Abstract
Within the genus Bellevalia (Asparagaceae: Scilloideae: Hyacintheae), flower shape and colour, the ratio of leaf to scape length, and the orientation of the pedicels were traditionally used to delimit sections, subsections and species. We conducted a phylogenetic analysis of representative species from sections Bellevalia, Conicae, Nutantes and Oxydontae, representing four out of the six sections that are currently recognised, using the four chloroplast regions rbcL, matK, trnL intron, and trnL-F spacer. Our results indicate that the sections are not monophyletic as currently circumscribed. Our analyses retrieve two major, well-supported clades. The first clade (sect. Conicae) includes only species with ciliate leaves and green-veined perianth lobes, and the second clade (sect. Bellevalia) includes the species lacking these characteristics. Within the second clade, the species with yellow anthers are separated from those with violet anthers. Our molecular analysis does not support the traditional subdivisions of the genus but establishes the value of cilia on the leaf margin, green veins in the perianths lobes, and the colour of the anthers as indicators of relationships among the species. We recommend that the current four sections and six subsections of Bellevalia be reduced to two sections without subsections and we provide an updated and corrected nomenclature for these sections and subsections, designating lectotypes where necessary.
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Claims 7
Claim · model-written summary
The sections of Bellevalia are not monophyletic as currently circumscribed.
- Taxon
- Bellevalia
Bellevaliat1 - Outcome
- sections are not monophyletice1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Our results indicate that the sections are not monophyletic as currently circumscribed”
t1“A revised infrageneric classification of Bellevalia Lapeyr.”
Claim · model-written summary
The phylogenetic analyses retrieved two major, well-supported clades in Bellevalia.
- Taxon
- BellevaliaBellevaliat1
- Outcome
- two major, well-supported cladese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Our analyses retrieve two major, well-supported clades”
t1“A revised infrageneric classification of Bellevalia Lapeyr.”
Claim · model-written summary
The first clade (sect. Conicae) includes only species with ciliate leaves and green-veined perianth lobes.
- Taxon
- BellevaliaBellevaliat1
- Organ / stage
- leavese3
- Outcome
- species with ciliate leaves and green-veined perianth lobese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The first clade (sect. Conicae) includes only species with ciliate leaves and green-veined perianth lobes”
t1“A revised infrageneric classification of Bellevalia Lapeyr.”
Claim · model-written summary
The second clade (sect. Bellevalia) includes the species lacking ciliate leaves and green-veined perianth lobes.
- Taxon
- BellevaliaBellevaliat1
- Outcome
- species lacking these characteristicse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“the second clade (sect. Bellevalia) includes the species lacking these characteristics”
t1“A revised infrageneric classification of Bellevalia Lapeyr.”
Claim · model-written summary
Within the second clade, species with yellow anthers are separated from those with violet anthers.
- Taxon
- BellevaliaBellevaliat1
- Organ / stage
- antherse5
- Outcome
- species with yellow anthers are separated from those with violet antherse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“the species with yellow anthers are separated from those with violet anthers”
t1“A revised infrageneric classification of Bellevalia Lapeyr.”
Claim · model-written summary
Cilia on the leaf margin, green veins in the perianth lobes and anther colour are indicators of relationships among Bellevalia species.
- Taxon
- BellevaliaBellevaliat1
- Organ / stage
- leaf margine6
- Outcome
- relationships among the speciese6
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“establishes the value of cilia on the leaf margin, green veins in the perianths lobes, and the colour of the anthers as indicators of relationships among the species”
t1“A revised infrageneric classification of Bellevalia Lapeyr.”
Claim · model-written summary
The authors recommend reducing the four sections and six subsections of Bellevalia to two sections without subsections.
- Taxon
- BellevaliaBellevaliae7
- Outcome
- reduced to two sections without subsectionse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“We recommend that the current four sections and six subsections of Bellevalia be reduced to two sections without subsections”
t1“A revised infrageneric classification of Bellevalia Lapeyr.”