PhytoKeys
1332 published works on OPTIMAP from this source.
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1332 works
Showing 651 to 700 of 1332 works
Pulvinatusia (Brassicaceae), a new cushion genus from China and its systematic position
The new genus and species Pulvinatusia xuegulaensis (Brassicaceae) are described and illustrated. The species is a cushion plant collected from Xuegu La, Xizang, China. Its vegeta…
Molecular and morphological evidence for a new species of Pogostemon (Lamiaceae) from Hainan Island, China
Pogostemon hainanensis, a new species of Lamiaceae from Hainan Island, China, is described. The phylogenetic position of the new species within Pogostemon was investigated based o…
Achnanthidium bratanense sp. nov. (Bacillariophyceae, Achnanthidiaceae), a new diatom from the Lake Bratan (Bali, Indo…
A new species, Achnanthidium bratanense, is described from Lake Bratan, located on the island of Bali (Indonesia). The morphology of this species was analyzed with light (LM) and …
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…
The rediscovery of Carya poilanei (Juglandaceae) after 63 years reveals a new record from China
Despite having been first published in 1941, Carya poilanei (A.Chev.) J.-F.Leroy is only known from three collections in Vietnam, Laos and Thailand. It has not been recollected si…
Molecular phylogeny and taxonomy of the Hydrangea serrata complex (Hydrangeaceae) in western Japan, including a new su…
According to the contemporary classification of Hydrangea native to Japan, H. serrata is a polymorphic species including six varieties. We discovered a plant identified as H. serr…
Notes on Carex (Cyperaceae) from China (VIII): five new species and a new variety from southern and south-western China
Our field surveys and specimen examination of Carex from southern to south-western regions in China resulted in the discovery of five new species and one new variety, which are he…
Carex malipoensis (Cyperaceae), a new species from southeast Yunnan, China
Carex malipoensis, a new species from southeast Yunnan, China, is here described and illustrated. It is morphologically similar to C. trichophylla in sect. Euprepes, but differs f…
Species discrimination of novel chloroplast DNA barcodes and their application for identification of Panax (Aralioidea…
Certain species within the genus Panax L. (Araliaceae) contain pharmacological precious ginsenosides, also known as ginseng saponins. Species containing these compounds are of hig…
Karyotype and genome size variation in white-flowered Eranthis sect. Shibateranthis (Ranunculaceae)
Comparative karyomorphological analyses of six out of the eight white-flowered species of Eranthis sect. Shibateranthis have been carried out. All studied specimens of E. byunsane…
A new subspecies of Stellaria alsine (Caryophyllaceae) from Yakushima, Japan
An unknown taxon of Stellaria was discovered in Yakushima, a Japanese island known to harbor several endemic species. To determine the identity of this taxon, this study employed …
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…
Two new species of Rubus L. (Rosaceae) from the western Andes of Ecuador
Two new species of Rubus (Rosaceae) from the western Andes of northern Ecuador are described. Rubus longistipularis D.A. Espinel-Ortiz & Romol. is a scandent or climbing shrub fou…
Achnanthidium gladius sp. nov. (Bacillariophyceae) – a new monoraphid diatom species from Indonesia
A new monoraphid diatom species Achnanthidium gladius sp. nov. is described from Indonesia. The description is based on molecular data (18SV4), morphological analysis and comparis…
A new combination in Pseudolappula (Boraginaceae, Rochelieae) based on morphological, molecular and palynological evid…
Lappula sinaica was recently transferred to the monotypic genus Pseudolappula based on phylogenetic studies, while the related species, L. occultata, has remained in the genus Lap…
New and poorly known “araphid” diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a d…
Based on two Andean Altiplano samples and on light and scanning electron microscopy analyses, we present six new species of “araphid” diatoms in the genus Pseudostaurosira, P. aed…
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 …
Notes on Brazilian Pachira (Malvaceae, Bombacoideae) II: Additional typifications and new synonymies
The typification and status of the names of 14 species of Pachira (Malvaceae: Bombacoideae) found in Brazil are discussed, including type material from Brazil, the Guianas, Colomb…
Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China III: I. pseudohei, a new species from Yunnan, Sou…
Isotrema pseudohei, a new species from Yunnan, Southwest China, is described and illustrated. It is morphologically similar to I. hei and I. moupinense, but differs from the forme…
Coleus (Lamiaceae) in Peninsular Malaysia including two new species
In Peninsular Malaysia, Coleus is represented by five species. Two, C. hairulii Kiew and C. rafidahiae Kiew, are new species. Both are narrowly endemic and restricted to limestone…
Morphological and molecular evidence reveals three new species of Lithocarpus (Fagaceae) from Bidoup-Nui Ba National P…
Three new species, Lithocarpus bidoupensis Ngoc & Tagane, L. congtroiensis Ngoc & Yahara, and L. hongiaoensis Ngoc & Binh are described from Bidoup-Nui Ba National Park, Central H…
Materials to the revision of the genus Cranichis (Orchidaceae) in Bolivia
The diversity of Cranichis in Bolivia is evaluated. An updated key for identifying species is provided. Morphological characteristics of 15 species of Bolivian Cranichis are prese…
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…
Calceolaria flavida (Calceolariaceae) a new endemic species to central Chile
A new species of Calceolaria sect. Cheiloncos endemic to central Chile is described. A comparison with the morphologically similar species Calceolaria asperula and Calceolaria pet…
Studies in Austral Bryaceae (Bryopsida). III. A Preliminary Account with Keys to Rosulabryum J.R. Spence in Chile
A preliminary study of the genus Rosulabryum J.R. Spence in Chile is presented, with brief species descriptions, notes on ecology and distributions, and a taxonomic key. The follo…
Causonis sessilifolia (Vitaceae), a new species from Thailand
A new species, Causonis sessilifolia, from Thailand is described, based on morphological and phylogenetical methods. A full description, conservation assessment, a key, images and…
Lespedeza danxiaensis (Fabaceae), a new species from Guangdong, China, based on molecular and morphological data
Lespedeza danxiaensis (Fabaceae), a new species from Danxiashan National Nature Reserve in Guangdong Province, is described and illustrated. The new species is morphologically sim…
Rubus kaznowskii (Rosaceae), a new bramble species from south-central Poland
Based on field research in south-central Poland, supplemented with a review of herbarium materials, we identified a stable bramble biotype with a range large enough (190 km distan…
Dryopteris wulingshanensis (Dryopteridaceae), a new species from Hunan, China
Dryopteris wulingshanensis, a new species growing on limestone in the Wulingshan Mountains, Hunan, China, is described and illustrated. This species is most similar to D. jishouen…
Living in extreme environments: distribution of Lycium humile (Solanaceae), an endemic halophyte from the Altiplano-Pun…
Very few Solanaceae species are able to grow in saline soils; one of them is Lycium humile. This species is endemic to the Altiplano-Puna region (Central Andes, South America) whe…
Spiradiclis detianensis (Rubiaceae, Ophiorrhizeae), a new species from southwestern Guangxi, China
A new species of Rubiaceae, Spiradiclis detianensis is described from a limestone karst area of southwestern China. This new species is morphologically similar to S. cordata and S…
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…
Plagiothecium schofieldii, a new species from the Aleutian Islands (Alaska, USA)
Plagiothecium schofieldii sp. nov. is described from the Aleutian Islands, Alaska, U.S.A. Some morphological features of this species correspond to P. lamprostachys (Southern Hemi…
Genetic diversity of Salix lapponum populations in Central Europe
Salix lapponum is a cold-tolerant relict species in Europe that occurs in several sites, probably reflecting previous migration routes of S. lapponum during the Pleistocene. Howev…
Updated description of Diospyros dussaudii Lecomte (Ebenaceae), with lectotypification and notes on its distribution
Diospyros dussaudii is a poorly known species and previous descriptions lacked details about its female flowers and fruits. The species had not been recorded since type collection…
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…
Vitis shizishanensis, a new species of the grape genus from Hubei province, China
Vitis shizishanensis (Vitaceae), a new species from Hubei, China, is described and illustrated. It is morphologically similar to V. flexuosa and V. bryoniifolia, but differs in le…
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…
Marine and brackish Luticola D.G.Mann (Bacillariophyta) species from the Java Sea and South China Sea coasts with the d…
In this study, samples were collected from the Java Sea coasts, from the South China Sea in Hainan Island coasts and Quảng Yên region and Rú Chá mangrove near Hue in Central Vietn…
Hemiboea chanii (Gesneriaceae), a new species from limestone areas of northern Vietnam
Hemiboea chanii, a new species of Gesneriaceae from Ha Giang Province, northern Vietnam, is here described and illustrated. It has many branched stems, diamond-shaped involucre wi…
Cymbopleura natellia – a new species from Transbaikal area (Russia, Siberia) described on the basis of molecular and mo…
A new cymbelloid diatom species from the genus Cymbopleura (Krammer) Krammer is described on the basis of molecular and morphological investigations. Cymbopleura natellia Glushche…
Perrottetia taronensis B.M.Barthol. & K.Armstr., sp. nov. (Dipentodontaceae), a new species from northwestern Yunnan Pr…
Perrottetia taronensis from the Dulong Jiang valley in northwestern Yunnan Province, China and the Babulongtan mountain range in northern Kachin State, Myanmar is here described a…
Cirsium taiwanense (Compositae, Cirsium sect. Onotrophe, subsect. Australicirsium), a new species from Taiwan
A new species of Cirsium, C. taiwanense Y.H.Tseng & Chih Y.Chang from central-northern Taiwan is reported in this article. This species is similar to C. hosokawae Kitam. in having…
Euphorbia mbuinzauensis, a new succulent species in Kenya from the Synadenium group in Euphorbia sect. Monadenium (Euph…
Euphorbia mbuinzauensis, a succulent new species of the Synadenium group in Euphorbiaceae from Makueni County, Kenya, is described and illustrated. Morphologically, it is most sim…
Haplodontium altunense (Bryaceae, Bryopsida), a new moss species from Northwest China
Haplodontium altunense X.R.Wang & S.Mamtimin, a new moss species of the family Bryaceae from Xinjiang Uygur Autonomous Region, China is described and illustrated. Genetic analysis…
Corybas papillatus (Orchidaceae), a new orchid species from peninsular Thailand
A new species, Corybas papillatus, is described and illustrated from peninsular Thailand. The new species is easily recognized through a combination of the following characters: t…
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…