Guinetia: A New Genus in the Tribe Ingeae (Leguminosae: Mimosoideae) from Mexico

Arce, M. de L. Rico; Sousa, S Mario; Fuentes, Susy

doi:10.2307/4111177

Cited by 14 publications

(4 citation statements)

References 2 publications

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“…It was originally described by Delile (1813) as Acacia albida Delile, but was later transferred to its own genus (Chevallier 1976) and included in Ingeae. Guinetia was established by Rico Arce & al. (1999) to accommodate the previously undescribed, Mexican species, Guinetia tehuantepecensis L. Rico & M. Sousa.…”

Section: Introductionmentioning

confidence: 99%

Phylogeny of the ingoid clade (Caesalpinioideae, Fabaceae), based on nuclear and plastid data

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Wikström

Staahl

et al. 2021

Preprint

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We investigated generic relationships in the ingoid clade (Fabaceae) (sensu Koenen & al. 2020a), with main focus on genera with a taxonomic history in Calliandra s.l. of the tribe Ingeae (i.e. Afrocalliandra, Calliandra s.s., Sanjappa, Thailentadopsis, Viguieranthus, Zapoteca), and three genera of the tribe Acacieae (i.e., Acacia, Acaciella, Senegalia). The nuclear ribosomal ETS and ITS, and the plastid matK, trnL-trnF and ycf1 DNA-regions were analysed for 246 representatives from 36 genera using maximum likelihood as implemented in IQ-tree. The results show an Ingeae–Acacia clade within the ingoid clade, resolved in three major clades. Clade 1 (Calliandra s.s. and Afrocalliandra) is sister to clades 2 and 3. Clade 2 comprises Faidherbia, Sanjappa, Thailentadopsis, Viguieranthus and Zapoteca. Clade 3 comprises the remaining genera of the Ingeae, plus Acacia. The ingoid genus Senegalia is excluded from the Ingeae–Acacia clade. Acaciella is sister to the remaining ingoid clade when nuclear ribosomal data is included in the analyses, but included in the Ingeae–Acacia clade based on plastid data. Acacia and perhaps also Acaciella are thus nested within Ingeae. Species traditionally referred to Calliandra (Calliandra s.l.) are resolved in two clades, and the “Calliandra-pod” has apparently evolved independently several times.

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Section: Introductionmentioning

confidence: 99%

Phylogeny of the ingoid clade (Caesalpinioideae, Fabaceae), based on nuclear and plastid data

Ferm

Wikström

Staahl

et al. 2021

Preprint

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“…Guinetia Rico & Sousa in Rico Arce et al (1999: 977), a monotypic genus in Mexico, was said to differ from Calliandra by having pods initially dehiscing along one margin only. Otherwise, it agrees with Calliandra by having 8-celled polyads with a mucilaginous tail cell ("basal cell" with a "very reduced sticky appendage"), and by having sagittate, petiolate cotyledons (Rico Arce et al 1999: Fig. 1L).…”

Section: Segregates Of Calliandramentioning

confidence: 62%

“…1L). The polyads of Guinetia are calymmate (Rico Arce et al 1999) as in neotropical Calliandra. Given that it is deeply nested within Calliandra in their phylogeny, Guinetia tehuantepecensis was transferred to Calliandra by Souza et al (2013), who regarded the deviating dehiscence of the pods in this species as a reversal.…”

Section: Segregates Of Calliandramentioning

confidence: 99%

On Calliandra and Afrocalliandra (Fabaceae-Caesalpinioideae)

Thulin

2023

Phytotaxa

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The history of the genus Calliandra is reviewed, with particular reference to the two African species C. gilbertii and C. redacta. These species have been segregated as Afrocalliandra, based on proposed differences from a neotropical Calliandra. The stated differences are acalymmate, 7-celled (versus calymmate, 8-celled) polyads, presence (versus absence) of extrafloral nectaries, and presence (versus absence) of spines or thorns. A scrutiny of these claims shows that neither number of cells in the polyads, nor extrafloral nectaries, nor armature can be used to separate the two African species from the rest of the genus. The only remaining difference is the acalymmate polyads, a plesiomorphic state among mimosoids. On the contrary, a circumscription of Calliandra that includes also the two African species is, apart from being robustly supported by molecular data, also very strongly supported morphologically by 8-celled asymmetrical polyads with tail cells provided with viscin bodies (which are unique among legumes), by expanded stigmas with a wide area of polyad receptivity (which are unique among mimosoids), and by sagittate, petiolate and persistent cotyledons. A return to a circumscription of Calliandra that includes also the two African species is therefore proposed. Calliandra is subdivided into subg. Calliandra, with ca. 140 species in the Neotropics, and subg. Afrocalliandra, comb. et stat. nov., with C. gilbertii in Somalia and Kenya, and C. redacta in South Africa.

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“…Calliandra Bentham is a neotropical genus of Fabaceae, which comprises more than 130 species grouped into five morphological sections by Barneby (1998). A phylogeny based on molecular [nrDNA sequences (ITS) and cpDNA (trnL-F)] and morphological characters (Souza et al 2013) is resolved into six well-supported clades, including the genus Guinetia L. (Rico Arce et al 1999) and where African species of the genus are assigned to the new Afrocalliandra ER Souza & L.P Queiroz. In its current circumscription, Calliandra is a monophyletic genus that is defined by a combination of morphological characters, such as the erect pods with thick margins elastically dehiscent from the apex (Bentham 1840), 8-calimate polyads exhibiting a common exine in all pollen grains, a mucilaginous basal appendage that adheres the polyad to the surface of the stigma during pollination (Hernández 1986, Guinet and Hernández 1989, Hernández 1989, Greissl 2006) and the loss of foliar nectaries (Souza et al 2013).…”

mentioning

confidence: 99%

A Predominance of Subtelocentric Chromosomes Characterizes the Karyotype of <i>Calliandra grandiflora</i> (Fabaceae, Mimosoideae, Ingeae) and Its Karyosystematic Considerations

Tapia-Pastrana

Uribe-Hernández

2019

CYTOLOGIA

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The karyotype of Calliandra grandiflora from a population of Mexico is described. The karyotypic formula of 2n= 22= 4m+18st is the first for a species of the genus. The predominance of subtelocentric chromosomes (st) and the index of asymmetry (TF)=25.05 1.03 described an asymmetric karyotype not registered so far in the tribe Ingeae. The majority of the short arms in st chromosomes exhibited structures of similar appearance to the secondary constrictions, present even in the first pair, but not in the smallest. In addition, the prophase nuclei showed up to 12 protuberances that could correspond to such structures whose origin and nature are discussed in light of probable chromosomal fission events.

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Guinetia: A New Genus in the Tribe Ingeae (Leguminosae: Mimosoideae) from Mexico

Cited by 14 publications

References 2 publications

Phylogeny of the ingoid clade (Caesalpinioideae, Fabaceae), based on nuclear and plastid data

Phylogeny of the ingoid clade (Caesalpinioideae, Fabaceae), based on nuclear and plastid data

On Calliandra and Afrocalliandra (Fabaceae-Caesalpinioideae)

A Predominance of Subtelocentric Chromosomes Characterizes the Karyotype of <i>Calliandra grandiflora</i> (Fabaceae, Mimosoideae, Ingeae) and Its Karyosystematic Considerations

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