of the remaining six taxa of the ten taxa tested.”
✓ located verbatim in the source · abstract, characters 1554–1666

t0
“Dichanthelium acuminatum”
✓ located verbatim in the source · title, characters 43–67

Title

Systematic and Evolutionary Studies in the Dichanthelium acuminatum (Poaceae:Paniceae) Complex

Ricky Lee Hammer OakTrust (Texas A&M University Libraries) 2010

Other claims from this paper (8)

Observation Morphology supported four of ten tested taxa.
Observation Morphology additionally supported two taxa considered together.
Observation Molecular phylogeny supported four evolutionarily significant units.
Observation Molecular phylogeny supported four of five taxa recognized morphologically.
Observation The hybridization screen identified two putative hybrid specimens.
Observation GBSSI sequence and morphological analyses confirmed the putative specimens as hybrids.
Mechanism Hybridization provisionally explains intermediate morphological phenotypes.
Method / resource The study produced a taxonomic treatment and dichotomous key for ten subspecific taxa.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Molecular phylogeny supported four evolutionarily significant units.

Taxon: Dichanthelium acuminatumDichanthelium acuminatumt0
Outcome: four evolutionarily significant unitse0
Value: foure0

Verbatim

e0
“Molecular phylogenetic analysis provided support for recognizing four evolutionarily significant units and provided parallel support for four of the five taxa recognized from the morphological analysis.”
✓ located verbatim in the source · abstract, characters 1667–1869

t0
“Dichanthelium acuminatum”
✓ located verbatim in the source · title, characters 43–67

Title

Systematic and Evolutionary Studies in the Dichanthelium acuminatum (Poaceae:Paniceae) Complex

Ricky Lee Hammer OakTrust (Texas A&M University Libraries) 2010

Other claims from this paper (8)

Observation Morphology supported four of ten tested taxa.
Observation Morphology additionally supported two taxa considered together.
Recommendation The status of the remaining six taxa requires further research.
Observation Molecular phylogeny supported four of five taxa recognized morphologically.
Observation The hybridization screen identified two putative hybrid specimens.
Observation GBSSI sequence and morphological analyses confirmed the putative specimens as hybrids.
Mechanism Hybridization provisionally explains intermediate morphological phenotypes.
Method / resource The study produced a taxonomic treatment and dichotomous key for ten subspecific taxa.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Molecular phylogeny supported four of five taxa recognized morphologically.

Taxon: Dichanthelium acuminatumDichanthelium acuminatumt0
Outcome: support for four of the five taxa recognized from the morphological analysise0
Value: four of the five taxae0

Verbatim

e0
“Molecular phylogenetic analysis provided support for recognizing four evolutionarily significant units and provided parallel support for four of the five taxa recognized from the morphological analysis.”
✓ located verbatim in the source · abstract, characters 1667–1869

t0
“Dichanthelium acuminatum”
✓ located verbatim in the source · title, characters 43–67

Title

Systematic and Evolutionary Studies in the Dichanthelium acuminatum (Poaceae:Paniceae) Complex

Ricky Lee Hammer OakTrust (Texas A&M University Libraries) 2010

Other claims from this paper (8)

Observation Morphology supported four of ten tested taxa.
Observation Morphology additionally supported two taxa considered together.
Recommendation The status of the remaining six taxa requires further research.
Observation Molecular phylogeny supported four evolutionarily significant units.
Observation The hybridization screen identified two putative hybrid specimens.
Observation GBSSI sequence and morphological analyses confirmed the putative specimens as hybrids.
Mechanism Hybridization provisionally explains intermediate morphological phenotypes.
Method / resource The study produced a taxonomic treatment and dichotomous key for ten subspecific taxa.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The hybridization screen identified two putative hybrid specimens.

Taxon: Dichanthelium acuminatumDichanthelium acuminatumt0
Outcome: putative hybrid specimense0
Value: twoe0

Verbatim

e0
“The hybridization investigation identified two putative hybrid specimens, which were confirmed as hybrids with GBSSI sequence data and also with multivariate statistical analysis of morphological data to provide provisional evidence for the role of hybridization in producing specimens with intermediate morphological phenotypes.”
✓ located verbatim in the source · abstract, characters 1870–2199

t0
“Dichanthelium acuminatum”
✓ located verbatim in the source · title, characters 43–67

Title

Systematic and Evolutionary Studies in the Dichanthelium acuminatum (Poaceae:Paniceae) Complex

Ricky Lee Hammer OakTrust (Texas A&M University Libraries) 2010

Other claims from this paper (8)

Observation Morphology supported four of ten tested taxa.
Observation Morphology additionally supported two taxa considered together.
Recommendation The status of the remaining six taxa requires further research.
Observation Molecular phylogeny supported four evolutionarily significant units.
Observation Molecular phylogeny supported four of five taxa recognized morphologically.
Observation GBSSI sequence and morphological analyses confirmed the putative specimens as hybrids.
Mechanism Hybridization provisionally explains intermediate morphological phenotypes.
Method / resource The study produced a taxonomic treatment and dichotomous key for ten subspecific taxa.