On 8th December 1877 Ferdinand von Mueller travelled from Bunbury to the Balingup area of Western Australia during a survey for a report on the forest resources for the government (Mueller 1879). A grass collected that day from ‘Preston River’ (Figure 1) or ‘Blackwood and Preston Rivers’, as stated on two different handwritten labels, lay unidentified even to genus for more than a hundred years until assigned to Deyeuxia Clarion ex P.Beauv. by N. Walsh in 1987. A second specimen remained unidentified for a further period until tentatively suggested to be Lachnagrostis Trin. by A.J. Brown in 2002 or Dichelachne Endl. by Walsh and Brown in 2003. When I was consulted as to whether the plant was known or a placement could be suggested, I could not recognise it and was unable to find a match in the collections at the Western Australian Herbarium (PERTH), but considered that Pentapogon R.Br. was another possible genus placement. Upon further, more detailed examination of its spikelets, I have concluded that it does indeed belong in Deyeuxia. Field work has so far failed to discover any live plants so it must be presumed to be extinct. It is formally described here to draw it to the attention of people who might look for it, enable its recognition if rediscovered, and to place on record the characteristics of this lost element of biodiversity.
1877年12月8日，费迪南德·冯·穆勒(Ferdinand von Mueller)在为政府的森林资源报告进行调查期间，从班伯里(Bunbury)前往西澳大利亚的Balingup地区(Mueller 1879)。当天从“普雷斯顿河”(图1)或“布莱克伍德和普雷斯顿河”中采集的草，正如两个不同的手写标签所述，一百多年来一直未被确定为属，直到被指定为Deyeuxia Clarion ex . P.Beauv。N. Walsh在1987年写的。第二个标本在之后的一段时间内一直未被确认，直到被初步认为是Lachnagrostis Trin。A.J. Brown在2002年或Dichelachne Endl。由沃尔什和布朗于2003年完成。当我被问及这种植物是否为人所知或是否可以建议放置时，我无法认出它，也无法在西澳大利亚植物标本馆(PERTH)的收藏中找到匹配的植物，但认为五角龙R.Br。是另一种可能的属位。在对它的小穗进行更详细的研究后，我得出结论，它确实属于德野峡。到目前为止，野外工作没有发现任何活的植物，因此必须假定它已经灭绝了。这里对它进行正式描述是为了引起人们的注意，使人们在重新发现它时能够认识它，并记录下这种失去的生物多样性元素的特征。
{"title":"Nowhere to be seen: Deyeuxia abscondita (Poaceae), a new but presumed extinct species from south-western Australia","authors":"T. Macfarlane","doi":"10.58828/nuy00969","DOIUrl":"https://doi.org/10.58828/nuy00969","url":null,"abstract":"On 8th December 1877 Ferdinand von Mueller travelled from Bunbury to the Balingup area of Western Australia during a survey for a report on the forest resources for the government (Mueller 1879). A grass collected that day from ‘Preston River’ (Figure 1) or ‘Blackwood and Preston Rivers’, as stated on two different handwritten labels, lay unidentified even to genus for more than a hundred years until assigned to Deyeuxia Clarion ex P.Beauv. by N. Walsh in 1987. A second specimen remained unidentified for a further period until tentatively suggested to be Lachnagrostis Trin. by A.J. Brown in 2002 or Dichelachne Endl. by Walsh and Brown in 2003. When I was consulted as to whether the plant was known or a placement could be suggested, I could not recognise it and was unable to find a match in the collections at the Western Australian Herbarium (PERTH), but considered that Pentapogon R.Br. was another possible genus placement. Upon further, more detailed examination of its spikelets, I have concluded that it does indeed belong in Deyeuxia. Field work has so far failed to discover any live plants so it must be presumed to be extinct. It is formally described here to draw it to the attention of people who might look for it, enable its recognition if rediscovered, and to place on record the characteristics of this lost element of biodiversity.","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114413605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The new species of Gomphrena L. described below was first collected by David William Goodall in 1965; however, it wasn’t recognised as a potential new species for another 30 years (Ray Cranfield in sched.) and Palmer (1998) does not appear to have viewed any material during her revision of the genus in Australia. Targeted field work was recently conducted to obtain type material and enable its taxonomic status as a distinct species to be confirmed.
下面描述的Gomphrena L.新种由David William Goodall于1965年首次收集;然而，在接下来的30年里，它没有被认为是一个潜在的新物种(Ray Cranfield in sched.)， Palmer(1998)在澳大利亚修订该属时似乎没有看到任何材料。最近进行了有针对性的野外工作，以获得模式材料并使其作为独特物种的分类地位得到确认。
{"title":"Gomphrena verecunda (Amaranthaceae), a modest new species from Western Australia’s arid zone","authors":"R. Davis","doi":"10.58828/nuy00968","DOIUrl":"https://doi.org/10.58828/nuy00968","url":null,"abstract":"The new species of Gomphrena L. described below was first collected by David William Goodall in 1965; however, it wasn’t recognised as a potential new species for another 30 years (Ray Cranfield in sched.) and Palmer (1998) does not appear to have viewed any material during her revision of the genus in Australia. Targeted field work was recently conducted to obtain type material and enable its taxonomic status as a distinct species to be confirmed.","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114098943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ricinocarpos digynus Hislop & Wege is the first addition to Ricinocarpos Desf. (Euphorbiaceae: Ricinocarpeae: Ricinocarpinae) since Halford and Henderson’s (2007) taxonomic revision in which 28 species were recognised, all of them endemic to Australia. As part of this study, Halford determined a single specimen of R. digynus (J. Bale 313), collected from the Kambalda area in 1966, as R. stylosus Diels s. lat. with a notation that the specimen was atypical in its ‘longer leaves and spreading rather than appressed petioles’. That it was not confirmed to represent a new taxon at this time is unsurprising since the material not only lacks fruit but the female flowers are in early bud. The recent discovery of a second population on a mining lease north of Kalgoorlie by Andrea Williams of Botanica Consulting, and her repeated site visits to obtain fruiting material, has assisted its taxonomic resolution. We describe this new and distinctive species below, bringing the number of Western Australian Ricinocarpos species to 19 (Western Australian Herbarium 1998–) of which seven are conservation-listed (Smith & Jones 2018).
{"title":"A new Wedding Bush from the eastern goldfields of Western Australia (Ricinocarpos digynus: Euphorbiaceae)","authors":"J. Wege, M. Hislop","doi":"10.58828/nuy00967","DOIUrl":"https://doi.org/10.58828/nuy00967","url":null,"abstract":"Ricinocarpos digynus Hislop & Wege is the first addition to Ricinocarpos Desf. (Euphorbiaceae: Ricinocarpeae: Ricinocarpinae) since Halford and Henderson’s (2007) taxonomic revision in which 28 species were recognised, all of them endemic to Australia. As part of this study, Halford determined a single specimen of R. digynus (J. Bale 313), collected from the Kambalda area in 1966, as R. stylosus Diels s. lat. with a notation that the specimen was atypical in its ‘longer leaves and spreading rather than appressed petioles’. That it was not confirmed to represent a new taxon at this time is unsurprising since the material not only lacks fruit but the female flowers are in early bud. The recent discovery of a second population on a mining lease north of Kalgoorlie by Andrea Williams of Botanica Consulting, and her repeated site visits to obtain fruiting material, has assisted its taxonomic resolution. We describe this new and distinctive species below, bringing the number of Western Australian Ricinocarpos species to 19 (Western Australian Herbarium 1998–) of which seven are conservation-listed (Smith & Jones 2018).","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123446165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The red algal genus Leptofauchea Kylin has a vegetative anatomy akin to Rhodymenia Greville (i.e. with flattened branches and structurally with a pseudoparenchymatous medulla and cortex), but with cystocarps incorporating a tela arachnoidea (a weft of stellate cells lining the inner wall of the pericarp). The genus was based on L. nitophylloides (J.Agardh) Kylin from Port Jackson, Australia, and currently includes ten species (Guiry & Guiry 2019).
{"title":"Out of the dark: Leptofauchea lucida (Rhodymeniales: Faucheaceae), a new red algal species from the Houtman Abrolhos, Western Australia","authors":"G. Saunders, J. Huisman","doi":"10.58828/nuy00966","DOIUrl":"https://doi.org/10.58828/nuy00966","url":null,"abstract":"The red algal genus Leptofauchea Kylin has a vegetative anatomy akin to Rhodymenia Greville (i.e. with flattened branches and structurally with a pseudoparenchymatous medulla and cortex), but with cystocarps incorporating a tela arachnoidea (a weft of stellate cells lining the inner wall of the pericarp). The genus was based on L. nitophylloides (J.Agardh) Kylin from Port Jackson, Australia, and currently includes ten species (Guiry & Guiry 2019).","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128370516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Formal naming of Bossiaea reptans (Fabaceae), an endangered species from the Warren region, Western Australia","authors":"R. Hearn, T. Macfarlane, J. H. Ross, J. Smith","doi":"10.58828/nuy00965","DOIUrl":"https://doi.org/10.58828/nuy00965","url":null,"abstract":"","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123959247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Olearia adpressa (Asteraceae: Astereae), a new, geographically restricted species from shale breakaways in the Mid West of Western Australia","authors":"M. Hislop","doi":"10.58828/nuy00964","DOIUrl":"https://doi.org/10.58828/nuy00964","url":null,"abstract":"","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132503180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Styphelia capillaris (Ericaceae: Epacridoideae: Styphelieae), a formal name for a Critically Endangered species from Wandoo National Park","authors":"M. Hislop","doi":"10.58828/nuy00980","DOIUrl":"https://doi.org/10.58828/nuy00980","url":null,"abstract":"","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129586166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Description of the rare Goldfields Laceflower, Thryptomene planiflora (Myrtaceae)","authors":"B. Rye","doi":"10.58828/nuy00962","DOIUrl":"https://doi.org/10.58828/nuy00962","url":null,"abstract":"","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"217 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127656926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
With their succulent, bead-like stems and uncharismatic, sac-like flowers with a single anther and ovary, salt-loving species in the genus Tecticornia Hook.f. (subfam. Salicornioideae Ulbr., Chenopodiaceae) have few obvious diagnostic features. Indeed, they could be considered a ‘taxonomic nightmare’, a phrase coined by experts to describe other species in the closely related genus Salicornia L. (Kadereit et al. 2007). Commonly known as samphires, these plants can exhibit considerable morphological plasticity when grown under different conditions (Ungar 1987). They are also genetically problematic as DNA sequence variation is relatively low, likely due to the relatively recent evolution and rapid radiation of the group. The presence of hybrids and polyploids pose further significant challenges (Shepherd & Yan 2003; Shepherd et al. 2004; Kadereit et al. 2006; Piirainen et al. 2017). Seed coat ornamentation is often useful for identification, particularly among the soft-fruited species of the genus (Wilson 1980; Shepherd et al. 2005); however, seeds are seasonally limited, very small (usually less than 2 mm long), and best observed under a microscope. As a result, the accurate identificaion of plants, particularly sterile specimens, can be very challenging.
具有多肉的珠状茎和无魅力的囊状花，单花药和单子房，喜盐的Tecticornia Hook.f。(subfam。Salicornioideae Ulbr。Chenopodiaceae)没有明显的诊断特征。事实上，它们可以被认为是“分类学上的噩梦”，这是专家们创造的一个词，用来描述与水蛭属密切相关的其他物种(Kadereit et al. 2007)。这些植物通常被称为海参，在不同的条件下生长时，可以表现出相当大的形态可塑性(Ungar 1987)。它们在遗传上也存在问题，因为DNA序列变异相对较低，这可能是由于该群体相对较新的进化和快速的辐射。杂交和多倍体的存在带来了进一步的重大挑战(Shepherd & Yan 2003;Shepherd等人，2004;Kadereit et al. 2006;Piirainen et al. 2017)。种皮纹饰通常对识别有用，特别是在软果属物种中(Wilson 1980;Shepherd等人，2005);然而，种子受季节限制，非常小(通常小于2毫米长)，最好在显微镜下观察。因此，准确鉴定植物，特别是无菌标本，可能是非常具有挑战性的。
{"title":"Remarkably unremarkable: Tecticornia enodis (Chenopodiaceae), a new samphire with smooth seeds from the arid interior of Western Australia","authors":"K. Shepherd","doi":"10.58828/nuy00961","DOIUrl":"https://doi.org/10.58828/nuy00961","url":null,"abstract":"With their succulent, bead-like stems and uncharismatic, sac-like flowers with a single anther and ovary, salt-loving species in the genus Tecticornia Hook.f. (subfam. Salicornioideae Ulbr., Chenopodiaceae) have few obvious diagnostic features. Indeed, they could be considered a ‘taxonomic nightmare’, a phrase coined by experts to describe other species in the closely related genus Salicornia L. (Kadereit et al. 2007). Commonly known as samphires, these plants can exhibit considerable morphological plasticity when grown under different conditions (Ungar 1987). They are also genetically problematic as DNA sequence variation is relatively low, likely due to the relatively recent evolution and rapid radiation of the group. The presence of hybrids and polyploids pose further significant challenges (Shepherd & Yan 2003; Shepherd et al. 2004; Kadereit et al. 2006; Piirainen et al. 2017). Seed coat ornamentation is often useful for identification, particularly among the soft-fruited species of the genus (Wilson 1980; Shepherd et al. 2005); however, seeds are seasonally limited, very small (usually less than 2 mm long), and best observed under a microscope. As a result, the accurate identificaion of plants, particularly sterile specimens, can be very challenging.","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"267 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123250752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Following a path less trodden: the new apetalous species Cryptandra subtilis (Rhamnaceae)","authors":"M. Hislop, B. Rye","doi":"10.58828/nuy00959","DOIUrl":"https://doi.org/10.58828/nuy00959","url":null,"abstract":"","PeriodicalId":415779,"journal":{"name":"Nuytsia—The journal of the Western Australian Herbarium","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128585381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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