Petermannia cirrosa 6 claims

species · family Petermanniaceae · green plant · NCBI Taxonomy ↗

Petermannia cirrosaGreg Tasney · CC BY-SA 4.0 · Wikimedia Commons ↗

6 claims

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Observationobservedoriginal resultmeasured

Claim · model-written summary

Microsporogenesis in Petermannia cirrosa is successive.

Taxon: Petermannia cirrosaPetermannia cirrosat0
Outcome: Microsporogenesis is successivee0

Verbatim

e0
“Microsporogenesis is successive”
✓ located verbatim in the source · abstract, characters 277–308

t0
“Petermannia cirrosa”
✓ located verbatim in the source · title, characters 41–60

Title

Embryology and possible relationships of Petermannia cirrosa (Petermanniaceae)

J. G. Conran Nordic Journal of Botany 1988. doi:10.1111/j.1756-1051.1988.tb01701.x

Other claims from this paper (5)

Observation The endothecium is spirally thickened and the tapetum is binucleate and amoeboid.
Observation Ovules are anatropous and crassinucellate.
Observation A primary parietal cell forms and divides.
Observation Megasporogenesis is of the Polygonum type.
Observation Petermanniaceae shows affinities with Dioscoreales and Geitonoplesiaceae but remains somewhat isolated.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The endothecium is spirally thickened and the tapetum is binucleate and amoeboid.

Taxon: Petermannia cirrosaPetermannia cirrosat0
Outcome: the endothecium is spirally thickened and the tapetum binucleate and amoeboide0

Verbatim

e0
“the endothecium is spirally thickened and the tapetum binucleate and amoeboid”
✓ located verbatim in the source · abstract, characters 310–387

t0
“Petermannia cirrosa”
✓ located verbatim in the source · title, characters 41–60

Title

Embryology and possible relationships of Petermannia cirrosa (Petermanniaceae)

J. G. Conran Nordic Journal of Botany 1988. doi:10.1111/j.1756-1051.1988.tb01701.x

Other claims from this paper (5)

Observation Microsporogenesis in Petermannia cirrosa is successive.
Observation Ovules are anatropous and crassinucellate.
Observation A primary parietal cell forms and divides.
Observation Megasporogenesis is of the Polygonum type.
Observation Petermanniaceae shows affinities with Dioscoreales and Geitonoplesiaceae but remains somewhat isolated.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Ovules are anatropous and crassinucellate.

Taxon: Petermannia cirrosaPetermannia cirrosat0
Outcome: The ovules are anatropous and crassinucellatee0

Verbatim

e0
“The ovules are anatropous and crassinucellate”
✓ located verbatim in the source · abstract, characters 389–434

t0
“Petermannia cirrosa”
✓ located verbatim in the source · title, characters 41–60

Title

Embryology and possible relationships of Petermannia cirrosa (Petermanniaceae)

J. G. Conran Nordic Journal of Botany 1988. doi:10.1111/j.1756-1051.1988.tb01701.x

Other claims from this paper (5)

Observation Microsporogenesis in Petermannia cirrosa is successive.
Observation The endothecium is spirally thickened and the tapetum is binucleate and amoeboid.
Observation A primary parietal cell forms and divides.
Observation Megasporogenesis is of the Polygonum type.
Observation Petermanniaceae shows affinities with Dioscoreales and Geitonoplesiaceae but remains somewhat isolated.

Observationobservedoriginal resultmeasured

Claim · model-written summary

A primary parietal cell forms and divides.

Taxon: Petermannia cirrosaPetermannia cirrosat0
Outcome: A primary parietal cell is formed and dividese0

Verbatim

e0
“A primary parietal cell is formed and divides”
✓ located verbatim in the source · abstract, characters 436–481

t0
“Petermannia cirrosa”
✓ located verbatim in the source · title, characters 41–60

Title

Embryology and possible relationships of Petermannia cirrosa (Petermanniaceae)

J. G. Conran Nordic Journal of Botany 1988. doi:10.1111/j.1756-1051.1988.tb01701.x

Other claims from this paper (5)

Observation Microsporogenesis in Petermannia cirrosa is successive.
Observation The endothecium is spirally thickened and the tapetum is binucleate and amoeboid.
Observation Ovules are anatropous and crassinucellate.
Observation Megasporogenesis is of the Polygonum type.
Observation Petermanniaceae shows affinities with Dioscoreales and Geitonoplesiaceae but remains somewhat isolated.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Megasporogenesis is of the Polygonum type.

Taxon: Petermannia cirrosaPetermannia cirrosat0
Outcome: Megasporogenesis is of the Polygonum typee0

Verbatim

e0
“Megasporogenesis is of the Polygonum type”
✓ located verbatim in the source · abstract, characters 483–524

t0
“Petermannia cirrosa”
✓ located verbatim in the source · title, characters 41–60

Title

Embryology and possible relationships of Petermannia cirrosa (Petermanniaceae)

J. G. Conran Nordic Journal of Botany 1988. doi:10.1111/j.1756-1051.1988.tb01701.x

Other claims from this paper (5)

Observation Microsporogenesis in Petermannia cirrosa is successive.
Observation The endothecium is spirally thickened and the tapetum is binucleate and amoeboid.
Observation Ovules are anatropous and crassinucellate.
Observation A primary parietal cell forms and divides.
Observation Petermanniaceae shows affinities with Dioscoreales and Geitonoplesiaceae but remains somewhat isolated.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Petermanniaceae shows affinities with Dioscoreales and Geitonoplesiaceae but remains somewhat isolated.

Taxon: Petermannia cirrosaPetermannia cirrosat0
Outcome: the Petermanniaceae show affinities with the remainder of the Dioscoreales, and also with the Geitonoplesiaceae (Asparagales) but remain somewhat isolatede0

Verbatim

e0
“the Petermanniaceae show affinities with the remainder of the Dioscoreales, and also with the Geitonoplesiaceae (Asparagales) but remain somewhat isolated”
✓ located verbatim in the source · abstract, characters 570–724

t0
“Petermannia cirrosa”
✓ located verbatim in the source · title, characters 41–60

Title

Embryology and possible relationships of Petermannia cirrosa (Petermanniaceae)

J. G. Conran Nordic Journal of Botany 1988. doi:10.1111/j.1756-1051.1988.tb01701.x

Other claims from this paper (5)

Observation Microsporogenesis in Petermannia cirrosa is successive.
Observation The endothecium is spirally thickened and the tapetum is binucleate and amoeboid.
Observation Ovules are anatropous and crassinucellate.
Observation A primary parietal cell forms and divides.
Observation Megasporogenesis is of the Polygonum type.