PhytoKeys
1332 published works on OPTIMAP from this source.
Coverage and metadata quality
No coverage snapshot yet for this source.
Known totals: OpenAlex: 2133 · OAI-PMH: 2115
1332 works
Showing 201 to 250 of 1332 works
Arundinella mainlingensis (Poaceae), a new species from Xizang, China
Arundinella mainlingensis (Poaceae), a new species from Xizang, China is described and illustrated. This new species forms a sister group relationship with A. yunnanensis on the m…
Taxonomic clarification of Silene dawoensis (Caryophyllaceae): synonymization with S. batangensis and reinstatement of …
Based on a comprehensive analysis of type materials, protologues, herbarium specimens, and field observations, this study clarifies the taxonomic status of Silene dawoensis and re…
Tarenna pendula (Rubiaceae), a new species from Guangxi, China
The species Tarenna pendula (Rubiaceae), a small shrub, is newly described and illustrated from southwestern Guangxi Autonomous Region, China. This species is similar to Tarenna t…
Exploration of Hiptage (Malpighiaceae) diversity in Vietnam reveals a new species with wingless fruits
Hiptage (Malpighiaceae) is a genus almost exclusively native to Asia, with a single species, Hiptage benghalensis, being a noxious invasive plant in several areas of the world and…
Three new species of Pleurothallis (Orchidaceae) from Costa Rica and Panama, with a note on asexual reproduction by pro…
Three new species of Pleurothallis, each exhibiting prolific vegetative growth, are described from Costa Rica and western Panama. Prolification refers to the development of a vege…
Phylogenetic position, supplementary description and phytochemical analysis of Camellia hekouensis (Theaceae), a critic…
Camellia harbors unique diversity along Sino-Vietnamese border. Some species of them are under threat due to human activity. Camellia hekouensis, a native of Hekou, Yunnan, China,…
A new species Erythrotrichia bohanensis sp. nov. (Erythropeltales, Rhodophyta) from the coast of China
Erythrotrichia (Erythropeltales, Rhodophyta) is a group of widely distributed marine epiphytic algae. With the advancement of molecular biology in recent years, the classification…
Taxonomic clarifications, a new combination, and three new species of Neotropical Rinorea (Violaceae)
Based on findings of revisionary studies of Neotropical Rinorea, we propose several taxonomic novelties and clarifications in this study, including the description of three new sp…
Primula longipes subsp. bayburtensis Sefali, Yapar & Demir (Primulaceae): A new taxon from north-eastern Anatolia, Türk…
The new taxon, Primula longipes subsp. bayburtensis Sefali, Yapar & Demir, subsp. nov. (Primulaceae) is described and illustrated from Bayburt Province, Türkiye. It is morphologic…
Two new tuberous species of Begonia (Begoniaceae) from Guangxi, China
Two new tuberous species of Begonia (Begoniaceae), Begonia angustibracteata D.K.Tian & R.C.Hu and B. baishishanensis R.C.Hu & D.K.Tian from Guangxi of China are described with ill…
Lonicera lanzhouensis (Caprifoliaceae), a new species from Gansu, Northwest China
Lonicera lanzhouensis (Caprifoliaceae), a new species from Lanzhou City, Gansu province, China, is described and illustrated. The new species is morphologically similar to L. webb…
A new species of Begonia (Begoniaceae) from the eastern mountains of Panama
Begonia chucantiensis sp. nov. is described as a new species of Begonia section Lepsia from Cerro Chucantí, Darién Province, in eastern Panama. A study of the literature and herba…
Oreocharis corallodiscoides (Gesneriaceae, Trichosporeae, Didymocarpinae), a new species from Yunnan, southwest China
Oreocharis corallodiscoides, a new species of the tribe Trichosporeae (Gesneriaceae), is described and illustrated. This new species is characterized by its ovate, rounded or some…
Four new species of Drymonia (Gesneriaceae) from South America: Tributes to inspirational leaders
Exploratory field expeditions and herbarium research have led to the discovery of four new species of Drymonia (Gesneriaceae), distinguished by laterally compressed corollas, elon…
Ormosia neillii (Fabaceae), a remarkable new tree species from the Cordillera del Cóndor plateaus in Ecuador
A new species, Ormosia neillii (Fabaceae), is described and illustrated from the tepui-like formations of the Cordillera del Cóndor Region in south-eastern Ecuador. Morphological …
Eriolaena bacgiangensis (Malvaceae), a new species from Vietnam
The new species Eriolaena bacgiangensis from Vietnam is described and illustrated. The identified key was constructed to indicate the differences amongst three allied species of E…
Gastrodia microchila (Orchidaceae, Epidendroideae), a new species from Brunei Darussalam
A new orchid species, Gastrodia microchila is described and illustrated. The species was found in a mixed dipterocarp forest in the Belait district, Brunei Darussalam, northern Bo…
Taxonomic studies on the genus Hydrocotyle (Apiales) from China: The distribution and morphology of H. chiangdaoensis, …
Based on observations of living plants of Hydrocotyle calcicola in the field, together with examination of herbarium specimens and descriptions of both H. calcicola and H. chiangd…
Eumachia brevipedunculata (Rubiaceae, Palicoureeae), a new species from Yunnan, China
Eumachia brevipedunculata is a newly-identified species of the tribe Palicoureeae of Rubiaceae from Yunnan, China. It is morphologically similar to E. straminea, but differs by it…
Diving into Diversity: Haslea berepwari (Bacillariophyceae, Naviculaceae), a new species of marine diatom from New Cale…
The current article introduces and describes Haslea berepwari sp. nov., a new species of diatom discovered in the vicinity of Boulouparis, New Caledonia. Under light microscopy, H…
Prunus zhuxiensis (Rosaceae), a new species from Hubei, China
In the present paper, we describe a new species, Prunus zhuxiensis (P. subg. Cerasus), from Hubei, China, based on long-term field observations. This species closely resembles P. …
Yushania rubrovaginata (Poaceae, Bambusoideae), a new combination for Sasa rubrovaginata
Sasa rubrovaginata is transferred to Yushania based on morphological and molecular evidence. The lectotype for S. rubrovaginata is designated. Besides, a revised description of th…
Morphological and molecular evidence suggests that Indosasa gigantea and Acidosasa glauca (Poaceae, Bambusoideae, Arund…
Indosasa gigantea is a bamboo with great economical value, but its generic designation has been controversial for a long time. This study aims to ascertain whether I. gigantea bel…
Studies of Vietnamese Pteridophyte Flora 3
This is the third paper in a series dedicated to updating the knowledge of the Vietnamese pteridophyte flora. Based on recent collections, we first reported three new national rec…
Caloneis nanyiensis sp. nov. (Bacillariophyta) from Nanyi Lake of Anhui Province, China
A new species, Caloneis nanyiensis sp. nov., is described from Nanyi Lake, the largest lake in southern Anhui Province, China. Observations were made using a light and scanning el…
Sinocrassula obliquifolia (Crassulaceae), a new species from China
Based on a comprehensive morphological and molecular data analysis, we have confirmed and described a new species within the genus Sinocrassula, which is distributed in Sichuan Pr…
Festuca silana (Poaceae), a new species from the Sila plateau in Italy
A new hexaploid species of fine-leaved fescue from Festuca sect. Festuca (Festuca silana Ardenghi, Pallanza & Foggi, sp. nov.) endemic to the Sila plateau is described. The new ta…
Syzygium triflorum (Myrtaceae), a new species from Vietnam
Syzygium triflorum T.T.Hoang, Kim Thanh, S.Tagane & D.H.Cuong, sp. nov., from Kon Chu Rang Nature Reserve, Vietnam, is described and illustrated. The new species is distinguished …
Morphological and phylogenetic analysis approach to three new species and a new section of Astragalus (Fabaceae) from M…
Astragalus L. is the largest genus worldwide, comprising more than 3,100 species belonging to 250 sections. In Mongolia, approximately 130 species, including 15 endemic and 25 sub…
Sinosasa damingshanensis (Poaceae, Bambusoideae), a new combination supported by morphological and molecular evidence
Morphological characteristics and phylogenetic analyses clearly revealed that Chimonobambusa damingshanensis should be a member of the genus Sinosasa, rather than Chimonobambusa, …
Lagerstroemia yangchunensis (Lythraceae), a new species from Guangdong, China
A new species from southern China, Lagerstroemia yangchunensis B.H.Wu & G.D.Chen, sp. nov., is described in the present paper. This species is morphologically similar to L. duperr…
Pollen and morphometric analysis reveal Solanum tavinuuyuku (Solanaceae), a new dioecious species from Mesoamerican Sol…
Solanum tavinuuyuku, of the Sierra Madre del Sur ecoregion of South-Central Mexico, is a viny, node-rooting species of the Potato clade, in the subclade Solanum sect. Anarrhichome…
A new cherry species (Prunus, Rosaceae) from south-western Ecuador
Prunus luxurians, a new species from Buenaventura Reserve at El Oro province in Ecuador is described and illustrated. Additionally, notes on its geographical distribution, ecology…
Somnuekia flaviflora (Malvaceae, Brownlowioideae), a new genus and species from Thailand
Somnuekia is described as a new genus of Malvaceae, currently known only from a few locations in the upper part of Tenasserim in northern and peninsular Thailand. Morphological an…
Impatiens maolanensis (Balsaminaceae), a new species of Impatiens in a tiankeng from Guizhou, China
Impatiens maolanensis Z.B.Xiong & Q.Y.Wen (Balsaminaceae), a new species of Impatiens subg. Clavicarpa from Maolan National Nature Reserve, Guizhou, China, is described. The new s…
Thismia aliasii (Thismiaceae), a new species from Terengganu, Peninsular Malaysia
A new mycoheterotrophic species, Thismia aliasii, is described and illustrated. This species inhabits a hill dipterocarp forest in mountains of eastern Peninsular Malaysia. Thismi…
Pyrus zhaoxuanii (Rosaceae), A new pear species from Danxiashan Mountain, Guangdong, China
Pyrus zhaoxuanii is described as a new species from Guangdong Province, China, within the genus Pyrus, specifically under P. subg. Pashia. Although it shares morphological similar…
A realigned taxonomy for the Schiedea kauaiensis – S. perlmanii species pair (Caryophyllaceae) based on recent collecti…
The Kaua‘i species Schiedea kauaiensis H. St. John was previously characterized by a geographical range including a number of Napali Coast valleys and the Limahuli, Wainiha, and M…
Primulina nanlingensis (Gesneriaceae), a new species from the Limestone Karst of Guangdong, China
Primulina nanlingensis, a new species of Gesneriaceae from the Karst of Guangdong, China, is described and illustrated. This species is morphologically similar to P. versicolor, b…
Camellia shuangbaiensis (Theaceae), a new species from Yunnan, China
A new species of the genus Camellia (Theaceae), Camellia shuangbaiensis G.P.Yang & B.H.Wu, sp. nov., from the central region of Yunnan Province of China is described. Camellia shu…
Phragmotheca centinelensis (Malvaceae, Malvoideae or Matisioideae), a newly-discovered, endangered canopy tree species …
During floristic inventories in remnant cloud forests of the Centinela Ridge of the Chocó Region of Ecuador, where less than 7 km2 of forest patches remain across an area of appro…
Ferula groessingii (Apiaceae), a new synonym of Ferula licentiana var. tunshanica
A comprehensive evaluation of the diagnostic characters employed in distinguishing Ferula groessingii from F. licentiana var. tunshanica has led to the conclusion that the two tax…
Decussiphycus sinensis sp. nov. (Bacillariophyceae, Mastogloiales) – a new species described from China, with comments …
During the study of freshwater diatom communities in Hainan Province, China, we uncovered an unknown diatom species of the genus Decussiphycus, which is described as Decussiphycus…
Chelonopsis guchengensis, a new species of Lamiaceae from Hubei Province in Central China
Chelonopsis is a small genus endemic to East Asia. In this study, a new species, C. guchengensis, from Nanhe National Nature Reserve, Gucheng County, Hubei Province is described a…
Neotrinia kurramica (Poaceae, Stipeae), a new species from Parachinar (Khyber Pakhtunkhwa, Pakistan)
The family of grasses (Poaceae) is one of the most diverse plant families, with the tribe Stipeae representing an ecologically significant group of more than 600 species primarily…
A new species of Sedum (Crassulaceae) from eastern China based on morphological and molecular evidence
Sedum orientalichinense, a new species of Crassulaceae from eastern China, is described and illustrated here. Phylogenetic analysis based on the internal transcribed spacer (ITS) …
A revision of the endemic Brazilian Solanum hexandrum group (Leptostemonum, Solanum, Solanaceae)
The Leptostemonum Clade, or the ‘spiny solanums’, represents half of the species diversity of the large cosmopolitan genus Solanum (Solanaceae). Brazil is a centre of both species…
Rorippa daguanensis (Brassicaceae), a new species from eastern China
Rorippa daguanensis W.Zhang & K.Zhao (Brassicaceae), a new species from Anhui and Hubei Provinces of eastern China, is described. Its floral morphology resembles R. dubia, with it…
The rediscovery of Ohwia luteola (Fabaceae, Papilionoideae) after 50 years and comparative analysis of Ohwia species in…
Ohwia luteola (H. Ohashi & T. Nemoto) H. Ohashi is only known from one collection in Yunnan Province, China. It has not been recollected since its last collection in 1972. Here, w…
Grewia kentingensis (Malvaceae, Grewioideae), a new species from Taiwan
Grewia kentingensis Y.H. Tseng, Chih Y.Chang & C.Y.Lin, sp. nov., a new species found on elevated coral reefs in southern Taiwan, is described. The species was previously misident…