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首页> 外文期刊>Novon >Three New Varieties Of Packera Paupercula (asteraceae, Senecioneae) In Midwestern And Southeastern North America
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Three New Varieties Of Packera Paupercula (asteraceae, Senecioneae) In Midwestern And Southeastern North America

机译：北美中西部和东南部Packera Paupercula（菊科，千里眼科）的三个新品种

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摘要

We describe two new varieties of the North American species complex Packera paupercula (Michaux) A. Loeve & D. Loeve (Asteraceae, Senecioneae): variety savannarum R. R. Kowal from the American upper Midwest and variety appalachiana A. M. Mahoney from the southeastern United States. The new combination P. paupercula var. pseudotomentosa (Mackenzie & Bush) R. R. Kowal from the Midwest is also established. Because of their pubescence, these varieties have been previously included within a broadly circumscribed P. plaltensis (Nuttall) W. A. Weber & A. Loeve. Their recognilion is based on a biosystematic study, which included morphological and ecological observations in the field and in a transplant garden experiment, and chromosome counts.
机译：我们描述了北美物种复合物Packera paupercula（Michaux）A.Loeve和D.Loeve（菊科，千里光科）的两个新变种：来自美国中西部的热带稀树草原R.R.Kowal和来自美国东南部的appalachiana A.M. Mahoney。新的组合P. paupercula var。还建立了来自中西部的pseudotomentosa（Mackenzie＆Bush）R. R. Kowal。由于它们的短柔毛，这些变种先前已被包括在广泛限定的P. plaltensis（Nuttall）W. A. Weber＆A. Loeve中。他们的识别是基于一项生物系统研究，其中包括田间和移栽花园实验中的形态学和生态学观察以及染色体计数。

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