异精子门（Astraceae:Coreopsidae）的分类学修订1

IF 1.1 3区生物学 Q3 PLANT SCIENCES

Annals of the Missouri Botanical Garden Pub Date : 2019-11-20 DOI:10.3417/2019374

Mabel A. Lizarazu, S. Freire

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引用次数: 1

摘要

摘要新大陆异精子虫属。限定包括11个种：H.achaetum S.F.Blake、H.diversifolium Kunth、H.ferreyrii H.Rob。，H.mexicanum（A.Gray ex S.Watson）Lizarazu&S.E.Freire，H.nanum（Nutt.）Sherff，H.ovale S.F.Blake，H.ovatifolium Cav。，H.羽状茎。，H.spatulatum S.F.Blake、H.tenuisectum（Griseb.）Cabrera和H.trilobum S.F.Brake。异精子虫通常具有草本习性，羽状全裂或全叶，放射状头状花序和异形莎草。以下分类群是新的同义词：Coreopsis L.sect。Anathysana S.F.Blake与异精子细胞；H.maritimum Kunth var.hirsuta Hieron。与H.ovatifolium；和H.maritimum var.latifolia Hieron。与H.spatulatum。Lectypes在这里被指定为H.maritimum var.hirsuta、H.羽状茎、H.tagetinum A.Gray、H.spatulatum和H.Maritimm var.latifolia。提供了该属物种的钥匙，以及形态描述、插图和分布图。对毛状体和丘疹进行了详细的形态学研究。

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A Taxonomic Revision of Heterosperma (Asteraceae: Coreopsideae)1

Abstract The New World genus Heterosperma Cav. is circumscribed to include 11 species: H. achaetum S. F. Blake, H. diversifolium Kunth, H. ferreyrii H. Rob., H. mexicanum (A. Gray ex S. Watson) Lizarazu & S. E. Freire, H. nanum (Nutt.) Sherff, H. ovale S. F. Blake, H. ovatifolium Cav., H. pinnatum Cav., H. spathulatum S. F. Blake, H. tenuisectum (Griseb.) Cabrera, and H. trilobum S. F. Blake. Heterosperma is described as having a usually herbaceous habit, pinnatisect or entire leaves, radiate capitula, and heteromorphic cypselae. The following taxa are newly synonymized: Coreopsis L. sect. Anathysana S. F. Blake with Heterosperma; H. maritimum Kunth var. hirsuta Hieron. with H. ovatifolium; and H. maritimum var. latifolia Hieron. with H. spathulatum. Lectotypes are here designated for H. maritimum var. hirsuta, H. pinnatum, H. tagetinum A. Gray, H. spathulatum, and H. maritimum var. latifolia. A key to the species of the genus is provided, as well as morphological descriptions, illustrations, and distribution maps. A detailed morphological study of trichomes and pappus is also presented.

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来源期刊

Annals of the Missouri Botanical Garden 生物-植物科学

CiteScore

3.60

自引率

0.00%

发文量

期刊介绍： The Annals of the Missouri Botanical Garden is a quarterly international journal primarily devoted to systematic botany and evolutionary biology. We encourage submissions of original papers dealing with significant advances in the taxonomy, phylogeny, biogeography, paleobiology, and evolution of plants, and in conservation genetics and biology, restoration ecology, and ethnobiology, using morphological and/or molecular characters, field observations, and/or database information. We also welcome reviews and papers on conceptual issues and new methodologies in systematics. Important floristic works will also be considered. Symposium proceedings discussing a broader range of topical biological subjects are also published, typically once a year. All manuscripts are peer-reviewed by qualified and independent reviewers.