Phylogeny and biogeography of Ceiba Mill. (Malvaceae, Bombacoideae)

Pezzini, Flávia Fonseca; Dexter, Kyle G.; Carvalho-Sobrinho, Jefferson Guedes de; Kidner, Catherine; Nicholls, James A.; Queiroz, Luciano Paganucci de; Pennington, R. Toby

doi:10.21425/f5fbg49226

Cited by 19 publications

(33 citation statements)

References 86 publications

(144 reference statements)

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“…Although there are examples of clades that have been confined to tropical dry forests for millions of years ( 15 ), these clades seem to represent an exception. In general, plant lineages endemic to tropical dry forests ( 27 ) are from clades that also have representatives widespread in extratropical dry environments (e.g., Chaco thorn woodlands) and other tropical biomes (e.g., savannas) ( 28 ). This low degree of specificity in tropical dry forests, where plant lineages are often shared with other biomes, is supported by a recent study showing relatively low evolutionary endemism in these forests ( 17 ).…”

Section: Discussionmentioning

confidence: 99%

The adaptive challenge of extreme conditions shapes evolutionary diversity of plant assemblages at continental scales

Neves

Kerkhoff

Echeverría‐Londoño

et al. 2021

Proc. Natl. Acad. Sci. U.S.A.

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The tropical conservatism hypothesis (TCH) posits that the latitudinal gradient in biological diversity arises because most extant clades of animals and plants originated when tropical environments were more widespread and because the colonization of colder and more seasonal temperate environments is limited by the phylogenetically conserved environmental tolerances of these tropical clades. Recent studies have claimed support of the TCH, indicating that temperate plant diversity stems from a few more recently derived lineages that are nested within tropical clades, with the colonization of the temperate zone being associated with key adaptations to survive colder temperatures and regular freezing. Drought, however, is an additional physiological stress that could shape diversity gradients. Here, we evaluate patterns of evolutionary diversity in plant assemblages spanning the full extent of climatic gradients in North and South America. We find that in both hemispheres, extratropical dry biomes house the lowest evolutionary diversity, while tropical moist forests and many temperate mixed forests harbor the highest. Together, our results support a more nuanced view of the TCH, with environments that are radically different from the ancestral niche of angiosperms having limited, phylogenetically clustered diversity relative to environments that show lower levels of deviation from this niche. Thus, we argue that ongoing expansion of arid environments is likely to entail higher loss of evolutionary diversity not just in the wet tropics but in many extratropical moist regions as well.

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Section: Discussionmentioning

confidence: 99%

The adaptive challenge of extreme conditions shapes evolutionary diversity of plant assemblages at continental scales

Neves

Kerkhoff

Echeverría‐Londoño

et al. 2021

Proc. Natl. Acad. Sci. U.S.A.

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“…The Ceiba genus contains 18 species in the Neotropics, grouped into taxonomic sections Ceiba and Campylanthera (Schott & Endl.) K. Schum (Pezzini et al, 2021). With the exception of a few Cerrado species, the majority are large trees, often with spines along the trunk and branches, and frequently with large buttresses.…”

Section: Introductionmentioning

confidence: 99%

“…St.-Hil. ) Ravenna are mostly present in rain forests, while the other species are more widespread in seasonally dry forests (Pezzini et al, 2021). C. pentandra is also naturally present in equatorial Africa, and naturalized in all the humid tropics after human introduction (https://www.gbif.org/species/5406697).…”

Section: Introductionmentioning

confidence: 99%

Ceiba pentandra (Malvaceae) and associated species: Spiritual Keystone Species of the Neotropics

Tareau¹,

Greene²,

Odonne

et al. 2022

Botany

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Among the 18 species included in the Ceiba genus, in the Malvaceae (Bombacoideae) family, Ceiba pentandra L. Gaertn. is not only the tallest and most widespread, but also occupies the most prominent place in Neotropical cosmovisions. In this ethnobotanical review, we compare perceptions and uses of Ceiba and related species across indigenous and Afro-descendant cultures ranging from the Caribbean to the Argentinian Chaco. Ceiba's widely-shared role as axis mundi, (particularly in Amazonia) psychopomp and shelter of major forest spirits makes it a perfect example of a Spiritual Keystone Species, a new concept inspired from Cultural Keystone Species and defined here for the first time.

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“…Platymiscium (Saslis Lagoudakis et al, 2008)). Indeed, biome switching between dry forest and moist forest, which are often interdigitated, is well documented in the Neotropics (Dexter et al, 2018, Ireland et al, 2010, Klitgård, 2005, Pennington & Dick, 2010, Pezzini et al, 2020).…”

Section: Discussionmentioning

confidence: 99%

The diversification of Pterocarpus (Leguminosae: Papilionoideae) was influenced by biome-switching and infrequent long-distance dispersal

Schley

Qin

Vatanparast

et al. 2021

Preprint

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Aim: Phenotypes which evolved for dispersal over ecological timescales may lead to significant macroevolutionary consequences, such as infrequent long-distance dispersal and diversification in novel environments. We aimed to reconstruct the phylogenetic history of Pterocarpus (Leguminosae/ Fabaceae) to assess whether seed dispersal phenotypes help to explain the current biogeographical patterns of this group. Location: Pantropical. Taxon: The Pterocarpus clade, particularly Pterocarpus (Leguminosae/Fabaceae). Methods: We sequenced ~300 nuclear loci captured using Angiosperms-353, a genomic 'bait set' for flowering plants, from which we generated a time-calibrated phylogenomic tree. To corroborate this, we also generated a time-calibrated phylogenetic tree from data-mined Sanger-sequencing data. We then collated distribution data and fruit dispersal morphology traits to compare trait-dependent and trait-independent biogeographical models, allowing us to assess whether dispersal traits influenced the spatio-temporal evolution of Pterocarpus. Finally, using the results of these model tests, we estimated the ancestral ranges and biomes of Pterocarpus species to better understand their biogeographical history. Results: We recovered well-supported phylogenetic relationships within Pterocarpus, within which there were two subclades - one Neotropical and the other Palaeotropical. Our divergence date estimates suggested that Pterocarpus largely diversified from around 12 Ma, during the Miocene. Trait-dependent biogeographical models were rejected for both range and biome evolution within Pterocarpus, but models parameterising dispersal were supported. Pterocarpus largely diversified in the Neotropics, followed by dispersal and diversification into Africa and Asia, with later dispersal into Australasia/Oceania. The neotropical subclade of Pterocarpus underwent multiple biome switches between moist forest and dry forest, while in palaeotropical Pterocarpus we reconstructed multiple switches between moist forest and grassland. Main conclusions: Overall, our analyses suggest that Pterocarpus underwent infrequent cross-continental dispersal and adaptation to novel biomes. While this was minimally impacted by fruit dispersal syndromes, shifts between moist and arid environments precipitated by long-distance dispersal and environmental change have played an important role in diversification within Pterocarpus since the Miocene.

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Phylogeny and biogeography of Ceiba Mill. (Malvaceae, Bombacoideae)

Cited by 19 publications

References 86 publications

The adaptive challenge of extreme conditions shapes evolutionary diversity of plant assemblages at continental scales

The adaptive challenge of extreme conditions shapes evolutionary diversity of plant assemblages at continental scales

Ceiba pentandra (Malvaceae) and associated species: Spiritual Keystone Species of the Neotropics

The diversification of Pterocarpus (Leguminosae: Papilionoideae) was influenced by biome-switching and infrequent long-distance dispersal

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