By organism › Green plants › Menyanthaceae › Villarsia

Observationobservedoriginal resultmeasured

Claim · model-written summary

Villarsia formed a paraphyletic grade toward Nymphoides.

Taxon: VillarsiaVillarsiae0
Outcome: paraphyletic grade toward Nymphoidese0

Verbatim

e0
“The genus Villarsia comprised a paraphyletic grade toward Nymphoides”
✓ located verbatim in the source · abstract, characters 1093–1161

Title

Generic Circumscription in Menyanthaceae: A Phylogenetic Evaluation

Nicholas P. Tippery; Donald H. Les; Donald J. Padgett; et al. Systematic Botany 2008. doi:10.1600/036364408785679851

Other claims from this paper (11)

Observation Nuclear and chloroplast sequence datasets were largely congruent.
Observation Asterid outgroup analyses supported Menyanthaceae monophyly.
Observation Menyanthes trifoliata and Nephrophyllidium crista-galli formed a sister clade to the rest of the family.
Observation Most Nymphoides species formed one deeply nested clade, excluding N. exigua.
Observation Floating leaves appear derived within the family.
Observation A shallow Villarsia clade included six named species.
Observation South African Villarsia manningiana and V. capensis formed an isolated clade.
Observation A heterogeneous clade mixed Villarsia, Liparophyllum and Nymphoides taxa.
Recommendation Menyanthes, Nephrophyllidium and Nymphoides should retain their current circumscription.
Recommendation Nymphoides exigua should be restored to Villarsia.
Recommendation Villarsia should be subdivided, with its strict sense restricted to South African taxa.

Observationobservedoriginal resultmeasured

Claim · model-written summary

A shallow Villarsia clade included six named species.

Taxon: VillarsiaVillarsiae1
Outcome: shallowly nested cladee0

Verbatim

e0
“a shallowly nested clade containing V. albiflora , V. calthifolia , V. marchantii , V. parnassifolia , V. reniformis , and V. umbricola”
✓ located verbatim in the source · abstract, characters 1219–1354

e1
“The genus Villarsia comprised a paraphyletic grade toward Nymphoides”
✓ located verbatim in the source · abstract, characters 1093–1161

Title

Generic Circumscription in Menyanthaceae: A Phylogenetic Evaluation

Nicholas P. Tippery; Donald H. Les; Donald J. Padgett; et al. Systematic Botany 2008. doi:10.1600/036364408785679851

Other claims from this paper (11)

Observation Nuclear and chloroplast sequence datasets were largely congruent.
Observation Asterid outgroup analyses supported Menyanthaceae monophyly.
Observation Menyanthes trifoliata and Nephrophyllidium crista-galli formed a sister clade to the rest of the family.
Observation Most Nymphoides species formed one deeply nested clade, excluding N. exigua.
Observation Floating leaves appear derived within the family.
Observation Villarsia formed a paraphyletic grade toward Nymphoides.
Observation South African Villarsia manningiana and V. capensis formed an isolated clade.
Observation A heterogeneous clade mixed Villarsia, Liparophyllum and Nymphoides taxa.
Recommendation Menyanthes, Nephrophyllidium and Nymphoides should retain their current circumscription.
Recommendation Nymphoides exigua should be restored to Villarsia.
Recommendation Villarsia should be subdivided, with its strict sense restricted to South African taxa.

Observationobservedoriginal resultmeasured

Claim · model-written summary

South African Villarsia manningiana and V. capensis formed an isolated clade.

Taxon: VillarsiaVillarsiae1
Outcome: isolated South African cladee0
Setting: South Africane0

Verbatim

e0
“an isolated South African clade including V. manningiana and the type species, V. capensis”
✓ located verbatim in the source · abstract, characters 1361–1451

e1
“The genus Villarsia comprised a paraphyletic grade toward Nymphoides”
✓ located verbatim in the source · abstract, characters 1093–1161

Title

Generic Circumscription in Menyanthaceae: A Phylogenetic Evaluation

Nicholas P. Tippery; Donald H. Les; Donald J. Padgett; et al. Systematic Botany 2008. doi:10.1600/036364408785679851

Other claims from this paper (11)

Observation Nuclear and chloroplast sequence datasets were largely congruent.
Observation Asterid outgroup analyses supported Menyanthaceae monophyly.
Observation Menyanthes trifoliata and Nephrophyllidium crista-galli formed a sister clade to the rest of the family.
Observation Most Nymphoides species formed one deeply nested clade, excluding N. exigua.
Observation Floating leaves appear derived within the family.
Observation Villarsia formed a paraphyletic grade toward Nymphoides.
Observation A shallow Villarsia clade included six named species.
Observation A heterogeneous clade mixed Villarsia, Liparophyllum and Nymphoides taxa.
Recommendation Menyanthes, Nephrophyllidium and Nymphoides should retain their current circumscription.
Recommendation Nymphoides exigua should be restored to Villarsia.
Recommendation Villarsia should be subdivided, with its strict sense restricted to South African taxa.

Observationobservedoriginal resultmeasured

Claim · model-written summary

A heterogeneous clade mixed Villarsia, Liparophyllum and Nymphoides taxa.

Taxon: VillarsiaVillarsiae1
Outcome: heterogeneous clade of taxa from three generae0

Verbatim

e0
“a heterogeneous clade of taxa from three genera, including V. exaltata , V. lasiosperma , and V. latifolia , plus the anomalous species V. capitata , V. congestiflora , Liparophyllum gunnii , and Nymphoides exigua”
✓ located verbatim in the source · abstract, characters 1462–1675

e1
“The genus Villarsia comprised a paraphyletic grade toward Nymphoides”
✓ located verbatim in the source · abstract, characters 1093–1161

Title

Generic Circumscription in Menyanthaceae: A Phylogenetic Evaluation

Nicholas P. Tippery; Donald H. Les; Donald J. Padgett; et al. Systematic Botany 2008. doi:10.1600/036364408785679851

Other claims from this paper (11)

Observation Nuclear and chloroplast sequence datasets were largely congruent.
Observation Asterid outgroup analyses supported Menyanthaceae monophyly.
Observation Menyanthes trifoliata and Nephrophyllidium crista-galli formed a sister clade to the rest of the family.
Observation Most Nymphoides species formed one deeply nested clade, excluding N. exigua.
Observation Floating leaves appear derived within the family.
Observation Villarsia formed a paraphyletic grade toward Nymphoides.
Observation A shallow Villarsia clade included six named species.
Observation South African Villarsia manningiana and V. capensis formed an isolated clade.
Recommendation Menyanthes, Nephrophyllidium and Nymphoides should retain their current circumscription.
Recommendation Nymphoides exigua should be restored to Villarsia.
Recommendation Villarsia should be subdivided, with its strict sense restricted to South African taxa.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Villarsia should be subdivided, with its strict sense restricted to South African taxa.

Taxon: VillarsiaVillarsiae0
Outcome: subdivided among monophyletic lineagese0
Setting: South Africane0

Verbatim

e0
“Villarsia , however, eventually should be subdivided among monophyletic lineages, whereby in the strict sense Villarsia would contain only South African taxa”
✓ located verbatim in the source · abstract, characters 1885–2042

Title

Generic Circumscription in Menyanthaceae: A Phylogenetic Evaluation

Nicholas P. Tippery; Donald H. Les; Donald J. Padgett; et al. Systematic Botany 2008. doi:10.1600/036364408785679851

Other claims from this paper (11)

Observation Nuclear and chloroplast sequence datasets were largely congruent.
Observation Asterid outgroup analyses supported Menyanthaceae monophyly.
Observation Menyanthes trifoliata and Nephrophyllidium crista-galli formed a sister clade to the rest of the family.
Observation Most Nymphoides species formed one deeply nested clade, excluding N. exigua.
Observation Floating leaves appear derived within the family.
Observation Villarsia formed a paraphyletic grade toward Nymphoides.
Observation A shallow Villarsia clade included six named species.
Observation South African Villarsia manningiana and V. capensis formed an isolated clade.
Observation A heterogeneous clade mixed Villarsia, Liparophyllum and Nymphoides taxa.
Recommendation Menyanthes, Nephrophyllidium and Nymphoides should retain their current circumscription.
Recommendation Nymphoides exigua should be restored to Villarsia.

Observationobservedoriginal resultbasis n/a

Claim · model-written summary

V. goldblattiana apparently requires fire to flower.

Taxon: VillarsiaVillarsiat0
Outcome: requirement of fire to induce floweringe0
Qualifier: apparente0

Verbatim

e0
“apparent requirement of fire to induce flowering”
✓ located verbatim in the source · abstract, characters 312–360

t0
“Villarsia”
✓ located verbatim in the source · title, characters 17–26

Title

A New Species of Villarsia (Menyanthaceae) from South Africa

Robert Ornduff Novon A Journal for Botanical Nomenclature 1999. doi:10.2307/3391740

Other claims from this paper (5)

Observation V. goldblattiana is described as a second African Villarsia species.
Observation V. goldblattiana differs from V. capensis in ovule number, seed hairiness, calyx length, and inflorescence height.
Observation V. goldblattiana is known only from the southern Cape Peninsula.
Observation Both South African Villarsia species are tetraploid with 2n = 36.
Method / resource An emended description of V. capensis is given.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Both South African Villarsia species are tetraploid with 2n = 36.

Taxon: VillarsiaVillarsiae0
Outcome: tetraploide0
Value: 2n = 36e0
Setting: South Africane0

Verbatim

e0
“Both South African Villarsia species are tetraploid with 2n = 36.”
✓ located verbatim in the source · abstract, characters 413–478

Title

A New Species of Villarsia (Menyanthaceae) from South Africa

Robert Ornduff Novon A Journal for Botanical Nomenclature 1999. doi:10.2307/3391740

Other claims from this paper (5)

Observation V. goldblattiana is described as a second African Villarsia species.
Observation V. goldblattiana differs from V. capensis in ovule number, seed hairiness, calyx length, and inflorescence height.
Observation V. goldblattiana apparently requires fire to flower.
Observation V. goldblattiana is known only from the southern Cape Peninsula.
Method / resource An emended description of V. capensis is given.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Seed characteristics within Villarsia and Nymphoides are variable and mostly species specific.

Taxon: Villarsia and NymphoidesVillarsiaNymphoidese1
Outcome: Seed characteristicse1

Verbatim

e1
“Seed characteristics within the larger genera Villarsia and Nymphoides are variable and mostly species specific, but do not lend support to taxonomic separation of these genera”
✓ located verbatim in the source · abstract, characters 394–570

Title

Seed Morphology and Systematics of Menyanthaceae

T. I. Chuang; Robert Ornduff American Journal of Botany 1992. doi:10.2307/2445139

Other claims from this paper (6)

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Seed morphology does not support taxonomic separation of Villarsia and Nymphoides.

Taxon: Villarsia and NymphoidesVillarsiaNymphoidese1
Outcome: taxonomic separatione1

Verbatim

e1
“Seed characteristics within the larger genera Villarsia and Nymphoides are variable and mostly species specific, but do not lend support to taxonomic separation of these genera”
✓ located verbatim in the source · abstract, characters 394–570

Title

Seed Morphology and Systematics of Menyanthaceae

T. I. Chuang; Robert Ornduff American Journal of Botany 1992. doi:10.2307/2445139

Other claims from this paper (6)

Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

Ant dispersal appears important for Villarsia and Nymphoides in Australia and does not seem to occur outside Australia.

Taxon: Villarsia and NymphoidesVillarsiaNymphoidese4
Outcome: Ant dispersale4
Qualifier: does not seem to occur in these genera or in other members of the family outside of Australiae4
Setting: Australiae4

Verbatim

e4
“Ant dispersal appears to be important for Villarsia and Nymphoides in Australia, but does not seem to occur in these genera or in other members of the family outside of Australia”
✓ located verbatim in the source · abstract, characters 788–966

Title

Seed Morphology and Systematics of Menyanthaceae

T. I. Chuang; Robert Ornduff American Journal of Botany 1992. doi:10.2307/2445139

Other claims from this paper (6)

Villarsia 16 claims

16 claims