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首页> 外文期刊>Nuytsia >Two new Western Australian species of Dmmmondita (Rutaceae: Boronieae) from banded ironstone ranges of the Yilgarn Craton
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Two new Western Australian species of Dmmmondita (Rutaceae: Boronieae) from banded ironstone ranges of the Yilgarn Craton

机译：西澳大利亚的两种新的Dmmmondita物种（芸苔科：Boronieae），来自Yilgarn Craton的带状铁矿石范围

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摘要

Two new species of Drummondita Harv. are described, both of which occur on rocky hillsides on the Yilgarn Craton of Western Australia. One of these, D. fulva A.S.Markey & R.A.Meissn., has close affinities to D. microphylla Paul G.Wilson but differs inhaving a reddish apiculus on the leaf apex, tawny new growth, and sub-orbicular, flattened sepals. The other, D. rubroviridis R.A.Meissn, is closely allied to D. wilsonii F.H.Mollemans, from which it is distinguished by a combination of spreading leaves, solitary, larger red flowers with green petal lobes, and a pointed apical leaf gland. Drummondita fulva, is relatively widespread, occurring on both Banded Iron Formation and associated metasedimentary rocks in the Yalgoo region, while D. rubroviridishas a restricted distribution and appears to be endemic to a single banded ironstone range in the Koolanooka Hills. A taxonomic description of these two new species, images and maps of their respective distributions are provided.
机译：Drummondita Harv的两个新种。描述了这两种情况，它们都发生在西澳大利亚的伊尔加恩克拉通的岩石山坡上。其中之一是D. fulva A.S. Markey＆R.A. Meissn。与小叶D. microphylla Paul G.Wilson有着相似的亲缘关系，但不同之处在于叶尖上有微红的api基，黄褐色的新生长和近圆形的扁平萼片。另一个是D. rubroviridis R.A. Meissn，与D.wilsonii F.H. Mollemans密切相关，其特点是散布的叶子，单生，较大的红色花朵和绿色的花瓣裂片，以及尖的顶端叶腺。 Drummondita fulva相对较普遍，发生在Yalgoo地区的带状铁层和相关的沉积沉积岩中，而D. rubroviridis的分布有限，似乎是Koolanooka Hills的单个带状铁矿石范围特有的。提供了这两个新物种的分类学描述，它们各自分布的图像和地图。

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