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Notes on Justicia sect. Monechma (Acanthaceae) in Angola, including two new species 标题安哥拉刺麻科刺麻科刺麻组记述,包括两新种
Pub Date : 2019-09-30 DOI: 10.3767/BLUMEA.2019.64.02.01
I. Darbyshire, D. Goyder
Two new species of Justicia sect. Monechma, Justicia cubangensis and J. eriniae, are described from Angola. Their affinities are reviewed, together with a discussion on the correct generic name to apply to these species. A conspectus of Justicia sect. Monechma 'Group I' in Angola is presented, including a key to the species and notes on habitat and distribution for each taxon. Two new combinations and one new name are provided for species for which there was no previous name available in Justicia, and lectotypes are proposed for four names. Twelve species are recognised in this group in total, eight of which are currently believed to be endemic to Angola. Justicia subsessilis is recorded in Angola for the first time, and J. laeta is placed in sect. Monechma, having previously been tentatively referred to sect. Tyloglossa. Monechma carrissoi is considered to be conspecific with J. virgultorum and so is synonymised here. In addition, the botanical importance of the type locality of J. cubangensis, the Cuchi River gorge of the Cubango drainage, is highlighted and two further new provincial records for Cuando Cubango are noted from this site: Eriocaulon angustibracteum (Eriocaulaceae) and Crepidorhopalon schweinfurthii (Linderniaceae).
报道了安哥拉朱司法科两新种:古巴朱司法科和eriniae朱司法科。对它们的亲缘关系进行了回顾,并讨论了适用于这些物种的正确属名。本文介绍了一份安哥拉Monechma 'Group I' Justicia sect. Monechma 'Group I'概述,包括该物种的一个关键字以及每个分类单元的栖息地和分布注释。对于在Justicia中没有名称的种,提出了2个新的组合和1个新的名称,并提出了4个名称的选择类型。在这个群体中总共有12个物种被确认,其中8个目前被认为是安哥拉特有的。在安哥拉首次记录到亚sessilis, jj . laeta被归入Monechma节,以前曾暂定归入Tyloglossa节。卡瑞索被认为是同种的,因此在这里是同义词。此外,还强调了库班戈流域库赤河峡库班戈类型产地的植物学重要性,并在该遗址上发现了两个新的库班戈省记录:Eriocaulon angustibracteum (Eriocaulaceae)和Crepidorhopalon schweinfurthii (Linderniaceae)。
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引用次数: 8
Three new species of Lythraceae and one new species of Stemonaceae described from Indochina
Pub Date : 2019-09-30 DOI: 10.3767/BLUMEA.2019.64.02.08
W. D. Wilde, B. Duyfjes
Formal description of some new taxa from Indochina include in Lythraceae a new species of Lagerstroemia, L. poilanei W.J.de Wilde & Duyfjes with two varieties, var. poilanei andvar. grandis W.J.de Wilde & Duyfjes, two new species of Rotala, R. saxatilis W.J.de Wilde & Duyfjes and R. protracta W.J.de Wilde & Duyfjes and a new variety of Rotala indica, Rotala indica (Willd.) Koehne var. minima W.J.de Wilde & Duyfjes. In Stemonaceae a new species, Stemona hirtella W.J.de Wilde & Duyfjes, is described.
Rotala的两个新种,r.s axatilis w.j.d Wilde & Duyfjes和r.g protracta w.j.d Wilde & Duyfjes和Rotala indica(野生)。w.j.d Wilde & Duyfjes。本文报道了一新种——山菖蒲科山菖蒲属(Stemona hirtella W.J.de Wilde & Duyfjes)。
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引用次数: 1
Schisandra cauliflora (Schisandraceae), a new species from Vietnam 标题越南五味子属(五味子科)一新种
Pub Date : 2019-09-30 DOI: 10.3767/blumea.2019.64.02.09
N. T. Cuong, D. Hai, N. Q. Hưng, M. H. Dat
Schisandra cauliflora, a new species found in northern Vietnam and described here is referable to Schisandra subg. Sphaerostema. A morphological comparison with related species, and a key to species in the subgenus is provided. A description including details of distribution and habitat is supplemented with a line-drawing.
五味子(Schisandra cauliflora),越南北部一新种,属五味子亚科。Sphaerostema。提供了与近缘种的形态比较,并提供了亚属中种的关键。包括分布和栖息地细节的描述以划线补充。
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引用次数: 2
A revision of the Crepidorhopalon whytei complex (Linderniaceae) in eastern Africa 文章题目非洲东部的白石蕨复合体的修订
Pub Date : 2019-09-30 DOI: 10.3767/BLUMEA.2019.64.02.07
I. Darbyshire, B. Wursten, Q. Luke, E. Fischer
The Crepidorhopalon whytei (Linderniaceae) species complex is revised using morphological analyses. Based primarily on variations in indumentum, floral morphology, corolla colour and seed morphology, four species are formally recognised within this group in eastern Africa. Crepidorhopalon whytei s.str. is widespread in the highlands of eastern Africa, extending from South Sudan and Ethiopia in the north through to western Tanzania in the south. A new combination in Crepidorhopalon is made for Lindernia flava (= C. flavus), which is confined to the Manica Highlands of the Mozambique-Zimbabwe border. Two new species are described, C. namuliensis which is known only from Mt Namuli in northern Mozambique and C. kwaleensis which is known only from the coastal lowlands of southeast Kenya. A fifth, imperfectly known species is documented from the Nguru Mountains of Tanzania where it is so far known from a single collection. Three names are lectotypified. The habitat requirements and distribution are documented and the extinction risk is assessed for each species. Crepidorhopalon flavus is assessed as globally Vulnerable and C. kwaleensis as globally Endangered, while C. namuliensis and C. whytei are currently considered to be of Least Concern, although the latter is declining markedly in parts of its range. The botanical importance of the key sites for the newly recognised taxa is discussed.
利用形态学分析订正了白麻麻(Linderniaceae)种复合体。主要根据毛被、花形态、花冠颜色和种子形态的变化,在非洲东部的这一组中正式承认了四个物种。白颊龙。分布在非洲东部的高地,从北部的南苏丹和埃塞俄比亚一直延伸到南部的坦桑尼亚西部。Crepidorhopalon的一种新组合是为Lindernia flava (= C. flavus)制成的,它局限于莫桑比克-津巴布韦边境的马尼亚高地。描述了两种新物种,仅在莫桑比克北部的Namuli山已知的C. namuliensis和仅在肯尼亚东南部沿海低地已知的C. kwaleensis。第五个不完全为人所知的物种是在坦桑尼亚的恩古鲁山记录下来的,到目前为止,人们只从一个标本中知道它。三个名字是典型的。记录了每个物种的栖息地要求和分布,并评估了每个物种的灭绝风险。黄Crepidorhopalon flavus被评估为全球易危物种,C. kwaleensis被评估为全球濒危物种,而C. namuliensis和C. whytei目前被认为是最不受关注的物种,尽管后者在其部分分布范围内正在显著减少。讨论了新发现分类群的关键地点的植物学意义。
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引用次数: 2
A revision of Scleria (Cyperaceae) in Madagascar 标题马达加斯加苏柏属植物订正
Pub Date : 2019-09-23 DOI: 10.3767/blumea.2019.64.03.01
J. Díaz, K. Bauters, L. Rabarivola, Martin Xanthos, P. Goetghebeur, I. Larridon
A taxonomic revision of the genus Scleria (Cyperoideae, Cyperaceae) in Madagascar is presented. Herbarium specimens have been examined and 422 identified to species level. Our results recognise 25 species of Scleria from Madagascar, plus an additional heterotypic variety. Eight species are endemic to Madagascar, two are near endemic, eight taxa are also found on mainland Africa, and eight are widespread tropical taxa. Scleria achtenii is reported from Madagascar for the first time, and S. rosea is accepted at species level instead of being considered as a synonym of S. trialata. Distribution maps, conservation assessments, and notes on synonymy, ecology and ethnobotany are provided. Fourty-seven names are typified. Three rare endemic species: S. andringitrensis, S. madagascariensis and S. perpusilla, are assessed as threatened; and a recently described species, S. ankaratrensis, is indicated as Data Deficient. The most species-rich infrageneric taxa, sections Hypoporum, Abortivae and Foveolidia include 18 taxa in total, and showed strong differences in habitat preference.
摘要对马达加斯加苏柏属(苏柏科,苏柏总科)进行了分类修订。对植物标本室标本进行了检查,并鉴定出422个物种。我们的结果识别了来自马达加斯加的25种巩膜菌,外加一个额外的异型品种。8种是马达加斯加特有的,2种是接近特有的,8个分类群也在非洲大陆发现,8个是广泛分布的热带分类群。本文首次报道了来自马达加斯加的achtenii sccleria, rosesea在种水平上被接受,而不是被认为是S. trialata的同义词。分布图,保护评估,并说明同义词,生态学和民族植物学提供。47个名字是典型的。3种珍稀特有种:S. andringitrensis、S. madagascar和S. perpusilla被评估为受威胁物种;而最近发现的一个物种ankaratrensis则被认为数据不足。植物种类最丰富的低孔区(Hypoporum)、Abortivae区和Foveolidia区共18个,生境偏好差异较大。
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引用次数: 6
The tuberous epiphytes of the Rubiaceae 7: a revision of the genus Hydnophytum 茜草科7的块茎附生植物:水草属的修订
Pub Date : 2019-06-30 DOI: 10.3767/BLUMEA.2019.64.01.02
M. Jebb, C. Huxley
Hydnophytum (Psychotrieae Hydnophytinae) is revised. A key is provided, and an informal infrageneric grouping is proposed. Variation in tuber structure is discussed. Fifty-five species are recognised, of which 19 are described as new. For one species a number of varieties are also described. Forty-four species are found in New Guinea, of which 41 are endemic. The recent transfer of a number of taxa into an expanded concept of Squamellaria based on a molecular phylogeny is addressed. Three taxa of Squamellaria are included in this revision to complete the series of papers on the tuberous epiphytes of the Rubiaceae.
对水生植物科(psychotriae hynophytinae)进行了修订。给出了一个密钥,并提出了一个非正式的非通用分组。讨论了块茎结构的变异。55个物种被确认,其中19个被描述为新物种。对于一个物种,还描述了许多变种。在新几内亚发现了44种,其中41种是当地特有的。最近的一些分类群转移到一个扩大的概念鳞状纲基于分子系统发育是解决。本次修订包括了三个鳞状属分类群,以完成关于茜草科块茎附生植物的系列论文。
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引用次数: 4
The Euploca baclei complex (Boraginaceae subfam. Heliotropioideae)
Pub Date : 2019-06-30 DOI: 10.3767/BLUMEA.2019.64.01.03
E. Simons, J. Wieringa
In order to recognise both taxa previously regarded as varieties of Heliotropium baclei, nowadays classified in Euploca, a new combination is necessary. As the two varieties are clearly separable in terms of morphology and biogeography, we propose to raise these varieties to the species level, for which the new combination Euploca katangensis needs to be created. Moreover, we propose the new combination Euploca madagascariensis for Heliotropium madagascariense, a species from Madagascar considered by some as conspecific with H. baclei, but treated here as distinct. For these three species with beaked fruits, constituting the ‘Euploca baclei complex’, a key and a distribution map, based on revised herbarium specimens, is given. Two additional combinations, Euploca bullockii and Euploca sessilistigma are made to complete the transfer of tropical African Heliotropium species that belong in Euploca.
为了识别这两个以前被认为是现在在欧洲分类的Heliotropium baclei变种的分类群,需要一个新的组合。由于这两个品种在形态和生物地理上具有明显的可分离性,我们建议将这两个品种提升到种的水平,为此需要创建新的组合加丹桉(Euploca katangensis)。此外,我们提出了马达加斯加Heliotropium Madagascar的新组合Euploca Madagascar,这是一个来自马达加斯加的物种,被一些人认为与H. baclei同源,但在这里被视为不同的物种。对于这三个具有喙状果实的物种,构成了“Euploca baclei复合体”,给出了基于修订的植物标本馆标本的钥匙和分布图。另外两个组合Euploca bullockii和Euploca sessilistigma完成了属于Euploca的热带非洲Heliotropium物种的转移。
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引用次数: 1
Taxonomy and evolutionary history of the neotropical fern genus Salpichlaena (Blechnaceae) 新热带桫椤属(蕨科)的分类及进化历史
Pub Date : 2019-06-30 DOI: 10.3767/BLUMEA.2018.64.01.01
Glenda Cárdenas, S. Lehtonen, H. Tuomisto
Salpichlaena is a distinctive fern genus characterised by 2-pinnate climbing fronds with indeterminate growth. The number of species in the genus has been a matter of debate. Taxonomic studies are made difficult by within-frond variability in pinna morphology and size, and by herbarium material being incomplete. We systematically documented 62 morphological traits in 283 herbarium specimens and sequenced 52 Salpichlaena and 11 outgroup specimens. DNA sequences included plastid genes (rbcL, rpoC1 and rps4), intergenic spacers (rps4-trnS, trnHpsbA and trnG-trnR) and a nuclear gene (pgiC). Phylogenetic analyses based on the plastid markers divided the samples into six major clades. We recognise the three deepest clades as distinct species (S. hookeriana, S. papyrus sp. nov. and S. volubilis), and each of the four shallower clades as a subspecies of S. volubilis. Furthermore, we suggest that a group of specimens, placed into different clades in the plastid and nuclear trees and showing mixed morphological characters, represent a fourth species of hybrid origin (S. hybrida sp. nov.). The most important diagnostic characters are: degree of lamina reduction in fertile pinnules; pinna/pinnule apex incisions, pinna/pinnule margin thickness and lamina texture in sterile pinna/pinnules; presence or absence of foliar buds; shape of scales; and the appearance of the abaxial surface of the lamina (uniform or with stomata on small white protuberances). Each of the four species can be identified by several diagnostic characters, and their geographical ranges are broad and partly overlapping. In contrast, the subspecies are mostly allopatric and their morphological limits are diffuse.
Salpichlaena是一种独特的蕨类植物属,其特征是2羽状攀缘叶,生长不确定。该属的物种数量一直是一个有争议的问题。由于耳廓形态和大小的叶内变异,以及植物标本室资料的不完整,使得分类研究变得困难。我们系统地记录了283份植物标本的62个形态特征,并对52份Salpichlaena和11份外群标本进行了测序。DNA序列包括质体基因(rbcL、rpoC1和rps4)、基因间间隔基因(rps4- trns、trnHpsbA和trnG-trnR)和一个核基因(pgiC)。基于质体标记的系统发育分析将样品分为6个主要支系。我们认为三个最深的分支是不同的物种(S. hookeriana, S. papyrus sp. 11和S. volubilis),而四个较浅的分支都是S. volubilis的亚种。此外,我们认为一组在质体和核桃树中被放置在不同分支中并表现出混合形态特征的标本代表了杂交起源的第四种(S. hybrida sp. nov.)。最重要的诊断特征是:可育小叶片减少的程度;在不育的耳廓/小穗中,耳廓/小穗先端切口,耳廓/小穗边缘厚度和层状纹理;叶芽存在或不存在;鳞片形状;叶片背面的外观(均匀或在白色的小突起上有气孔)。这四种植物均可通过若干诊断特征加以识别,它们的地理分布范围广泛且部分重叠。亚种多为异域分布,形态界限分散。
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引用次数: 6
Erratum to 'The genus Dicksonia (Dicksoniaceae-Cyatheales) in western Malesia' 马来西亚西部的Dicksonia属(Dicksonia科- cyatheales)的勘误
Pub Date : 2019-06-30 DOI: 10.3767/BLUMEA.2019.64.01.04
M. Lehnert, F. Coritico
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引用次数: 0
On the 80th birthday of Paul J.M. Maas 在保罗·马斯80岁生日那天
Pub Date : 2019-02-27 DOI: 10.3767/BLUMEA.2019.64.01.00
R. Erkens, H. Steege
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引用次数: 0
期刊
Blumea - Biodiversity, Evolution and Biogeography of Plants
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