Onychium siliculosum 13 claims

species · family Pteridaceae · green plant · NCBI Taxonomy ↗

NCBI synonyms: Pteris siliculosa

3 spellings

13 claims

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Observationobservedoriginal resultbasis n/a

Claim · model-written summary

Onychium siliculosum is reported for the first time as an addition to the fern flora of Nainital Hills.

Taxon: Onychium siliculosumOnychium siliculosume0
Outcome: reported for the first time as additions to the fern flora of Nainital hillse0
Setting: Nainital hillse0

Verbatim

e0
“Onychium siliculosum (Desv.) C. Chr. (Family: Cryptogrammaceae) and Pteris wallichiana Agardh (Family: Pteridaceae) are being reported for the first time as additions to the fern flora of Nainital hills”
✓ located verbatim in the source · abstract, characters 0–202

Title

New record of ferns in the fern flora of Nainital Hills

Yash Pal Pangtey; Gokul Martolia; Lalit Tewari Indian Journal of Forestry 2010. doi:10.54207/bsmps1000-2010-tg065e

Other claims from this paper (1)

Observation Pteris wallichiana is reported for the first time as an addition to the fern flora of Nainital Hills.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Spores were tawny, tetrahedral and trilete.

Taxon: Onychium siliculosum(Desv.) C. Chr.Onychium siliculosumt0
Outcome: spores are tawny,tetrahedral,and triletee0

Verbatim

e0
“the spores are tawny,tetrahedral,and trilete”
✓ located verbatim in the source · abstract, characters 173–217

t0
“Onychium siliculosum(Desv.) C. Chr.”
✓ located verbatim in the source · title, characters 49–84

Title

Gametophytic Development and Apogamy of the Fern Onychium siliculosum(Desv.) C. Chr.

Dai Xiao Zhiwu yanjiu 2010

Other claims from this paper (11)

Observation A rhizoid formed before prothallial initial cells during germination.
Observation Germination was Vittaria type.
Observation Prothallial cells developed through filament and thallus stages into a prothallium.
Observation Prothallial development was Ceratopteris type.
Observation Branch rich filaments formed clustered prothallia.
Observation Antheridia formed on the prothallia.
Observation Archegonia did not form in repeated experiments.
Observation The species showed obligate apogamy.
Mechanism Apogamous embryos originated from divisions of gametophytic cells behind the prothallium apical notch.
Observation Apogamous buds differentiated before roots.
Observation Differentiated vessels connected apogamous buds and embryo roots, and gametophytes and sporophytes.

Observationobservedoriginal resultmeasured

Claim · model-written summary

A rhizoid formed before prothallial initial cells during germination.

Taxon: Onychium siliculosum(Desv.) C.Chr.Onychium siliculosumt0
Outcome: a rhizoid was produced firstly,then the prothallial initial cellse0

Verbatim

e0
“During the period of germination a rhizoid was produced firstly,then the prothallial initial cells”
✓ located verbatim in the source · abstract, characters 218–316

t0
“Onychium siliculosum(Desv.) C. Chr.”
✓ located verbatim in the source · title, characters 49–84

Title

Gametophytic Development and Apogamy of the Fern Onychium siliculosum(Desv.) C. Chr.

Dai Xiao Zhiwu yanjiu 2010

Other claims from this paper (11)

Observation Spores were tawny, tetrahedral and trilete.
Observation Germination was Vittaria type.
Observation Prothallial cells developed through filament and thallus stages into a prothallium.
Observation Prothallial development was Ceratopteris type.
Observation Branch rich filaments formed clustered prothallia.
Observation Antheridia formed on the prothallia.
Observation Archegonia did not form in repeated experiments.
Observation The species showed obligate apogamy.
Mechanism Apogamous embryos originated from divisions of gametophytic cells behind the prothallium apical notch.
Observation Apogamous buds differentiated before roots.
Observation Differentiated vessels connected apogamous buds and embryo roots, and gametophytes and sporophytes.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Germination was Vittaria type.

Taxon: Onychium siliculosum(Desv.) C. Chr.Onychium siliculosumt0
Outcome: Vittaria-typee0

Verbatim

e0
“The germination was of the Vittaria-type”
✓ located verbatim in the source · abstract, characters 317–357

t0
“Onychium siliculosum(Desv.) C. Chr.”
✓ located verbatim in the source · title, characters 49–84

Title

Gametophytic Development and Apogamy of the Fern Onychium siliculosum(Desv.) C. Chr.

Dai Xiao Zhiwu yanjiu 2010

Other claims from this paper (11)

Observation Spores were tawny, tetrahedral and trilete.
Observation A rhizoid formed before prothallial initial cells during germination.
Observation Prothallial cells developed through filament and thallus stages into a prothallium.
Observation Prothallial development was Ceratopteris type.
Observation Branch rich filaments formed clustered prothallia.
Observation Antheridia formed on the prothallia.
Observation Archegonia did not form in repeated experiments.
Observation The species showed obligate apogamy.
Mechanism Apogamous embryos originated from divisions of gametophytic cells behind the prothallium apical notch.
Observation Apogamous buds differentiated before roots.
Observation Differentiated vessels connected apogamous buds and embryo roots, and gametophytes and sporophytes.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Prothallial cells developed through filament and thallus stages into a prothallium.

Taxon: Onychium siliculosum(Desv.) C. Chr.Onychium siliculosumt0
Outcome: developed into prothalliume0

Verbatim

e0
“The prothallial cells,after experiencing the stages of filament and thallus,developed into prothallium”
✓ located verbatim in the source · abstract, characters 358–460

t0
“Onychium siliculosum(Desv.) C. Chr.”
✓ located verbatim in the source · title, characters 49–84

Title

Gametophytic Development and Apogamy of the Fern Onychium siliculosum(Desv.) C. Chr.

Dai Xiao Zhiwu yanjiu 2010

Other claims from this paper (11)

Observation Spores were tawny, tetrahedral and trilete.
Observation A rhizoid formed before prothallial initial cells during germination.
Observation Germination was Vittaria type.
Observation Prothallial development was Ceratopteris type.
Observation Branch rich filaments formed clustered prothallia.
Observation Antheridia formed on the prothallia.
Observation Archegonia did not form in repeated experiments.
Observation The species showed obligate apogamy.
Mechanism Apogamous embryos originated from divisions of gametophytic cells behind the prothallium apical notch.
Observation Apogamous buds differentiated before roots.
Observation Differentiated vessels connected apogamous buds and embryo roots, and gametophytes and sporophytes.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Prothallial development was Ceratopteris type.

Taxon: Onychium siliculosum(Desv.) C. Chr.Onychium siliculosumt0
Outcome: Ceratopteris-typee0

Verbatim

e0
“The pattern of the prothallial development was Ceratopteris-type”
✓ located verbatim in the source · abstract, characters 461–525

t0
“Onychium siliculosum(Desv.) C. Chr.”
✓ located verbatim in the source · title, characters 49–84

Title

Gametophytic Development and Apogamy of the Fern Onychium siliculosum(Desv.) C. Chr.

Dai Xiao Zhiwu yanjiu 2010

Other claims from this paper (11)

Observation Spores were tawny, tetrahedral and trilete.
Observation A rhizoid formed before prothallial initial cells during germination.
Observation Germination was Vittaria type.
Observation Prothallial cells developed through filament and thallus stages into a prothallium.
Observation Branch rich filaments formed clustered prothallia.
Observation Antheridia formed on the prothallia.
Observation Archegonia did not form in repeated experiments.
Observation The species showed obligate apogamy.
Mechanism Apogamous embryos originated from divisions of gametophytic cells behind the prothallium apical notch.
Observation Apogamous buds differentiated before roots.
Observation Differentiated vessels connected apogamous buds and embryo roots, and gametophytes and sporophytes.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Branch rich filaments formed clustered prothallia.

Taxon: Onychium siliculosum(Desv.) C. Chr.Onychium siliculosumt0
Outcome: cluster prothalliae0

Verbatim

e0
“The filaments were rich in branches and they formed cluster prothallia”
✓ located verbatim in the source · abstract, characters 526–596

t0
“Onychium siliculosum(Desv.) C. Chr.”
✓ located verbatim in the source · title, characters 49–84

Title

Gametophytic Development and Apogamy of the Fern Onychium siliculosum(Desv.) C. Chr.

Dai Xiao Zhiwu yanjiu 2010

Other claims from this paper (11)

Observation Spores were tawny, tetrahedral and trilete.
Observation A rhizoid formed before prothallial initial cells during germination.
Observation Germination was Vittaria type.
Observation Prothallial cells developed through filament and thallus stages into a prothallium.
Observation Prothallial development was Ceratopteris type.
Observation Antheridia formed on the prothallia.
Observation Archegonia did not form in repeated experiments.
Observation The species showed obligate apogamy.
Mechanism Apogamous embryos originated from divisions of gametophytic cells behind the prothallium apical notch.
Observation Apogamous buds differentiated before roots.
Observation Differentiated vessels connected apogamous buds and embryo roots, and gametophytes and sporophytes.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Antheridia formed on the prothallia.

Taxon: Onychium siliculosum(Desv.) C. Chr.Onychium siliculosumt0
Outcome: Antheridia were generated on the prothalliae0

Verbatim

e0
“Antheridia were generated on the prothallia”
✓ located verbatim in the source · abstract, characters 597–640

t0
“Onychium siliculosum(Desv.) C. Chr.”
✓ located verbatim in the source · title, characters 49–84

Title

Gametophytic Development and Apogamy of the Fern Onychium siliculosum(Desv.) C. Chr.

Dai Xiao Zhiwu yanjiu 2010

Other claims from this paper (11)

Observation Spores were tawny, tetrahedral and trilete.
Observation A rhizoid formed before prothallial initial cells during germination.
Observation Germination was Vittaria type.
Observation Prothallial cells developed through filament and thallus stages into a prothallium.
Observation Prothallial development was Ceratopteris type.
Observation Branch rich filaments formed clustered prothallia.
Observation Archegonia did not form in repeated experiments.
Observation The species showed obligate apogamy.
Mechanism Apogamous embryos originated from divisions of gametophytic cells behind the prothallium apical notch.
Observation Apogamous buds differentiated before roots.
Observation Differentiated vessels connected apogamous buds and embryo roots, and gametophytes and sporophytes.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Archegonia did not form in repeated experiments.

Taxon: Onychium siliculosum(Desv.) C. Chr.Onychium siliculosumt0
Outcome: no archegonia were formede0

Verbatim

e0
“but no archegonia were formed through repeated experiments”
✓ located verbatim in the source · abstract, characters 641–699

t0
“Onychium siliculosum(Desv.) C. Chr.”
✓ located verbatim in the source · title, characters 49–84

Title

Gametophytic Development and Apogamy of the Fern Onychium siliculosum(Desv.) C. Chr.

Dai Xiao Zhiwu yanjiu 2010

Other claims from this paper (11)

Observation Spores were tawny, tetrahedral and trilete.
Observation A rhizoid formed before prothallial initial cells during germination.
Observation Germination was Vittaria type.
Observation Prothallial cells developed through filament and thallus stages into a prothallium.
Observation Prothallial development was Ceratopteris type.
Observation Branch rich filaments formed clustered prothallia.
Observation Antheridia formed on the prothallia.
Observation The species showed obligate apogamy.
Mechanism Apogamous embryos originated from divisions of gametophytic cells behind the prothallium apical notch.
Observation Apogamous buds differentiated before roots.
Observation Differentiated vessels connected apogamous buds and embryo roots, and gametophytes and sporophytes.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The species showed obligate apogamy.

Taxon: Onychium siliculosum(Desv.) C. Chr.Onychium siliculosumt0
Outcome: obligate apogamye0

Verbatim

e0
“This species belonged to obligate apogamy”
✓ located verbatim in the source · abstract, characters 700–741

t0
“Onychium siliculosum(Desv.) C. Chr.”
✓ located verbatim in the source · title, characters 49–84

Title

Gametophytic Development and Apogamy of the Fern Onychium siliculosum(Desv.) C. Chr.

Dai Xiao Zhiwu yanjiu 2010

Other claims from this paper (11)

Observation Spores were tawny, tetrahedral and trilete.
Observation A rhizoid formed before prothallial initial cells during germination.
Observation Germination was Vittaria type.
Observation Prothallial cells developed through filament and thallus stages into a prothallium.
Observation Prothallial development was Ceratopteris type.
Observation Branch rich filaments formed clustered prothallia.
Observation Antheridia formed on the prothallia.
Observation Archegonia did not form in repeated experiments.
Mechanism Apogamous embryos originated from divisions of gametophytic cells behind the prothallium apical notch.
Observation Apogamous buds differentiated before roots.
Observation Differentiated vessels connected apogamous buds and embryo roots, and gametophytes and sporophytes.