基于美国佛蒙特州中新世早期布兰登褐煤内果皮的两新种

Q2 Agricultural and Biological Sciences

Acta Palaeobotanica Pub Date : 2018-12-01 DOI:10.2478/acpa-2018-0008

B. Tiffney, S. Manchester, P. Fritsch

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引用次数: 7

摘要

摘要我们描述了美国佛蒙特州早中新世布兰登褐煤植物区系中的两个新物种——桔梗属（桔梗科）的内果皮。nov.在形态和解剖学上与北美洲东南部现存的S.tinctoria和东亚的S.wikstroemifolia最为相似，都属于S.sect。Hopea，以及S.sect的几个物种。Lodhra，东亚特有种；它们也有点类似于欧洲第三纪的微小S.minutula。hitchcockii sp.nov.的内果皮在形态和解剖学上与S.sect的活成员最相似。Lodhra，也有点类似于欧洲第三纪的入侵S.incava化石。该报告将内果皮Symplocos的化石记录扩展到北美洲东部，并强调了布兰登植物群的中生-亚热带混合性质。

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Two new species of Symplocos based on endocarps from the early Miocene Brandon Lignite of Vermont, USA

Abstract We describe two new species of Symplocos (Symplocaceae) from the early Miocene Brandon Lignite Flora of Vermont, USA. The endocarps of Symplocos laevigata (Lesq.) comb. nov. are most similar in morphology and anatomy to those of the extant species S. tinctoria of southeastern North America and S. wikstroemiifolia of eastern Asia, both of S. sect. Hopea, and to those of several species of S. sect. Lodhra, endemic to eastern Asia; they are also somewhat similar to those of S. minutula of the Tertiary of Europe. The endocarps of Symplocos hitchcockii sp. nov. are most similar in morphology and anatomy to those of living members of S. sect. Lodhra, and are also somewhat similar to fossil S. incurva of the Tertiary of Europe. This report extends the fossil record of Symplocos endocarps to eastern North America and underscores the mixed mesophytic to subtropical nature of the Brandon flora.

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来源期刊

Acta Palaeobotanica Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

20 weeks

期刊介绍： Acta Palaeobotanica is an international journal edited in English by the W. Szafer Institute of Botany, Polish Academy of Sciences, Kraków, since 1960, which publishes original palaeobotanical, palynological, palaeoecological and palaeophytogeographical papers, monographs, review and discussion articles and book reviews. It is the only journal in the Central and Eastern Europe publishing papers from all fields of palaeobotany. The journal is published regularly in one volume per year, with two numbers.