PhytoKeys
1332 published works on OPTIMAP from this source.
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Known totals: OpenAlex: 2133 · OAI-PMH: 2115
1332 works
Showing 401 to 450 of 1332 works
Molecular and morphological evidence support a new species of Rosaceae Prunus subg. Cerasus from Wuyishan National Park…
Prunus tongmuensis, a new species of cherry blossom, is described and illustrated from Wuyishan National Park, southeast China. This species is characterized by its tubular to nea…
Lysimachia danxiashanensis, a new species of Primulaceae from Guangdong, China
Lysimachia danxiashanensis, a new Primulaceae species, endemic to the Danxia landscape in Guangdong Province, China, is described and illustrated. This new species is morphologica…
Camellia zijinica (Theaceae), a new species endemic to Danxia landscape from Guangdong Province, China
A new species of the genus Camellia (Theaceae), Camellia zijinica, discovered in the Danxia landscape from Guangdong Province, China, is characterized and illustrated. Phylogeneti…
Taxonomic novelties in Haplopappus (Asteraceae, Astereae) from Chile
Two new species of Haplopappus (Asteraceae) from central Chile are described in this article. Haplopappus colliguayensis sp. nov. is restricted to La Chapa hill, Colliguay, Valpar…
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).…
Isodon xiaoluzhiensis (Lamiaceae, Nepetoideae), a new species from Yunnan, southwest China
Isodon xiaoluzhiensis, a new species of the tribe Ocimeae in family Lamiaceae, is described and illustrated. The new species is known only from the type locality, Xiaoluzhi villag…
A new freshwater species of Pinnularia (Bacillariophyta) from Hunan Province, China
This study describes a new species of Pinnularia, P. hupingensis sp. nov., on the basis of light and scanning electron microscope images. Pinnularia hupingensis sp. nov. is charac…
Taxonomic dissection based on molecular evidence of the Eriosyce curvispina complex (Cactaceae): identifying nine ende…
Chile’s distinctive flora, geographical isolation, and complex topography collectively contribute to a notable endemic species diversity, particularly within central regions ident…
Hedysarum qilianshanense sp. nov. (Fabaceae, Hedysareae), a new species from the Qilianshan Mountains in Gansu, China
Hedysarum qilianshanense sp. nov. (Fabaceae, Hedysareae) is described and illustrated from the Qilianshan Mountains in Gansu, China. This new species is similar to H. przewalskii,…
Cyrtandra obliquifolia (Gesneriaceae), a new species from Kaua‘i, Hawaiian Islands
Cyrtandra obliquifolia K.R. Wood & W.L. Wagner (Gesneriaceae), a new shrub species known only from Kaua‘i, Hawaiian Islands, is described and illustrated with notes on its distrib…
Aletris guangxiensis (Nartheciaceae), a new species from Guangxi, China
Aletris guangxiensis Y. Nong & Y. F. Huang (Nartheciaceae), a new species from Guangxi, China, is described and illustrated. This new species is most similar to A. scopulorum, but…
From morphology to molecules: A comprehensive study of a novel Derris species (Fabaceae) with a rare flowering habit a…
Derris rubricosta Boonprajan & Sirich., sp. nov., a new species of the genus Derris Lour. (Fabaceae) was discovered in Peninsular Thailand. The overall morphology demonstrates tha…
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…
A new species of genus Crenotia (Bacillariophyta) from Tibet, China
During the investigation of the freshwater diatoms from Tibet, a monoraphid species was observed from a hot spring near Anduo County, located on a plateau in the central portion o…
Description of five new Luticola D.G.Mann (Bacillariophyta, Diadesmidaceae) species from Indonesia with comments on th…
During a survey of the Indonesian diatoms, five Luticola D.G.Mann taxa that could not be identified, based on the available literature were discovered. Based on light microscopy, …
Vaccinium usneoides (Ericaceae), a new species from Yunnan, China
Vaccinium usneoides (Ericaceae), a new species from Fugong County of Yunnan Province, China is described and illustrated. This new species belongs to Vaccinium sect. Calcicolus an…
Distribution and morphology of the diatom genus Olifantiella Riaux-Gobin & Compère in Indonesian and Australian waters…
Samples from coastal tropical waters of Central Sulawesi, Bangka Island and Bawean Island in Indonesia and from the Great Barrier Reef at Fitzroy Island in Queensland, Australia w…
The first epiphytic species of Valeriana in the world: Valeriana rudychazaroi (Caprifoliaceae)
The currently known species of Valeriana are herbs, shrubs, small trees and vines. After 20 years without new species of Valeriana in Mexico, here is described and illustrated the…
Primula lizipingensis (Primulaceae), a new species from Sichuan, China
A new species, Primula lizipingensis W.B.Ju, L.Y.He & X.F.Gao, found in Shimian County, Sichuan, China, is described and illustrated. It is morphologically similar to P. rhodochro…
Molecular and morphological evidence for a new species of Stachys (Lamiaceae) from Hunan, China
Stachys yingzuijieensis, a new species from western Hunan, China, is described and illustrated. Molecular phylogenetic analyses based on three nuclear ribosomal DNA loci (ETS, ITS…
A new species of Casearia Jacq. (Salicaceae) from Central Panama and insights into its phylogenetic position within the…
We describe here a new species of Casearia from Panama based on both morphological and molecular data. Casearia isthmica sp. nov. is restricted to the mid-elevation cloud forests …
An integrative approach to species delimitation sinks three Chinese limestone karst Elatostema (Urticaceae) species
Elatostema is recognized as a taxonomically difficult group due to the reduced nature of the tiny flowers and inflorescences, also the large number of species (ca 650 to 700). Dif…
Rhynchospora mesoatlantica (Cyperaceae), an imperiled new species of beaksedge from eastern U.S.A.
Rhynchospora mesoatlantica sp. nov. (Cyperaceae) is described, illustrated, and compared with morphologically similar species. Rhynchospora mesoatlantica is known only from southe…
Eugenia sarahchazaroi (Myrtaceae, Myrteae), a new species from the cloud forest of Mexico
Following the description of Eugenia naraveana in 2016 from the cloud forest of the Cofre de Perote volcano, Mexico, the doubt about the existence of another unlocalized and sympa…
A new species of Cotoneaster (Rosaceae) from western Sichuan, China
Cotoneaster densiflorus, a new species of Rosaceae from western Sichuan, China, is described and illustrated. Morphologically, we inferred that the new species belongs to Cotoneas…
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…
Gelidocalamus albozonatus (Poaceae, Bambusoideae), a new species from the southeast of Chongqing, China, and analysis …
Gelidocalamus albozonatus W. G. Zhang, S. R. Yi & Y. L. Li, a new species of Gelidocalamus, collected from Pengshui County of Chongqing City in China, was described and illustrate…
Synotis jinpingensis (Asteraceae, Senecioneae), a new species with white ray florets from southeastern Yunnan, China
Synotis jinpingensis (Asteraceae, Senecioneae), a new species from Jinping county in southeastern Yunnan province, China, is described and illustrated. This species is distinguish…
Lysimachia cavicola (Primulaceae), a new species from Guangxi, China
Lysimachia cavicola (Subgen. Idiophyton, Primulaceae), a new species from Guangxi, China, is here described and illustrated based on morphological data. Although it shares similar…
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…
Mazus motuoensis (Mazaceae), a new species from Xizang, China
Mazus motuoensis W.B.Ju, Bo Xu bis & X.F.Gao is a newly described species found in Xizang Autonomous Region, China. Morphologically, this species differs from all the other known …
Gesneria tuberifera (Gesneriaceae), a new lithophytic species from the Sierra de Bahoruco, Barahona Peninsula of south…
A narrowly endemic new species of Gesneria is described from the Sierra de Bahoruco in the Dominican Republic’s Barahona Peninsula of southern Hispaniola. Gesneria tuberifera J.L.…
Bomarea pastazensis (Alstroemeriaceae), an exceptionally small new species from the eastern Andean slopes of Ecuador
Recent field research on the eastern slopes of the Andes resulted in the discovery of a new species of Bomarea from the Cerro Candelaria Reserve in the Tungurahua province of Ecua…
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…
Preliminary checklist of the genus Festuca L. (Loliinae, Pooideae, Poaceae) in the Altai Mountains with outlines for f…
Here we present an updated checklist of the genus Festuca in the Altai Mountains (AM). The study was carried out on the abundant herbarium material and considered the latest publi…
Taxonomic revision of Camellia langbianensis (Theaceae) with four new synonyms
Based on analysis of morphologically diagnostic characters, Camellia langbianensis, a yellow camellia native to southern Vietnam, is taxonomically revised to include four new hete…
Walsura guangxiensis (Meliaceae), a new species from Guangxi, China
Walsura guangxiensis (Meliaceae), a new species from Guangxi, China, is here described and illustrated. The new species is easily distinguishable from the other two Chinese member…
A new species of Mollinedia (Monimiaceae, Laurales) from the Quadrilátero Ferrífero, Brazil
Monimiaceae comprises approximately 26 genera and 250 species, with a pantropical distribution, predominantly occurring in humid forests. In Brazil, it is represented by five gene…
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…
Karyotype and genome size variation in Delphinium subg. Anthriscifolium (Ranunculaceae)
Five taxa of Delphinium subg. Anthriscifolium have been karyologically studied through chromosome counting, chromosomal measurement, and karyotype symmetry. Each taxon that we inv…
Primula xilingensis (Primulaceae), a new species from Sichuan, China
A new species, Primula xilingensis K.Huang & Z.X.Fu, sp. nov. (Primulaceae), is described and illustrated. In gross morphology, it is clearly allied to section Minutissimae on acc…
Lagerstroemia stenophylla (Lythraceae), a new species from China
Lagerstroemia stenophylla, a new species from southeastern Shaanxi Province and northwestern Hubei Province of China is described. Morphologically, L. stenophylla resembles L. sub…
Generic concepts and species diversity within the Gynoxyoid clade (Senecioneae, Compositae)
The Gynoxyoid clade of the Senecioneae (Asteraceae) until now included the five genera Aequatorium, Gynoxys, Nordenstamia, Paracalia and Paragynoxys as diagnosed using selected mo…
Phylogenomic inference of the African tribe Monodoreae (Annonaceae) and taxonomic revision of Dennettia, Uvariodendron…
Monodoreae (Annonaceae) is a tribe composed of 11 genera and 90 species restricted to the tropical African rain forests. All the genera are taxonomically well circumscribed except…
New species of Asclepias (Apocynaceae), Baphia (Leguminosae), Cochlospermum (Bixaceae) and Endostemon (Lamiaceae) from…
Four new species are described from central and eastern Angola and adjacent NW Zambia. All occur in Kalahari sand savannas rich in endemic and more widely distributed geoxylic suf…
A new species of Iochroma Benth. (Solanaceae) from the eastern Andes of Colombia
Iochroma orozcoae A.Orejuela & S.D.Sm., sp. nov. (Solanaceae) is described from the Andean forests of Cundinamarca in the eastern cordillera of Colombia. Iochroma orozcoae was fir…
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 …
Craspedostauros nazmii sp. nov., a new diatom species (Bacillariophyta) from the Turkish Coast of the Black Sea
Craspedostauros E.J. Cox is a diatom genus comprising 17 taxa reported from various regions of the world. While many species of Craspedostauros are epibiontic, the taxa have varia…
Mitreola quanruii (Loganiaceae), a new species from a karst region in Guangxi, China
Mitreola quanruii , a new species from Guangxi, China, is described and illustrated in this study. It is morphologically similar to M. liuyanii because of the terete stem…