PhytoKeys
1332 published works on OPTIMAP from this source.
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Known totals: OpenAlex: 2133 · OAI-PMH: 2115
1332 works
Showing 451 to 500 of 1332 works
Stauranthera floribunda, a new species of Gesneriaceae from Yunnan, China
Stauranthera floribunda F.Su, C.Y.Hao & K.Tan, a new species of Gesneriaceae from Yunnan, China, is described and illustrated here. It is morphologically similar to S. grandifolia…
A new species of Hiptage (Malpighiaceae) from northwest Yunnan (China) based on molecular and morphological data
Hiptage stenopterum K.Tan & M.X.Ren, a new species of Hiptage collected from a deep valley close to the Nujiang Gorge, northwest of Yunnan Province, China, is described and illust…
A revision of the South American species of the Morelloid clade (Solanum L., Solanaceae)
The Morelloid clade, also known as the black nightshades or "Maurella" (Maurella), is one of the 10 major clades within the mega-diverse genus Solanum L. The clade is most diverse…
Hedyotis longiramulis (Rubiaceae), a new species from south China
Hedyotis longiramulis sp. nov. (Rubiaceae) is described from Guangdong Province, China. It is similar to H. caudatifolia but differs in having puberulent, more or less tetragonal …
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.…
A new species of Schlegelia (Schlegeliaceae) from wet montane forest of Colombia and a key for the species of the genus
In this paper we describe and illustrate Schlegelia longirachis a new species from montane forest remnants (1200--1900 m) in the Western slope of the Eastern Cordillera of Colombi…
Revision of the genus Agrostis (Poaceae, Pooideae, Poeae) in Megamexico
Agrostis is one of the most diverse genera of the Poaceae, including ca. 198 species, principally distributed in cold and temperate regions of the world, but also found in the hig…
Ixeridium sagittarioides (Asteraceae-Cichorieae) revisited: range extension and molecular evidence for its systematic …
Our first record of the rare and scatteredly distributed Ixeridium sagittarioides for Guizhou, China, triggered a study to assess its systematic position. The species was placed i…
Primula medogensis, a new species of Primulaceae from Tibet of China
We present a description of a newly discovered species, Primula medogensis, found in southern Xizang, China. Additionally, we explore distinctive morphological characteristics tha…
Artemisia qingheensis (Asteraceae, Anthemideae), a new species from Xinjiang, China
Artemisia qingheensis (Asteraceae, Anthemideae), a new species from Qinghe County, Xinjiang, China, is described and illustrated. We investigated its phylogenetic position and rel…
A new species of Atriplex (Amaranthaceae) from the Indian subcontinent
A new subshrubby C4-species from the lowlands and foothills of India, Pakistan and SE Afghanistan, Atriplex pseudotatarica, is described and illustrated. Previously, it was incorr…
Primulina pingnanensis, a new species of Gesneriaceae from Guangxi, China
A new species of Primulina, P. pingnanensis, from the Guangxi Zhuangzu Autonomous Region, China, is described and illustrated here. It is morphologically similar to P. orthandra b…
Seven Epithemia taxa (Bacillariophyta) from Lake Akan (Japan) and their salinity tolerances
The ecologies (salinity tolerance) of many diatoms are largely unknown, despite their potential to contribute to more detailed paleoenvironmental reconstructions. This study there…
A new species of Amorphophallus (Araceae) from northeastern Thailand
Amorphophallus sakonnakhonensis Chatan & Promprom, a new species from northeastern Thailand, is described and illustrated. The new species is most similar to A. harmandii Engl. & …
Taxonomic and ecological remarks on Solenopsis bivonae species complex (Campanulaceae)
The populations usually attributed to Solenopsis bivonae (Tineo) M.B.Crespo, Serra & A.Juan are investigated from a taxonomical and morphological viewpoint. Within this species co…
Anthemis sect. Hiorthia (Asteraceae) on Kriti Island, Greece: high ploidy levels and a new species
A morphological and karyological investigation of the Anthemis sect. Hiorthia representatives of Kriti (Greece) revealed that three different species are found on the island, all …
Rosa funingensis (Rosaceae), a new species from Yunnan, China
A new species Rosa funingensis and its variant R. funingensis f. rosea, both collected from Yunnan Province, China, are, for the first time, documented and illustrated in this stu…
When the absence of evidence is not the evidence of absence: Nasa (Loasaceae) rediscoveries from Peru and Ecuador, and…
Documentation of plant taxa has long been subject to the temporal and spatial selectivity of professional research expeditions, especially in tropical regions. Therefore, rare and…
The diatom genus Ulnaria (Bacillariophyta) in China
This study deals with Ulnaria species found and described from two regions of China with large climate differences during the period of 2014–2022. The first region, located in the…
Desmopsis terriflora, an extraordinary new species of Annonaceae with flagelliflory
Flagelliflory refers to the production of inflorescences exclusively on long, whip-like branches which emerge from the main trunk and extend along the ground or below it. It is th…
A new remarkable Vanilla Mill. (Orchidaceae) species endemic to the Espinhaço Range, Brazil: its phylogenetic position…
During surveys conducted on Neotropical Vanilla, a new endemic species was found in the Brazilian campos rupestres of the Espinhaço Range. Here, this new remarkable Vanilla specie…
Selaginella densiciliata (subg. Heterostachys, Selaginellaceae), a new spikemoss species from China based on morpholog…
A new species of spikemoss, Selaginella densiciliata in S. subg. Heterostachys sect. Tetragonostachyae, China, is described from southeastern Xizang, based on morphological and mo…
Silene isabellae (Caryophyllaceae), a new campion species from serpentine soils of Albania
The new species Silene isabellae is described and illustrated from the Skënderbëut mountain range of central Albania. It grows on the ultramafic mountain slopes around Qafë Shtamë…
Morphology and molecular phylogeny of Pleurosigma pacificum sp. nov. (Pleurosigmataceae), a new tropical pelagic speci…
A new species of pelagic diatom, Pleurosigma pacificum sp. nov., is described from the tropical Western Pacific Ocean. It has the typical features of Pleurosigma, including a slig…
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 &…
Rediscovery of Rubus pendulus Rusby (Rosaceae) and a new record for the flora of Ecuador and Peru
We report the rediscovery of Rubus pendulus Rusby, “Mora India”, described in 1933 from Colombia and not mentioned again until the present study. We also update its distribution w…
New and noteworthy species of the genus Epidendrum (Orchidaceae, Laeliinae) from the Área de Conservación Privada La P…
Fourteen species of the genus Epidendrum, recently collected in the Área de Conservación Privada La Pampa del Burro (ACPPB), five of them new to science (Epidendrum echinatianther…
Rediscovery of Primula brachystoma (Primulaceae), a rare species endemic to Gaoligong Mountain of Chinese-Burma fronti…
The rare Primula brachystoma W.W.Sm. is an endemic species confined to Gaoligong mountain of Chinese-Burma frontier, which has been rediscovered from the same region after nearly …
Primula jiaozishanensis (Primulaceae), a new species in Primula sect. Petiolares subsect. Davidii from Yunnan, China
Primula jiaozishanensis Z.K.Wu, W.H.Yang & Yuan Wu, a new species of Primulaceae is described and illustrated from Jiaozi Snow Mountain of Dongchuan District, Yunnan, China. Morph…
A new species of Piper (Piperaceae) with peltate leaves from Serranía de las Quinchas, Colombia
Piper quinchasense is described and illustrated as a new species occurring in the understory of wet montane forest of the middle Magdalena Valley in Colombia, the easternmost port…
Typification of the name Ranunculus rionii (Ranunculaceae)
Available information on the typification of the name Ranunculus rionii in the literature is scarce and misleading. Previously claimed type collections indicate Lagger as the coll…
Amentotaxus × hybridia (Taxaceae), a new natural Amentotaxus hybrid from southeast Yunnan province, China
During floristic surveys of Taxaceae in Hekou County, Yunnan Province, China, a putative natural hybrid between A. yunnanensis H.L. Li and A. hekouensis L.M. Gao was collected. Mo…
Marsupella brasiliensis sp. nov. (Gymnomitriaceae, Marchantiophyta) from Brazil – the distribution of sect. Stolonicau…
The specimen previously identified as Marsupella microphylla from Brazil is reassessed and described as a new species, M. brasiliensis. The new species is characterized by paroico…
The identity of Sasa oblongula C.H.Hu (Poaceae, Bambusoideae, Arundinarieae): evidence from morphology and molecular d…
Sasa oblongula was described in 1987 based on a cultivated plant at the bamboo garden of Sun Yat-sen University. This species has two or three branches at the upper nodes, which d…
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 Argyreia (Convolvulaceae) from Yunnan, China
Argyreia subrotunda, a new species from Yunnan Province, China, is described and illustrated. The new species resembles A. fulvocymosa and A. wallichii, but differs from these in …
Notes on Carex (Cyperaceae) from China (IX): three new species of section Mitratae s.l.
Carex sect. Mitratae s.l. was established by Kükenthal in 1909 and can be distinguished from the closely related sections in having nutlets frequently discoid-annulate at the apex…
Silene ophioglossa (Caryophyllaceae, Sileneae), a new species from southwest China
Silene ophioglossa Huan C. Wang & Feng Yang, a new species of Caryophyllaceae, is here described and illustrated based on morphological and molecular evidence. The new species was…
A note on the type of Harpalyce (Fabaceae, Brongniartieae), with description of two new local endemic species from Cuba
Two new species of Harpalyce are described from Cuba, H. revoluta sp. nov. from a serpentine area in the northern part of E. Cuba and H. marianensis sp. nov. from calcareous areas…
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…
Palynological features and taxonomic significance for 16 species of Gagea (Liliaceae) from Xinjiang, China
Since pollen characters can be used to help distinguish species, our aim was to determine if palynological information has taxonomic significance for Gagea species from Xinjiang, …
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 …
Yersinochloa nghiana, a new species (Poaceae, Bambusoideae, Bambuseae) from southern Vietnam
Yersinochloa nghiana sp. nov. from Vietnam is described and illustrated. It is found from southern Vietnam, where it occurs at an elevation of 1130 m in Braian Mountain, Di Linh D…
A new species of Liparis (Orchidaceae, Epidendroideae, Malaxidinae) from the Bosque de Protección Alto Mayo, San Martí…
Liparis altomayoënsis sp. nov. is described, illustrated, and tentatively assigned to the Neotropical section Decumbentes on the basis of its branching, prostrate rhizomes and upr…
Taxonomy and distribution of Taraxacum sect. Erythrosperma (Asteraceae) in Poland
The dandelions from Taraxacum sect. Erythrosperma are taxonomically well distinguished and ecologically restricted to warm and sunlit habitats of steppes, dry and sandy grasslands…
An annotated plant checklist of the transboundary volcanic Mt Elgon, East Africa
Mt Elgon is an ancient transboundary volcanic mountain found at the Kenya-Uganda boarder possessing high plant diversity. This study documents an updated checklist of the mountain…
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 …
Aspidistra daibuensis var. longkiauensis, a new variety of Aspidistra (Asparagaceae) from Taiwan, identified through m…
Aspidistra Ker Gawl. is one of the the most diverse and fastest-growing genera of angiosperm. Most Aspidistra species have been discovered in a limited area or a single site throu…
Numerical analyses of seed morphology and its taxonomic significance in the genus Oxytropis DC. (Fabaceae) from northw…
The lack of diagnostic taxonomic characteristics in some species complexes leave the species delimitation of Oxytropis DC. unresolved. Seed morphological features have proved to b…
Resurrection of Leucobryum scalare Müll.Hal. ex M.Fleisch. (Bryophyta, Leucobryaceae) based on phylogenetic and morpho…
Leucobryum scalare was described in 1904 but its taxonomic status has been disputed, being reduced to a variety of Leucobryum aduncum or synonymized with Leucobryum aduncum. The t…