The small Neotropical tribe Liabeae (Compositae) is currently classified into four subtribes: Liabinae, Munnoziinae, Paranepheliinae, and Sinclairiinae. As currently accepted, Paranepheliinae includes seven genera, Chionoppapus, Erato, Microliabum, Paranephelius, Philoglossa, Pseudonoseris, and Stephanbeckia, distributed especially throughout the Andes from Venezuela and Colombia to Argentina. Our research focuses in the genus Microliabum, which inhabits extra‐Andean enviroments from Bolivia to central Argentina. The broad concept of Microliabum and its phylogenetic position within Paranepheliinae are controversial. Bayesian and maximum parsimony analyses of ribosomal nuclear ITS and plastid trnL‐F suggest that both subgenera described within Microliabum are monophyletic. However, Microliabum, without the subgenus Austroliabum, is close to Stephanbeckia. A statistical analysis (PCoA) supports the separation of the subgenera, and morphology mainly based on traits of the involucre and florets permits to establish new taxonomical circumscriptions. Thus, the reinstatement of Austroliabum, the more southern Liabean genus, is here proposed. The genus includes three endemic species from Sub‐Andean and Pampean Hills in central and northwestern Argentina. Austroliabum is characterized by white‐tomentose or woolly pubescence on stems and abaxial leaf surfaces, acrodromous leaf venation, campanulate involucres, coriaceous and adpressed phyllaries in usually five series, outer phyllaries shorter than the inner ones, style branches of disc florets shorter than the pubescent part on the shaft below the bifurcation point, style pubescence on the shaft below the bifurcation point of disc florets at least three times longer than the branches of the style, persistent 2‐seriate pappus with outer series of scales and inner series of barbellate bristles, and achenes pubescent on the ribs. In addition, a revision of Microliabum s.str., with three species, is carried out.

中文翻译：

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南美小lia（菊科，藤本植物，副ne科）的形态和分子分析以及金丝桃属植物的修复

小型新热带部落藤本科（菊科）目前分为四个亚族：藤本科，芒诺子科，副对li科和辛克拉里科。作为目前公认的，Paranepheliinae包括七个属，Chionoppapus，雷托，Microliabum，Paranephelius，Philoglossa，Pseudonoseris和Stephanbeckia，尤其是在整个安第斯山脉，从委内瑞拉和哥伦比亚阿根廷分布。我们的研究主要集中在Microliabum属中，它生活在从玻利维亚到阿根廷中部的安第斯山脉外环境。小胶粒的广泛概念其在副肾菌科内的系统发育位置是有争议的。对核糖体核ITS和质体trnL - F的贝叶斯分析和最大简约分析表明，在小胶粒中描述的两个亚属都是单系的。然而，Microliabum，没有亚属Austroliabum，靠近Stephanbeckia。统计分析（PCoA）支持亚属的分离，形态学主要基于总luc和小花的性状允许建立新的分类学界限。因此，恢复金莲花这里提出了更南部的Liabean属。该属包括来自阿根廷中部和西北部的安第斯山脉和潘邦山脉的三种特有物种。金莲花其特征是茎和背面叶表面具白色绒毛或羊毛短柔毛，顶生叶脉，钟状总vo，cor皮和被压实的叶脉通常五个系列，外叶柄短于内叶，盘状小花柱状花序短于短柔毛部分在分叉点以下的轴上，花盘小花的分叉点以下的轴上的花柱短柔至少比花柱的分支长三倍，具有持久的鳞状硬毛的2-系列具外部鳞片和内部系列的带杠铃的刚毛，和瘦骨在肋骨上短柔毛。此外，还对三种类型的Microliabum s.str。进行了修订。