Works on Plant Parasitism and Resistance

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

328 works

Showing 201 to 250 of 328 works

Two new species of Otoba (Myristicaceae) from Colombia

Otoba is the third largest genus of Myristicaceae in the Neotropics with 12 species, nine of them native to Colombia. Two new species from the department of Antioquia, O. scottmor…

Hybridization of Oxalis corniculata and O. dillenii in their non-native range

Many species have been introduced beyond their native ranges and many have become global weeds. Human mediated dispersal has removed the geographic isolation of these species, rev…

A checklist of vascular plants of Ewe-Adakplame Relic Forest in Benin, West Africa

Covering 560.14 hectares in the south-east of Benin, the Ewe-Adakplame Relic Forest (EARF) is a micro-refugium that shows insular characteristics within the Dahomey Gap. It is pro…

Chroesthes (Acanthaceae) in Peninsular Malaysia, including a new species from Kelantan and a new record from Terengganu

Chroesthes is a small genus that includes three species from Peninsular Malaysia: Chroesthes faizaltahiriana Siti-Munirah sp. nov., C. lanceolata (T. Anderson) B.Hansen and C. lon…

Hidden biodiversity of Amazonian white-sand ecosystems: two distinctive new species of Utricularia (Lentibulariaceae) f…

As deforestation and fire move forward over pristine vegetation in the Amazon, many species remain undiscovered and may be threatened with extinction before being described. Here,…

An amazing new Capsicum (Solanaceae) species from the Andean-Amazonian Piedmont

Capsicum regale Barboza & Bohs, sp. nov., a new species from the tropical wet forests of the eastern Andean slopes (Colombia, Ecuador, and Peru) is described and illustrated. This…

Two new species of Codonoboea (Gesneriaceae) from Kenaboi State Park, Peninsular Malaysia

Two new Codonoboea species, C. kenaboiensis Syahida-Emiza, Y.Y.Sam & Siti-Munirah and C. ruthiae Syahida-Emiza, Y.Y. Sam & Siti-Munirah were discovered from the Kenaboi State Park…

Octoblepharum peristomiruptum (Octoblepharaceae) a new species from the Neotropics

Octoblepharum peristomiruptum, a new species of moss in the family Octoblepharaceae from Panama and Brazil, is described and illustrated. The new species is characterised by plant…

Two new species of Oreocharis (Gesneriaceae) from karst regions in Yunnan and notes on O. tetraptera and O. brachypoda …

Two new species of Gesneriaceae, Oreocharis aimodisca and O. longipedicellata, from the limestone area of Yunnan Province, China, are described and illustrated. Their morphologica…

Begonia guangdongensis, a new species of Begonia (Begoniaceae) from Guangdong, China

A new species of Begonia section Coelocentrum, B. guangdongensis W.H. Tu, B.M. Wang & Y.L. Li from Guangdong Province, China, is described and illustrated here. Morphologically, t…

On the Leucanthemopsis alpina (L.) Heywood growing in the Illyrian region

Leucanthemopsis alpina (L.) Heywood (Asteraceae, Anthemideae) is a small, caespitose plant growing in high alpine environments in all the main southern European mountain ranges. H…

A new species of Chrysosplenium (Saxifragaceae) from Shaanxi, north-western China

Chrysosplenium zhouzhiense Hong Liu, a new species from Shaanxi, north-western China, is described and photographed. The new species belongs to Subgen. Gamosplenium Sect. Nephroph…

Didymocarpus phuquocensis, a new species of Gesneriaceae from Phu Quoc Island, South-western Vietnam

A new species of Gesneriaceae, Didymocarpus phuquocensis, is described and illustrated from Phu Quoc National Park, Kien Giang Province, South-western Vietnam. It is most similar …

Primulina flexusa sp. nov. (Gesneriaceae) from Guizhou Province, China

The limestone regions of Yunnan-Guangxi-Guizhou in southern and southwestern China are regarded as some of biodiversity’s hotspots for China’s Gesneriaceae where numerous rare new…

Two new taxa of Gesneriaceae in the karst regions in North Vietnam

One new species and one new variety of Gesneriaceae in Vietnam are described, viz. Paraboea sinensis var. glabrissima var. nov. and Primulina xuansonensis sp. nov. These two new t…

Petrocodon wenshanensis, a new species of Gesneriaceae from southwestern China

A new species of Petrocodon, P. wenshanensis from Yunnan province of southwestern China, is described and illustrated here. P. wenshanensis morphologically closely resembles P. ji…

Petrocodon rubiginosus, a new species of Gesneriaceae from Guangxi, China

Petrocodon rubiginosus Y.G. Wei & R.L. Zhang, sp. nov., from Guangxi of South China, is described and illustrated with photographs. The new species is morphologically similar to P…

Petrocodon luteoflorus (Gesneriaceae), a new species from karst region in Guizhou, China

A new species of Gesneriaceae, Petrocodon luteoflorus Lei Cai & F.Wen was first described and illustrated from Maolan National Nature Reserve, Libo County, Guizhou Province, China…

Two new species of Allocheilos (Gesneriaceae) from the karst regions in Yunnan, China

Allocheilos W.T.Wang in Gesneriaceae was described in 1983 and is characterized by its 4-lobed adaxial lip and undivided abaxial lip with acute apex. The genus is endemic to the k…

Didymocarpus lobulatus (Gesneriaceae), a new species from Zhejiang Province, East China

Didymocarpus lobulatus, a new species endemic to Zhejiang province, eastern China, is described and illustrated with photographs. The new species is morphologically similar to D. …

Oreocharis flavovirens, a new species of Gesneriaceae from Southern Gansu Province, China

Oreocharis flavovirens is a new species of Gesneriaceae from Gansu, China and is described and illustrated here. It is morphologically similar to O. glandulosa, O. humilis and O. …

Two new combinations in Oreocharis (Gesneriaceae) based on morphological, molecular and cytological evidence

The newly-circumscribed genus Oreocharis is recently enlarged by incorporating ten other genera with high floral diversity. In this study, our morphological, molecular and cytolog…

Several new records, synonyms, and hybrid-origin of Chinese begonias

Begonia is a mega-genus with about 2500 species by most estimates, with China having over 210 accepted species. After field surveys, literature review and examination of herbarium…

Paraboea dolomitica (Gesneriaceae), a new species from Guizhou, China

Here we describe Paraboea dolomitica Z.Y. Li, X.G. Xiang & Z.Y. Guo, a new species of Gesneriaceae from Guizhou, China. Based on recent extensive observations, this new species is…

Loxostigma puhoatense (Gesneriaceae), a new species from North Central Vietnam

Loxostigma puhoatense N.D. Do et al., sp. nov., a new species of Gesneriaceae, is described and illustrated from Pu Hoat Nature Reserve, Nghe An Province, Vietnam. This species is…

A new species of Rhododendron (Ericaceae) from Guizhou, China

A new species of the Rhododendron (Ericaceae) in subgen. Tsutsusi sect. Tsutsusi from Puding county of Guizhou, China, is described and illustrated. The new species, R. pudingense…

Michaelmoelleria (Gesneriaceae), a new lithophilous dwelling genus and species with zigzag corolla tube from southern V…

Michaelmoelleria, a new genus from southern Vietnam is described with a single species, M. vietnamensis. The new genus is morphologically most similar to Deinostigma and Tribounia…

A new species and a new record of Liparis sect. Decumbentes (Malaxidinae, Orchidaceae) from Peru

A new species of Liparis sect. Decumbentes, Liparis sessilis Damián, Salazar & Rimarachín, sp. nov is described and illustrated from Amazonas (Perú), including color photographs, …

Two new species of Ardisia subgenus Tetrardisia (Primulaceae-Myrsinoideae) from Borneo

Ardisia argentiana and A. nagaensis from subgenus Tetrardisia are herein described and illustrated as new species. They are endemic to Borneo and the Indonesian province…

Pinguicula rosmarieae Casper, Bussmann & T.Henning (Lentibulariaceae), a new butterwort from the Amotape-Huancabamba Zo…

The insectivorous genus Pinguicula occurs along the whole Andean mountain chain from Colombia-Venezuela in the north to Tierra del Fuego in the south with a short interruption in …

Two new species of Dendrophthora (Viscaceae) from the Venezuelan Andes

Two new species of Dendrophthora Eichler (Viscaceae) from northwestern Venezuela are described and illustrated. Both mistletoes, D. apiculata Canelón et al., sp. nov. and D. coron…

Three new fossil records of Equisetum (Equisetaceae) from the Neogene of south-western China and northern Vietnam

Three fossil species of Equisetum (Equisetaceae) were reported from the Neogene of south-western China and northern Vietnam, based on well-preserved rhizomes with tubers. Equisetu…

An updated checklist of Begonia (Begoniaceae) in Laos, with two new species and five new records

Two new species of Begonia L. (Begoniaceae), B. laotica (sect. Parvibegonia) and B. hypoleuca (sect. Reichenheimia), from north Laos are described and illustrated. Begonia augusti…

Ainsliaea daheishanensis (Asteraceae): a new species from China

In this work, we describe a new species, Ainsliaea daheishanensis Y.L.Peng, C.X.Yang & Y.Luo, based on morphological traits. The new species was discovered in the mountains of Yun…

Saxifraga damingshanensis (S. sect. Irregulares, Saxifragaceae), a new species from Guangxi, China

Saxifraga damingshanensis (Saxifragaceae), a new species from Damingshan Nature Reserve in Guangxi Province, is described and illustrated. A morphological comparison between the n…

Oreocharis tetrapterus (Gesneriaceae), a new species from East Guangxi, China

A new species, Oreocharis tetrapterus F.Wen, B.Pan & T.V.Do (Gesneriaceae) from Gupo Mountain area, Hezhou city, Guangxi Zhuangzu Autonomous Region, China, is described and illust…

Codonoboea (Gesneriaceae) in Terengganu, Peninsular Malaysia, including three new species

Of the 92 Codonoboea species that occur in Peninsular Malaysia, 20 are recorded from the state of Terengganu, of which 9 are endemic to Terengganu including three new species, C. …

Taxonomic and nomenclatural notes on Pedicularis (Orobanchaceae): I. One new species from northwest Yunnan, China

Pedicularis multicaulis W.B.Yu, H.Wang & D.Z.Li (series Oliganthae Prain) is a new species described and illustrated herein. This new species is endemic to northwest Yunnan and on…

Four new species of Gesneriaceae from Yunnan, Southwest China

Four new species of Gesneriaceae from Yunnan, southwest China, are described and illustrated. They are Petrocosmea rhombifolia, Petrocosmea tsaii, Didymocarpus brevipedunculatus, …

Gentianella macrosperma, a new species of Gentianella (Gentianaceae) from Xinjiang, China

Gentianella macrosperma Ma ex H.F. Cao, J.D. Ya & Q.R. Zhang, a new species of Gentianaceae from Xinjiang, Northwest China is described and illustrated. This new species is unique…

Oreocharis odontopetala, a new species of Gesneriaceae from Guizhou, China

A new species, Oreocharis odontopetala Q.Fu & Y.Q.Wang from Guizhou Province in southwest China, is described and illustrated, based on morphological comparison with existing spec…

A new species of Microlicia (Melastomataceae): first record of the genus for Colombia

Microlicia (Melastomataceae) is a Neotropical genus nearly restricted to southeastern Brazil, and the Guiana Shield in Venezuela, with a few species in some places in the Andes of…

Hemiboea albiflora, a new species of Gesneriaceae from Guizhou, China

Hemiboea albiflora X.G.Xiang, Z.Y.Guo & Z.W.Wu, sp. nov., a new species of Gesneriaceae from Guizhou, China, is described and illustrated. This species was previously listed infor…

Senyumia granitica (Gesneriaceae) from Johor, Malaysia, the second species of Senyumia

The genus Senyumia was previously known from a single species, S. minutiflora (Ridl.) Kiew, A.Weber & B.L.Burtt, from a limestone karst, Gunung Senyum, in Pahang, Malaysia. Senyum…

Thismia sumatrana (Thismiaceae), a new species from West Sumatra, Indonesia, with discussions on the taxonomic identity…

A new species of the mycoheterotrophic genus Thismia Griff. (Thismiaceae), Thismia sumatrana Suetsugu & Tsukaya, from West Sumatra, Indonesia, is described, based on a rehydrated …

Thesium nautimontanum, a new species of Thesiaceae (Santalales) from South Africa

Thesium nautimontanum M.A. García, Nickrent & Mucina, a new species from the Matroosberg Mt. of Western Cape Province of South Africa, is described and illustrated. This species s…

Begonia medogensis, a new species of Begoniaceae from Western China and Northern Myanmar

Begonia medogensis JianW.Li, Y.H.Tan & X.H.Jin, a new species of Begoniaceae, is described and illustrated by colour photographs. Begonia medogensis is distributed in western Chin…

Vatica najibiana (Dipterocarpaceae), a new species from limestone in Peninsular Malaysia

Vatica najibiana Ummul-Nazrah (Dipterocarpaceae), from the Relai Forest Reserve, Gua Musang, Kelantan and Gua Tanggang, Merapoh, Pahang, is described and illustrated. This species…

Paraboea wenshanensis, a new species of Gesneriaceae from Yunnan, China

Paraboea wenshanensis is a new species of Gesneriaceae from Yunnan, China and is described and illustrated here. It is morphologically similar to P. angustifolia, P. martinii and …

Three new species of eriophyoid mites (Acari, Eriophyoidea) associated with Lauraceae in China

In this paper, three new species of eriophyoid mites in the family Eriophyidae associated with Phoebe hunanensis Hand.–Mazz. (Lauraceae), namely Gammaphytoptus striatilobus sp. n.…