A Revision of &lt;I&gt;Bomarea&lt;/I&gt; Subgenus &lt;I&gt;Bomarea&lt;/I&gt; s.str. Section &lt;I&gt;Multiflorae&lt;/I&gt; (Alstroemeriaceae)

Hofreiter, Anton

doi:10.1600/036364408786500172

Cited by 8 publications

(13 citation statements)

References 8 publications

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“…1G-O, 2, 3, 4A-F; Sarwar et al 2015), although coarsely rugulate and finely rugulate-perforate or psilate-perforate exine sculptures are also observed in a few Bomarea species (Fig. 4G-O;Hofreiter 2008;Sarwar et al 2015). This may give additional support to the supposition that (micro-)reticulate exine sculptures might be a plesiomorphic character state for Bomarea and the coarsely rugulate and finely rugulateperforate or psilate-perforate exine sculptures might have evolved independently more than once (Alzate et al 2008;Sarwar et al 2015).…”

Section: Discussionmentioning

confidence: 94%

“…Pollen size and shape classes were defined using the criteria of Erdtman (1952), and our descriptive terminology follows Punt et al (2007) and Hesse et al (2009). The sectional classification of subgenus Bomarea follows Harling & Neuendorf (2003) and Hofreiter (2008).…”

Section: Methodsmentioning

confidence: 99%

“…Baker (1888) divided this subgenus into four main groups according to the structure of the inflorescence and the relation of the inner and outer tepals, and Killip (1935) later named these four groups Multiflorae, Caldasianae, Edules, and Vitellinae. Presently, four sections are recognized within the subgenus Bomarea: Multiflorae, Edules, Goniocaulon, and Pardinae (Harling & Neuendorf 2003; for details see Hofreiter 2008).…”

Section: Introductionmentioning

confidence: 99%

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Pollen morphology and its taxonomic significance in the genus Bomarea Mirb. (Alstroemeriaceae) - II. Subgenus Bomarea

2015

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Pollen morphology of 52 species (out of c. 79) of the Bomarea subgenus Bomarea was examined using light microscopy and scanning electron microscopy (SEM), or using SEM alone. The studied species of Bomarea were stenopalynous, characterized by large, oblate, monosulcate monads with reticulate exine sculpture in most species. Wide variation was observed in quantitative palynological features. The studied taxa were divided into four major groups based on exine ornamentation observed under SEM: microreticulate, reticulate, coarsely rugulate, and psilate-perforate. The reticulate exine sculpture may be a plesiomorphic character state for the genus Bomarea, and the coarsely rugulate and finely rugulate-perforate or psilate-perforate exine sculptures may have evolved independently more than once. In agglomerative hierarchical clustering (AHC) analyses of the genus Bomarea using quantitative pollen data, the studied species were distributed in either two (similarity-based) or four (dissimilarity-based) major clusters. Neither the recent molecular phylogenetic analyses nor the AHC analyses of Bomarea have recovered clades/clusters that represent traditionally recognized subgeneric taxa for the genus. Therefore, the most reliable infrageneric classification of Bomarea can be achieved by combining morphological, palynological, and molecular data from more extentive sampling of all the species.

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Section: Discussionmentioning

confidence: 94%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Pollen morphology and its taxonomic significance in the genus Bomarea Mirb. (Alstroemeriaceae) - II. Subgenus Bomarea

2015

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“…Bomarea is distributed from Mexico and the Greater Antilles to southern South America (Gereau 1994). The centre of distribution of the genus is along the Andes from Colombia to Bolivia (Hofreiter 2008).…”

Section: Introductionmentioning

confidence: 99%

“…Bomarea sect. Multiflorae by Hofreiter (2008), this number decreased to 11 species: Bomarea acuminata Baker (1887: 212) is a synonym of B. andreana Baker (1882: 205), and B. caldasii (Kunth, 1816: 283) Ascherson & Graebner (1906: 431) is synonymous with B. multiflora (Linneaus f., 1782: 207) Mirbel (1804, but B. costaricensis Kränzlin (1913: 4) is newly reported for Panama. Of these 11 species, four are endemic to Panama and Costa Rica, and only B. caudatisepala Gereau (1989: 599) and B. bracteolata Gereau (1989: 601) are endemic to Panama (Hofreiter 2008).…”

Section: Introductionmentioning

confidence: 99%

<i>Bomarea rinconii</i> (Alstroemeriaceae), a new species from the Talamanca Mountains in Chiriqui Province, Panama

Gonzalez¹

2013

Phytotaxa

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Bomarea Mirbel (1804: 71; Alstroemeriaceae) includes 122 species (Govaerts 2013) and is divided into four subgenera (Hofreiter & Tillich 2002): Baccata (five species), Bomarea (ca. seventy species), Sphaerine(twelve species) and Wichuraea (eighteen species). Bomarea is distributed from Mexico and the Greater Antilles to southern South America (Gereau 1994). The centre of distribution of the genus is along the Andes from Colombia to Bolivia (Hofreiter 2008).

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The rapid radiation of Bomarea (Alstroemeriaceae: Liliales), driven by the rise of the Andes

Tribble,

Alzate-Guarín,

Gándara

et al. 2023

Evolution

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Geological events such as mountain uplift affect how, when, and where species diversify, but measuring those effects is a longstanding challenge. Andean orogeny impacted the evolution of regional biota by creating barriers to gene flow, opening new habitats, and changing local climate. Bomarea (Alstroemeriaceae) are tropical plants with (often) small, isolated ranges; in total, Bomarea species occur from central Mexico to central Chile. This genus appears to have evolved rapidly and quite recently, and rapid radiations are often challenging to resolve with traditional phylogenetic inference. In this study, we apply phylogenomics—with hundreds of loci, gene-tree-based data curation, and a multispecies-coalescent approach—to infer the phylogeny of Bomarea. We used this phylogeny to untangle the potential drivers of diversification and biogeographic history. In particular, we test if Andean orogeny contributed to the diversification of Bomarea. We find that Bomarea originated in the central Andes during the mid-Miocene, then spread north, following the trajectory of mountain uplift. Furthermore, Andean lineages diversified faster than non-Andean relatives. Bomarea thus demonstrates that—at least in some cases—geological change rather than environmental stability has driven high species diversity in a tropical biodiversity hotspot. These results also demonstrate the utility (and danger) of genome-scale data for making macroevolutionary inferences.

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A Revision of <I>Bomarea</I> Subgenus <I>Bomarea</I> s.str. Section <I>Multiflorae</I> (Alstroemeriaceae)

Cited by 8 publications

References 8 publications

Pollen morphology and its taxonomic significance in the genus Bomarea Mirb. (Alstroemeriaceae) - II. Subgenus Bomarea

Pollen morphology and its taxonomic significance in the genus Bomarea Mirb. (Alstroemeriaceae) - II. Subgenus Bomarea

<i>Bomarea rinconii</i> (Alstroemeriaceae), a new species from the Talamanca Mountains in Chiriqui Province, Panama

The rapid radiation of Bomarea (Alstroemeriaceae: Liliales), driven by the rise of the Andes

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