Mycopteris, a new neotropical genus of grammitid ferns (Polypodiaceae)

Mycopteris, a new neotropical genus of grammitid ferns (Polypodiaceae)
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Mycopteris,新热带拟石线蕨属(水龙骨科)

DOI:
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发表时间:
2014
期刊:
影响因子:
0.9
通讯作者:
Michael A. Sundue
Michael A. Sundue
中科院分区:
生物学4区
文献类型:
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作者:
Michael A. Sundue

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描述了中国蕨科一新属--毛蕨属(Mycopteris),并对该属的种进行了组合。毛蕨属(Mycopteris)的特征为:根茎鳞片栗色,细胞膨大,通常为栉状片,叶柄和轴黑色,羽片和脉黑色,刚毛红色,白垩纪的棘球蚴,无毛的孢子囊,以及顶籽蕨(Acrospermum ascomes)的存在。它完全是新热带区,范围从墨西哥东到西印度群岛,南到玻利维亚。Mycopteris是两个属的grammitid蕨类植物,一贯与顶孢,一种后生子囊菌,产生黑色棍棒状子实体。本文报道了中国毛翅菌属17种,其中包括1新种(毛翅菌M. longipilosa)和一个从变种到种(M. costaricensis)。在这里进行以下附加组合:M。alsopteris,M. amphidasyon,M. attenuatissima,M. cretata,M. grata,M. leucolepis,M. leucostica,M. longicaulis,M. pirrensis,M. praeceps,M. semihirsuta、半毛草M. steyermarkii,M. subtilis、M. taxifolia和M. zeledoniana。选择型被选择为Ctenopteris leucosticta,Polypodium amphidasyon和Polypodium pectinatum var.硬毛对于每个被接受的物种,提供了完整的同义词和地理范围。分类讨论提供了在以前的治疗中没有广泛认识的物种。
Mycopteris, a new genus of grammitid ferns, is described and combinations are made for the species that belong to it. Mycopteris is diagnosed by castaneous rhizome scales with turgid cells, usually pectinate laminae, blackish petioles and rachises, blackish pinna costae and veins, reddish setae, cretaceous hydathodes, glabrous sporangia, and the presence of Acrospermum ascomes. It is entirely neotropical, ranging from Mexico east into the West Indies and south to Bolivia. Mycopteris is one of two genera of grammitid ferns that are consistently associated with Acrospermum, an epibiotic ascomycete that produces black clavate fruiting bodies. Seventeen species of Mycopteris are recognized here, including one new species (M. longipilosa) and one elevated from the rank of variety to species (M. costaricensis). The following additional combinations are made here: M. alsopteris, M. amphidasyon, M. attenuatissima, M. cretata, M. grata, M. leucolepis, M. leucostica, M. longicaulis, M. pirrensis, M. praeceps, M. semihirsuta, M. steyermarkii, M. subtilis, M. taxifolia, and M. zeledoniana. Lectotypes are chosen for Ctenopteris leucosticta, Polypodium amphidasyon, and Polypodium pectinatum var. hispidum. For each accepted species, full synonymy and geographical range are provided. Taxonomic discussion is provided for species not widely recognized in previous treatments.