GenusHuberantha(Annonaceae) Revisited: Erection ofPolyalthiopsis, a New Genus forH. floribunda, with a New CombinationH. luensis

Chaowasku, Tanawat; Damthongdee, Anissara; Jongsook, Hathaichanok; Nuraliev, Maxim S.; Ngo, Dung; Le, Hung M.; Lithanatudom, Pathrapol; Osathanunkul, Maslin; Deroin, Thierry; Xue, Bine; Wipasa, Jiraprapa

doi:10.5735/085.055.0114

Cited by 23 publications

(34 citation statements)

References 43 publications

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“…We adopted a super-matrix approach, using the recently published phylogeny by Guo et al [10], supplemented with additional sequences from other sources [18,42,81,82,83,84,85,86,87,88]. Eight regions of the plastid genome that are commonly used in Annonaceae phylogenetics ( rbcL , matK , ndhF , psbA-trnH , trnL-F , atpB-rbcL , trnS-G and ycf1 ) were downloaded from the nucleotide database of the National Center for Biotechnology Information (http://www.ncbi.nlm.nih.gov).…”

Section: Methodsmentioning

confidence: 99%

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Accelerated diversification correlated with functional traits shapes extant diversity of the early divergent angiosperm family Annonaceae

Xue

Guo

Landis

et al. 2019

Preprint

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Background A major goal of phylogenetic systematics is to understand both the patterns of diversification and the processes by which these patterns are formed. Few studies have focused on the ancient, species-rich Magnoliales clade and its diversification pattern. Within Magnoliales, the pantropically distributed Annonaceae are by far the most genus-rich and species-rich family-level clade, with c. 110 genera and c. 2,400 species. We investigated the diversification patterns across Annonaceae and identified traits that show varied associations with diversification rates using a time-calibrated phylogeny of 835 species (34.6% sampling) and 11,211 aligned bases from eight regions of the plastid genome (rbcL, matK, ndhF, psbA-trnH, trnL-F, atpB-rbcL, trnS-G, and ycf1). Two hypotheses that might explain patterns of diversification—the ‘museum model’ and heterogeneous diversification rates—are also evaluated. Results Twelve rate shifts were identified using BAMM: in Annona, Artabotrys, Asimina, Drepananthus, Duguetia, Goniothalamus, Guatteria, Uvaria, Xylopia, the tribes Miliuseae and Malmeeae, and the Desmos-Dasymaschalon-Friesodielsia-Monanthotaxis clade (which collectively account for over 80% of the total species richness in the family). TurboMEDUSA and method-of-moments estimator analyses showed largely congruent results. A positive relationship between species richness and diversification rate is revealed using PGLS. We further explore the possible role of selected traits (habit, pollinator trapping, floral sex expression, pollen dispersal unit, anther septation, and seed dispersal unit) in shaping diversification patterns, based on inferences of BiSSE, MuSSE, HiSSE, and FiSSE analyses. Our results suggest that the liana habit, the presence of circadian pollinator trapping, androdioecy, and the dispersal of seeds as single-seeded monocarp fragments are closely correlated with higher diversification rates; pollen aggregation and anther septation, in contrast, are associated with lower diversification rates. Conclusion Our results show that the high species richness in Annonaceae is likely the result of recent increased diversification rather than the steady accumulation of species via the ‘museum model’. BAMM, turboMEDUSA, and the method-of-moments estimator all indicate heterogeneity in diversification rates across the phylogeny, with different traits associated with shifts in diversification rates in different Annonaceae clades.

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Section: Methodsmentioning

confidence: 99%

“…Species richness data for each genus were obtained from Guo et al [10], supplemented by data from recent taxonomic publications [85,88,99,100,101,102]. Several recognized genera are not monophyletic, and hence a total of 101 ‘genus-level clades’ were adopted.…”

Section: Methodsmentioning

confidence: 99%

Accelerated diversification correlated with functional traits shapes extant diversity of the early divergent angiosperm family Annonaceae

Xue

Guo

Landis

et al. 2019

Preprint

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“…DNA extraction, amplification and sequencing, including primer sequences, used in the present study followed Chaowasku & al. (2018aChaowasku & al. ( , 2018bChaowasku & al.…”

Section: Phylogenetic Reconstructionsmentioning

confidence: 99%

Artabotrys angustipetalus (Annonaceae), a new species from Thailand, including a plastid phylogeny and character evolutionary analyses of thorn occurrence in Artabotrys

et al. 2021

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“…Twenty-two of the 24 accessions of the ingroup have been sequenced for an additional plastid DNA region (ycf1 exon), but at least one species per tribe are represented by the ycf1 sequence. Previously published sequences were obtained from the following publications: Mols et al (2004aMols et al ( , 2004b, Pirie et al (2006Pirie et al ( , 2007, Su et al (2008), Couvreur et al (2009), Chaowasku et al (2012aChaowasku et al ( , 2013aChaowasku et al ( , 2014Chaowasku et al ( , 2018, and Chatrou et al (2012). Thirty-three sequences were newly generated in the present study.…”

Section: Taxon and Character Samplingmentioning

confidence: 99%

“…Annonaceae, a pantropical angiosperm family characteristic of lowland rainforests (e.g. Slik et al, 2003), comprise c. 2400 species classified in 109 genera (Guo et al, 2017;Chaowasku et al, 2018;Xue et al, 2018). A new classification has been recently proposed, subdividing the family into four subfamilies, viz., Anaxagoreoideae, Ambavioideae, Annonoideae, and Malmeoideae; with the last two subfamilies constituting the majority of generic and species diversity (Chatrou et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Enlarging the monotypic Monocarpieae (Annonaceae, Malmeoideae): recognition of a second genus from Vietnam informed by morphology and molecular phylogenetics

Chaowasku¹,

Damthongdee²,

Jongsook³

et al. 2018

Candollea

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Recent botanical expeditions in central Vietnam yielded an unknown species of Annonaceae that could not be confidently identified to subfamily, tribe, and genus. Preliminary BLAST® searches based on plastid data have suggested that this taxon is genetically closely-related to the following tribes of subfamily Malmeoideae: Malmeeae, Fenerivieae, Maasieae, Phoenicantheae, Dendrokingstonieae, Monocarpieae, and Miliuseae. Using representatives of Piptostigmateae, another tribe of Malmeoideae, as outgroups and including representatives of all other tribes of Malmeoideae, molecular phylogenetic analyses of seven combined plastid markers (rbcL, matK, ndhF, ycf1 exons; trnL intron; trnL-trnF, psbA-trnH intergenic spacers) inferred the enigmatic Vietnamese taxon as belonging to the monotypic tribe Monocarpieae. Detailed morphological comparisons between this taxon and its sister group, Monocarpia Miq., warranted the recognition of a second genus of Monocarpieae to accommodate our unknown taxon: Leoheo Chaowasku with a single species, Leoheo domatiophorus Chaowasku, D.T. Ngo & H.T. Le. The morphology of the new genus agrees well with the diagnostic traits of Monocarpieae, e.g., a percurrent tertiary venation of the leaves, a highly reduced number of carpels per flower, enlarged and lobed stigmas, multiple ovules/seeds per ovary/monocarp, considerably large monocarps with a hardened pericarp when dry, and spiniform ruminations of the endosperm. However, the new genus does not exhibit two characteristic features of Monocarpia: terminal inflorescences and generally distinct intramarginal leaf veins. In addition, the new genus possesses three autapomorphic characters: hairy domatia on the lower leaf surface, longitudinal ridges on the monocarp surface, and subsessile monocarps with a stout stipe. The tribe Monocarpieae is consequently enlarged to include the genus Leoheo. The enlarged Monocarpieae, along with the recently established monotypic tribe Phoenicantheae and two other related tribes, Dendrokingstonieae and Miliuseae, are discussed.

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GenusHuberantha(Annonaceae) Revisited: Erection ofPolyalthiopsis, a New Genus forH. floribunda, with a New CombinationH. luensis

Cited by 23 publications

References 43 publications

Accelerated diversification correlated with functional traits shapes extant diversity of the early divergent angiosperm family Annonaceae

Accelerated diversification correlated with functional traits shapes extant diversity of the early divergent angiosperm family Annonaceae

Artabotrys angustipetalus (Annonaceae), a new species from Thailand, including a plastid phylogeny and character evolutionary analyses of thorn occurrence in Artabotrys

Enlarging the monotypic Monocarpieae (Annonaceae, Malmeoideae): recognition of a second genus from Vietnam informed by morphology and molecular phylogenetics

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