Works on Plant Parasitism and Resistance

Published research works tagged with the topic “Plant Parasitism and Resistance”.

328 works

Showing 151 to 200 of 328 works

An account of the genus Cistanche (Orobanchaceae) in Iraq and taxonomic considerations in the Middle East

Species limits in the genus Cistanche are poorly understood, despite the plants’ long history of use in traditional herbal medicine and food across their range. Here we present a …

Melanoseris penghuana (Lactucinae, Cichorieae, Asteraceae), a new species from North-central Yunnan, China

In this paper, we describe a new species, Melanoseris penghuana, from Mt. Jiaozi Xueshan located in North-central Yunnan, China. Despite its morphological similarities to M. likia…

A new species of Veronica (Plantaginaceae) from Western Iran

A new species, Veronica kurdistanica (Plantaginaceae), is described and illustrated. It grows on limestone cliffs in mountainous alpine areas of western Iran (Kurdistan province).…

Hypericum liboense (Hypericaceae), a new species from Guizhou, China

Hypericum liboense M.T.An & T.R.Wu, sp. nov. (Hypericaceae) is a newly described species found in the Maolan National Nature Reserve of Guizhou Province, where it grows in rocky h…

Melanoseris kangdingensis (Lactucinae, Cichorieae, Asteraceae), a new species reported from western Sichuan, China

Melanoseris kangdingensis, a new species native to western Sichuan, China, is firstly described and illustrated, and its conservation status is also assessed. It bears resemblance…

First record of the genus Camptotheca (Nyssaceae) in Vietnam and the lectotypification of C. acuminata

As a primary source of anticancer camptothecin, Camptotheca (Nyssaceae) is an economically valuable genus and has long been recorded as endemic to China. Here, Camptotheca is repo…

Paraboea zunyiensis (Gesneriaceae), a new species from north Guizhou, China

A new lithophytic species, Paraboea zunyiensis T.Deng, F.Wen & R.B.Zhang (Gesneriaceae), inhabiting Karst rocks in northern Guizhou, China, is introduced and depicted in this stud…

Ardisia krauensis, a new species of Primulaceae (Myrsinoideae) from Peninsular Malaysia

Ardisia krauensis, a new species of Primulaceae from Peninsular Malaysia, is described and illustrated. The new species is assignable into subgenus (§) Pyrgus on account of specia…

Lithocarpus tapanuliensis (Fagaceae), a new stone oak from northern Sumatra and its role as an important resource for …

A new species of stone oak, Lithocarpus tapanuliensis Harapan, W.H.Tan, Nurainas & Strijk from South Tapanuli, North Sumatra, Indonesia is described. We provide colour photographs…

Ardisia recurvipetala (Primulaceae-Myrsinoideae), a new species from northern Peninsular Malaysia

Recent fieldwork in Terengganu, Peninsular Malaysia, resulted in the collection of an endemic new species of Ardisia, described here as Ardisia recurvipetala Julius, Siti-Munirah …

A new lithophilous species of Gesneriaceae, Petrocodon rubrostriatus, from the karst area of South Yunnan, China

A new lithophytic species of Gesneriaceae, Petrocodon rubrostriatus K.Tan, X.Q.Song & M.X.Ren, sp. nov. from Lvchun County, South Yunnan, China, is described and illustrated here.…

Amanoa condorensis (Phyllanthaceae), a new shrubby species from the Cordillera del Condor in southern Ecuador

A new species of Amanoa (Phyllanthaceae) is described from the sandstone Nangaritza Plateau in the Cordillera del Cóndor Region in southern Ecuador. Amanoa condorensis J.L.Clark &…

Primulina jiulianshanensis, a new species of Gesneriaceae from Jiangxi Province, China

Primulina jiulianshanensis F.Wen & G.L.Xu, a new species of Gesneriaceae from Jiulianshan National Nature Reserve of Jiangxi Province, China, is described and illustrated here. Mo…

A new species of Struthanthus Mart. (Loranthaceae) from Oaxaca, Mexico

Struthanthus ibe-dzi sp. nov. is a new species described and illustrated from the cloud and pine-oak forests of the Sierra Madre del Sur in Oaxaca, Mexico. This species shares sim…

Species of Peperomia (Piperaceae) from the Saña River Valley, Peru

The Saña River Valley in Northern Peru is unusual for the western slopes of the Peruvian Andes because of its nearly year-round regime of precipitation instead of marked seasonal …

Contributions to Ecuadorian butterworts (Lentibulariaceae, Pinguicula): two new species and a re-evaluation of Pinguic…

Comparatively few species of the insectivorous genus Pinguicula L. have been recognized in South America so far. In recent years, a number of narrowly endemic taxa from the Andes …

Begonia fimbristipula subsp. siamensis (sect. Diploclinium, Begoniaceae), a new taxon of the megadiverse genus endemic…

The genus Begonia has not only been recognised to be one of the mega-diverse plant genera but also as one found to comprise many undiscovered species. In particular, the increase …

Lysimachia coriacea (Primulaceae, Myrsinoideae), a new species from Chongqing, China

A new species, Lysimachia coriacea, from Chongqing, China, is described and illustrated. It is assigned to subgen. Lysimachia sect. Nummularia ser. Paridiformes and resembles L. p…

Microchirita minor (Gesneriaceae), a new species from north-western Vietnam

Microchirita minor (Gesneriaceae), a new species from the limestone area in Son La Province, north-western Vietnam, is described here. The new species resembles M. hamosa, but it …

Begonia parvibracteata, a new species in Begonia sect. Platycentrum (Begoniaceae) from Guangxi of China, based on mo…

The previously reported begonias in a limestone forest of Guangxi mainly belong to Begonia sect. Coelocentrum Irmscher. In this article, we described and illustrated a new species…

Oreocharis polyneura, a new species of Gesneriaceae from southern Yunnan, China

Oreocharis polyneura, a new species from southern Yunnan, China, is described and illustrated. It is morphologically similar to O. rhytidophylla by having more obvious lateral vei…

Oreocharis qianyuensis, a new species of Gesneriaceae from Southwest, China based on morphological and molecular evide…

Oreocharis qianyuensis, a new species of Gesneriaceae from Southwest, China, is described and illustrated based on morphological comparisons and molecular phylogenetic analyses. P…

Monopyle glutinosa (Gesneriaceae), a new species from the western slopes of the Ecuadorian Andes

Exploratory field expeditions to the western slopes of the Ecuadorian Andes resulted in the discovery of a new species of Monopyle (Gesneriaceae). Monopyle glutinosa J.L.Clark & K…

Phylogeny and classification of the Australasian and Indomalayan mimosoid legumes Archidendron and Archidendropsis (Le…

The morphologically variable genus Archidendron is the second largest mimosoid legume genus from the Indomalayan-Australasian region, yet it has not been well represented in phylo…

Ardisia whitmorei (Primulaceae-Myrsinoideae), a new species from north east of Peninsular Malaysia

Ardisia whitmorei Julius & Utteridge, sp. nov. (Primulaceae-Myrsinoideae), a member of Ardisia subgenus Stylardisia on account of the style protruding from the closed petals prior…

Novelties on the genus Vaccinium (Ericaceae) from Hainan, China: a new species and a new record for the country

Here we describe a new species, Vaccinium pseudopubicalyx, and report a new record for the flora of China, V. viscifolium, both from Hainan Province. Vaccinium viscifolium also re…

Oreocharis guangwushanensis, a new species of Gesneriaceae from Sichuan Province, China

A new species of Oreocharis, O. guangwushanensis from the Sichuan Province of south-western China, is described and illustrated here. This new species has a pink corolla that is d…

Thesium muasyae (Santalaceae), a new species from the limestone fynbos of the Overberg, South Africa

Thesium muasyae, a new species of the family Santalaceae, is described and illustrated. This species has unique morphological and ecological characters, differentiating it from ot…

Monograph of wild and cultivated chili peppers (Capsicum L., Solanaceae)

Capsicum L. (tribe Capsiceae, Solanaceae) is an American genus distributed ranging from the southern United States of America to central Argentina and Brazil. The genus includes c…

Aster quanzhouensis (Asteraceae), a new riparian species from eastern China

Aster quanzhouensis sp. nov. (Asteraceae) from Fujian, eastern China, is described and illustrated. It grows on rocks in the riparian zone. Morphological, cytological and molecula…

Actinostephanus (Gesneriaceae), a new genus and species from Guangdong, South China

Actinostephanus, a new genus from southern China, is described and colorfully illustrated with a single species, A. enpingensis. This new genus is morphologically most similar to …

Orobanche ingens (Orobanchaceae) – a poorly known species of the Greater Caucasus: taxonomic problems, distribution, h…

Orobanche ingens is an endemic species from the Caucasus, especially the Greater Caucasus, parasitising on large Apiaceae (usually Heracleum). This species was misclassified over …

Nicotiana gandarela (Solanaceae), a new species of ‘tobacco’ highly endangered from the Quadrilátero Ferrífero in Braz…

Nicotiana gandarela Augsten & Stehmann (Solanaceae), sp. nov., a small ’tobacco’ known only from one locality at Serra do Gandarela, in the state of Minas Gerais, Brazil, is descr…

Silene vanchingshanensis (Caryophyllaceae) a new species from Southwest China

Silene vanchingshanensis (Caryophyllaceae), a new species from Fanjingshan Mountain in Guizhou (southwest China) is described and illustrated. It is morphologically similar to S. …

Nicotiana rupicola sp. nov. and Nicotiana knightiana (sect. Paniculatae, Solanaceae), a new endemic and a new record f…

Nicotiana knightiana is recorded for the first time for the flora of Chile. A new species of Nicotiana, endemic to the coast of the Coquimbo region is described and illustrated. M…

A new species (Begonia giganticaulis) of Begoniaceae from southern Xizang (Tibet) of China

Begonia giganticaulis, a huge new species in Begonia sect. Platycentrum of Begoniaceae from southern Xizang (Tibet) of China, is described. Morphologically, it is mostly similar t…

Primulina scutellifolia, a new species of Gesneriaceae from southern Vietnam

Primulina scutellifolia is described as a new species from Khanh Hoa Province, southern Central Vietnam. It is distinct in the genus in having scutellate leaves that make it a hig…

Phelypaea boissieri f. lutea (Orobanchaceae), a peculiar new form from Turkey and typification of the name of this spe…

The genus Phelypaea includes three holoparasite species with one of the most intense red flowers among all plants worldwide. So far, there are few references to other colour taxa …

Glossoloma wiehleri (Gesneriaceae), a new species from the northwestern Andes of Ecuador

A new species of Glossoloma is described from the western Andean slopes of the Pichincha Province in northern Ecuador. Glossoloma wiehleri J.L.Clark & Tobar is differentiated from…

Primulina silaniae sp. nov. (Gesneriaceae) from the limestone area of Guizhou Province, China

Primulina silaniae X.X.Bai & F.Wen, a new species of Primulina Hance (Gesneriaceae) from the limestone area of Wangmo County, Guizhou Province, is described and illustrated. The n…

Two new species and a new combination from Zhejiang, East China

As the supplement of the flora of Zhejiang, East China, two new species were described with illustrations. Cerastium huadingense Y.F.Lu, W.Y.Xie & X.F.Jin (Caryophyllaceae) differ…

A new species of Epidendrum L. (Orchidaceae) of pendulous habit from Peru

A new species of Epidendrum L. from northern Peru is described, illustrated, and compared with related species. This new species belongs to the Laxicaule Group and shares morpholo…

Notes on the systematics of Cuscuta sect. Subulatae (subg. Grammica) with the description of Cuscuta mantiqueirana, a n…

Cuscuta mantiqueirana Costea, S.S. Silva & Sim.-Bianch. a new species from montane cloud forests of the Serra da Mantiqueira, Brazil, is described and illustrated. The morphologic…

Saxifraga viridiflora (Saxifragaceae), an unusual new species from Guangxi, China

Saxifraga viridiflora, a remarkable new species of the genus Saxifraga sect. Irregulares (Saxifragaceae) from Guangxi, is described and illustrated herein. This new species morpho…

Begonia pseudoedulis, a new species in Begonia sect. Platycentrum (Begoniaceae) from southern Guangxi of China

Begonia pseudoedulis, a new species in Begonia sect. Platycentrum (Klotzsch) A.DC. (Begoniaceae) from southern Guangxi of China, is here described and illustrated. It morphologica…

Hanguana deflexa (Hanguanaceae), a new forest species from Sarawak, Borneo

Hanguana deflexa sp. nov. (Hanguanaceae) from Lawas district, Sarawak, Malaysia (northern Borneo) is described and illustrated, bringing the total number of species in Borneo to e…

Petrocosmea duyunensis (Gesneriaceae), a new species from Guizhou, China

Plants belonging to the genus Petrocosmea are rare and small herbs difficult to find in the wild. In the present study, a new species, Petrocosmea duyunensis, from Guizhou, China,…

Begonia catbensis (sect. Coelocentrum, Begoniaceae), a new species from northern Vietnam

Begonia catbensis, a new species in Begonia sect. Coelocentrum is described and illustrated. The new species was discovered in lowland limestone hills at Cat Ba National Park and …

Taxonomy of Vincetoxicum s.str. (Asclepiadoideae, Apocynaceae) from southern Asia including three new species and resur…

This paper presents a taxonomic study of genus Vincetoxicum s.str. from southern Asia. Eleven regional endemic species are recognized on the basis of herbarium studies and fieldwo…

Begonia shenzhenensis, a new species of Begoniaceae from Guangdong, China

Begonia shenzhenensis D.K.Tian & X.Yun Wang, sp. nov., a new species in Begonia sect. Platycentrum of Begoniaceae from Shenzhen of Guangdong province, China, is described and illu…