Hymenophytaceae 17 claims

Claim · model-written summary

The pungent principle of the ether extract of Hymenophyton flabellatum was identified as 1-(2,4,6-trimethoxy-phenyl)-but-2(E)-en-1-one.

Taxon

Hymenophyton flabellatumHymenophyton flabellatume1

Outcome

structure has been identified as known compound, 1-(2,4,6-trimethoxy-phenyl)-but-2(E)-en-1-onee2

Verbatim

e1

“Ether extract of the New Zealand liverwort Hymenophyton flabellatum produced a pungent principle”

e2

“The structure has been identified as known compound, 1-(2,4,6-trimethoxy-phenyl)-but-2(E)-en-1-one by means of its spectral data”

Claim · model-written summary

Further isolation from Hymenophyton flabellatum afforded eight aromatic compounds.

Taxon

Hymenophyton flabellatumHymenophyton flabellatume1

Outcome

afforded eight aromatic compoundse3

Qualifier

whose structures were determined by spectral analysise3

Verbatim

e1

“Ether extract of the New Zealand liverwort Hymenophyton flabellatum produced a pungent principle”

e3

“Further isolation of the extract of this species afforded eight aromatic compounds whose structures were determined by spectral analysis”

Claim · model-written summary

The eight aromatic compounds from Hymenophyton flabellatum are biogenetically and structurally related to the pungent compound.

Taxon

Hymenophyton flabellatumHymenophyton flabellatume1

Outcome

biogenetically and structurally related to the pungent compounde4

Verbatim

e1

“Ether extract of the New Zealand liverwort Hymenophyton flabellatum produced a pungent principle”

e4

“Those compounds were shown to be biogenetically and structurally related to the pungent compound of this species”

Claim · model-written summary

Molecular data resolved four Hymenophyton taxa.

Taxon

HymenophytonHymenophytont0

Outcome

four taxa were recognisede0

Value

foure0

Verbatim

e0

“Based on the molecular data, four taxa were recognised, comprising (i) Australasian H. flabellatum (Labill.) Dumort. ex Trevis., (ii) Chilean specimens, (iii) New Zealand H. leptopodum (Hook.f. & Taylor) A.Evans samples and (iv) a Tasmanian H. leptopodum specimen, respectively.”

t0

“Hymenophyton”

Claim · model-written summary

The first three clades had high bootstrap support.

Taxon

HymenophytonHymenophytont0

Outcome

clades are supported by high bootstrap valuese0

Verbatim

e0

“The former three clades are supported by high bootstrap values”

t0

“Hymenophyton”

Claim · model-written summary

The Tasmanian specimen had ambiguous phylogenetic affinities.

Taxon

HymenophytonHymenophytont0

Outcome

affinities of the latter specimen remain ambiguouse0

Verbatim

e0

“the affinities of the latter specimen remain ambiguous in the calculated trn T- trn L and ITS2 trees”

t0

“Hymenophyton”

Claim · model-written summary

Sequence divergence supports recognition of H. pedicellatum as a distinct South American species.

Taxon

HymenophytonHymenophytont0

Outcome

distinct Hymenophyton taxone0

Setting

southern South Americae0

Verbatim

e0

“The observed sequence divergence supports the existence of a distinct Hymenophyton taxon in southern South America, delimitated from H. flabellatum and H. leptopodum on species level: H. pedicellatum Steph.”

t0

“Hymenophyton”

Claim · model-written summary

Hymenophyton has a basically palaeoaustral distribution.

Taxon

HymenophytonHymenophytont0

Outcome

basically palaeoaustral distribution patterne0

Verbatim

e0

“Hymenophyton taxa have a basically palaeoaustral distribution pattern.”

t0

“Hymenophyton”

Claim · model-written summary

Hymenophyton flabellatum produces 1-(2,4,6-trimethoxyphenyl)-but-2-en-1-one.

Taxon

Hymenophyton flabellatumHymenophyton flabellatume0

Outcome

1-(2,4,6-trimethoxyphenyl)-but-2-en-1-onee0

Setting

New Zealande0

Verbatim

e0

“The New Zealand fern Blechnum fluviatile and liverwort, Hymenophyton flabellatum produce the characteristic pungent compounds, (-)-polygodial, a sesquiterpene dialdehyde, and 1-(2,4,6-trimethoxyphenyl)-but-2-en-1-one, respectively”

Claim · model-written summary

Molecular data support at least two Hymenophyton species.

Taxon

H.flabellatumHymenophyton flabellatume0

Outcome

existence of at least two speciese0

Value

at least two speciese0

Verbatim

e0

“The molecular data strongly support the existence of at least two species, including H.flabellatum and H. leptopodum.”