First Fossil Fruits and Leaves of<i>Burretiodendron</i>s.l. (Malvaceae s.l.) in Southeast Asia: Implications for Taxonomy, Biogeography, and Paleoclimate

Anberrée, Julie Lebreton; Manchester, Steven R.; Huang, Jian; Li, Shufeng; Wang, Yuqing; Zhou, Zhe‐Kun

doi:10.1086/682166

Cited by 27 publications

(19 citation statements)

References 32 publications

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“…Our fossils are characterized by elliptic to obovate mericarps with two wings, which are laterally aligned with the longitudinal axis, with a centrally placed obovate endocarp and craspedodromous wing venation. These features are those of the Malvaceae (Lebreton Anberrée et al, 2015). We compared genera that had similar wing fruit characteristics to those of the fossils.…”

Section: Discussionmentioning

confidence: 92%

Early Oligocene fruits and leaves ofBurretiodendron(Malvaceae s.l.) from South China

Kodrul

et al. 2020

J of Sytematics Evolution

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The genus Burretiodendron Rehder is currently endemic to an area near the China–Vietnam border and the limestone mountains of Thailand and Myanmar. The fossil records of this genus were previously found only from the Miocene of Yunnan, Southwest China, and the Oligocene of Guangxi, South China. Here, we describe fossil fruits and associated leaves of Burretiodendron, which were discovered in the lower Oligocene Shangcun Formation of the Maoming Basin, Guangdong, South China. Morphological comparison with extant and fossil Burretiodendron taxa indicates that fruit fossils belong to the species Burretiodendron parvifructum J. Lebreton Anberrée & Z. K. Zhou. This is one of the earliest fossil records of the genus, providing additional evidence for the early biogeographic history of this genus and supporting the inference that the genus originated in South China. According to the habitat conditions of modern species, we speculate that there were limestone mountains around the Maoming Basin in the early Oligocene.

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Section: Discussionmentioning

confidence: 92%

Early Oligocene fruits and leaves ofBurretiodendron(Malvaceae s.l.) from South China

Kodrul

et al. 2020

J of Sytematics Evolution

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“…Whether or not Excentrodendron Hung T.Chang & R.H.Miao should be recognized as a genus distinct from Burretiodendron is problematic. Pollen (Tang & Gao, 1993), wood anatomy (Tang & al., 2005), fruit and leaf morphology (Lebreton Anberrée & al., 2015), and limited molecular data (Li & al., 2004) suggest that they are distinct but closely related (sister groups). Nonetheless, both genera have the same floral and fruit morphology: 5‐locular ovaries with 2 ovules per locule and winged fruit separating septicidally into 1‐seeded mericarps.…”

Section: Discussionmentioning

confidence: 99%

Indo‐AsianEriolaenaexpanded to include two Malagasy genera, and other generic realignments based on molecular phylogenetics of Dombeyoideae (Malvaceae)

Dorr

Wurdack

2020

TAXON

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Molecular phylogenetic analyses of Malvaceae subfamily Dombeyoideae based on a 6-marker dataset sampling all 21 currently accepted genera (including extinct Astyria) yielded improved resolution and evidence for multiple generic circumscription problems. The taxonomy of the subfamily is adjusted with the synonymization of 10 genera (eight in current use) and the description of one new one, for a revised Dombeyoideae comprised of 14 genera and supported by morphological, anatomical, and/or palynological evidence. Eriolaena is expanded from a narrow Indo-Asian group to include the Malagasy endemic genera Helmiopsis and Helmiopsiella, and a recently described species from continental Africa. A conspectus is presented of the new broadly circumscribed Eriolaena with 27 species (28 taxa, including 3 new Malagasy species and 16 new combinations) and defined by a unique winged-seed morphology. A new monotypic Malagasy genus (Hafotra), resolved as sister to Eriolaena, is described. A conspectus is presented of a broadly circumscribed Mascarene-Malagasy Ruizia (+ Astyria and Trochetia, with 13 new combinations). Two other genera are expanded and recircumscribed: Melhania (+ Trochetiopsis and Paramelhania, with one new name and two new combinations) and Corchoropsis (+ Paradombeya, with two new combinations). Additionally, two genera are typified, and 21 names are lectotypified.

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“…Based on preliminary study, the Maguan flora represents a subtropical evergreen broad-leafed forest that includes floristic elements such as Burretiodendron Rehder ( Lebreton-Anberrée et al., 2015 ), Pterolobium R. Br. ex Wight et Arn.…”

Section: Methodsmentioning

confidence: 99%

Involucre fossils of Carpinus, a northern temperate element, from the Miocene of China and the evolution of its species diversity in East Asia

et al. 2020

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East Asia has long been recognized as a major center for temperate woody plants diversity. Although several theories have been proposed to explain how the diversity of these temperate elements accumulated in the region, the specific process remains unclear. Here we describe six species of Carpinus , a typical northern hemisphere temperate woody plant, from the early Miocene of the Maguan Basin, southwestern China, southern East Asia. This constitutes the southernmost, and the earliest occurrence that shows a high species diversity of the genus. Together with other Carpinus fossil records from East Asia, we show that the genus had achieved a high diversity in East Asia at least by the middle Miocene. Of the six species here described, three have become extinct, indicating that the genus has experienced apparent species loss during its evolutionary history in East Asia. In contrast, the remaining three species closely resemble extant species, raising the possibility that these species may have persisted in East Asia at least since the early Miocene. These findings indicate that the accumulation of species diversity of Carpinus in East Asia is a complex process involving extinction, persistence, and possible subsequent speciation.

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First Fossil Fruits and Leaves ofBurretiodendrons.l. (Malvaceae s.l.) in Southeast Asia: Implications for Taxonomy, Biogeography, and Paleoclimate

Cited by 27 publications

References 32 publications

Early Oligocene fruits and leaves ofBurretiodendron(Malvaceae s.l.) from South China

Early Oligocene fruits and leaves ofBurretiodendron(Malvaceae s.l.) from South China

Indo‐AsianEriolaenaexpanded to include two Malagasy genera, and other generic realignments based on molecular phylogenetics of Dombeyoideae (Malvaceae)

Involucre fossils of Carpinus, a northern temperate element, from the Miocene of China and the evolution of its species diversity in East Asia

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