Nuytsia—The journal of the Western Australian Herbarium最新文献_第8页

Nowhere to be seen: Deyeuxia abscondita (Poaceae), a new but presumed extinct species from south-western Australia 无处可见:脱毛德叶霞(Poaceae)，一种来自澳大利亚西南部的新物种，但据推测已经灭绝

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-08-17 DOI: 10.58828/nuy00969

T. Macfarlane

{"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}

引用次数: 0

Gomphrena verecunda (Amaranthaceae), a modest new species from Western Australia’s arid zone 来自西澳大利亚干旱区的一种中等新种——红苋菜科

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-08-11 DOI: 10.58828/nuy00968

R. Davis

引用次数: 0

A new Wedding Bush from the eastern goldfields of Western Australia (Ricinocarpos digynus: Euphorbiaceae) 西澳大利亚东部金矿的一种新的婚礼灌木(Ricinocarpos digynus:大戟科)

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-08-04 DOI: 10.58828/nuy00967

J. Wege, M. Hislop

引用次数: 0

Out of the dark: Leptofauchea lucida (Rhodymeniales: Faucheaceae), a new red algal species from the Houtman Abrolhos, Western Australia 从黑暗中走出来:一种来自西澳大利亚Houtman Abrolhos的红藻新种Leptofauchea lucida(红藻亚纲:红藻科)

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-07-28 DOI: 10.58828/nuy00966

G. Saunders, J. Huisman

引用次数: 1

Formal naming of Bossiaea reptans (Fabaceae), an endangered species from the Warren region, Western Australia 来自西澳大利亚沃伦地区的一种濒临灭绝的物种——红腹爬行动物(豆科)的正式命名

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-07-21 DOI: 10.58828/nuy00965

R. Hearn, T. Macfarlane, J. H. Ross, J. Smith

引用次数: 0

Olearia adpressa (Asteraceae: Astereae), a new, geographically restricted species from shale breakaways in the Mid West of Western Australia 西澳大利亚中西部页岩断裂的一种地理上受限制的新种——油橄榄

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-07-14 DOI: 10.58828/nuy00964

M. Hislop

引用次数: 0

Styphelia capillaris (Ericaceae: Epacridoideae: Styphelieae), a formal name for a Critically Endangered species from Wandoo National Park 毛螺(毛蚶科:毛藻总科:毛藻总科)，是Wandoo国家公园的一种极度濒危物种的正式名称

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-07-07 DOI: 10.58828/nuy00980

M. Hislop

引用次数: 0

Description of the rare Goldfields Laceflower, Thryptomene planiflora (Myrtaceae) 稀有金带花(桃金娘科)的描述

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-06-30 DOI: 10.58828/nuy00962

B. Rye

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Remarkably unremarkable: Tecticornia enodis (Chenopodiaceae), a new samphire with smooth seeds from the arid interior of Western Australia 引人注目的是:雪蛙科(Chenopodiaceae)，一种来自西澳大利亚干旱内陆的新海参，种子光滑

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-06-23 DOI: 10.58828/nuy00961

K. Shepherd

{"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}

引用次数: 0

Following a path less trodden: the new apetalous species Cryptandra subtilis (Rhamnaceae) 走在一条很少有人走过的道路上:无瓣新种隐花草(鼠李科)

Nuytsia—The journal of the Western Australian Herbarium Pub Date : 2020-06-09 DOI: 10.58828/nuy00959

M. Hislop, B. Rye

引用次数: 0