PhytoKeys

1332 published works on OPTIMAP from this source.

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Known totals: OpenAlex: 2133 · OAI-PMH: 2115

1332 works

Showing 1001 to 1050 of 1332 works

A sticky and heavily armed new species of Solanum (Solanum subg. Leptostemonum, Solanaceae) from eastern Brazil

We describe a new species of spiny Solanum (Solanum subg. Leptostemonum), endemic to the Brazilian Atlantic Forest and associated with granitic outcrops (inselbergs or sugar loaf …

Chrysosplenium ramosissimum Y.I.Kim & Y.D.Kim (Saxifragaceae), a new species from Korea

This study describes and illustrates Chrysosplenium ramosissimum, a new plant species from Mt. Seonjaryeong, located in the central region of the Korean Peninsula. The species is …

A new disjunct species of Eriolaena (Malvaceae, Dombeyoideae) from Continental Africa

Eriolaena rulkensii Dorr, sp. nov. is described and illustrated. This attractive shrub is endemic to coastal Mozambique. The new species has apically winged seeds, which place it …

Two new species of Raphia (Palmae/Arecaceae) from Cameroon and Gabon

Raphia (Arecaceae, Calamoideae) is the most diverse genus of African palms with around 20 species. Two new species from Cameroon and Gabon, Raphia gabonica Mogue, Sonké & Couvreur…

A new large-flowered species of Andeimalva (Malvaceae, Malvoideae) from Peru

Andeimalva peruviana Dorr & C.Romero, sp. nov., the third Peruvian endemic in a small genus of five species, is described and illustrated from a single collection made at high ele…

Two new species of Hiptage (Malpighiaceae) from Yunnan, Southwest of China

Hiptage pauciflora Y.H. Tan & Bin Yang and Hiptage ferruginea Y.H. Tan & Bin Yang, two new species of Malpighiaceae from Yunnan, South-western China are here described and illustr…

Hedychium viridibracteatum X.Hu, a new species from Guangxi Autonomous Region, South China

Hedychium viridibracteatum X.Hu, a new species from Guangxi Zhuang Autonomous Region, South China, is described and illustrated. Hedychium viridibracteatum X.Hu is included in the…

Coccomyxa greatwallensis sp. nov. (Trebouxiophyceae, Chlorophyta), a lichen epiphytic alga from Fildes Peninsula, Antar…

A single-celled green alga Coccomyxa greatwallensis Shunan Cao & Qiming Zhou, sp. nov., isolated from a specimen of Antarctic lichen Psoroma hypnorum (Vahl) Gray, is described and…

Novitates neocaledonicae X: A very rare and threatened new microendemic species of Acropogon (Malvaceae, Sterculioideae…

A new species, Acropogon horarius Gâteblé & Munzinger, sp. nov. (Malvaceae, Sterculioideae), is described from New Caledonia. It is known only from two very small subpopulations i…

Completing the jigsaw: the first record of the female plant of Daphnopsis filipedunculata (Thymelaeaceae), an endemic s…

The results of intensive fieldwork in the National Forest of Carajás (FLONA Carajás) led to the discovery of pistillate plants of Daphnopsis filipedunculata, an endemic species fr…

A new genus of temperate woody bamboos (Poaceae, Bambusoideae, Arundinarieae) from a limestone montane area of China

Ampelocalamus calcareus is a climbing and slender bamboo, known from south Guizhou, China. This species grows in broadleaved forests of limestone montane areas. Recent molecular p…

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…

Eutrema nanum (Brassicaceae), a new species from Chola Shan, Southwest China

Eutrema nanum, a new high-elevation (4500–4600 m) species from Chola Shan, Sichuan (Southwest China), is described and illustrated. It is similar morphologically to E. nepalense b…

A revision of the Old World Black Nightshades (Morelloid clade of Solanum L., Solanaceae)

The Morelloid clade, also known as the black nightshades or “Maurella” (Morella), is one of the 10 major clades within Solanum L. The pantropical clade consists of 75 currently re…

Atlas of diatoms (Bacillariophyta) from diverse habitats in remote regions of western Canada

High-resolution LM images of diatoms from remote regions of western Canada are presented as a contribution to our knowledge of diatom floristics, ecology and biogeography in North…

Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Com…

I present the first taxonomic revision for T. subg. Austrotradescantia, based on extensive field, cultivation and herbaria studies. I accept 13 species, three of them (i.e. T. atl…

Phylogeny of Muhlenbergia subg. Pseudosporobolus, including M. spatha (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergi…

Muhlenbergia spatha, previously known only from near the type locality in San Luis Potosí, is reported from two localities in Zacatecas, Mexico. Historically, botanists have overl…

Updated checklist of Poa in the Iberian Peninsula and Balearic Islands

Based on our study of 4,845 herbarium sheets of the genus Poa from the area covered by Flora iberica, namely, the Iberian Peninsula and the Balearic Islands, we recognise 24 taxa …

Manihot takape sp. nov. (Euphorbiaceae), a new tuberous subshrub from the Paraguayan Chaco

Manihot takape De Egea & Peña-Chocarro, sp. nov. is described and illustrated as a new species from the Paraguayan Chaco. It was collected while carrying out fieldwork related to …

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…

Poa laegaardiana, a new species from Ecuador (Poaceae, Pooideae, Poeae, Poinae)

Poa laegaardiana sp. nov., is described and illustrated. The new species was found growing on sandy, volcanic soil in Festuca-Calamagrostis dominated grasslands southwest of Ambat…

Sindora stipitata (Detarioideae, Leguminosae), a new species from Thailand

Sindora stipitata, a new species in the subfamily Detarioideae (Leguminosae), collected from Nakhon Phanom Province, Thailand, is described and illustrated. The new species is mor…

A taxonomic revision of Curarea Barneby & Krukoff (Menispermaceae)

A monograph of Curarea, a neotropical genus in the plant family Menispermaceae, is presented. Curarea is distinguished from related genera by the combination of staminate flowers …

Psoralea forbesiae (Psoraleeae, Fabaceae), a new species from the Swartberg Mountains of South Africa

Psoralea forbesiae C.H.Stirt., A.Bello & Muasya is a new species of Psoraleeae, Fabaceae. Psoralea forbesiae is endemic to the Swartberg Mountains and is a tall densely branched r…

Coccomyxa antarctica sp. nov. from the Antarctic lichen Usnea aurantiacoatra

The single celled green alga Coccomyxa antarctica Shunan Cao & Qiming Zhou, sp. nov. was isolated from the Antarctic torrential lichen Usnea aurantiacoatra (Jacq.) Bory. It is des…

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…

Chiococca grandiflora (Rubiaceae), a new species from Northern Mexico

The new species Chiococca grandiflora Lorence & T.Van Devender from Sinaloa and Sonora, Mexico differs from its congeners by its larger, showy white flowers in compact cymes of 3–…

Carpinus tibetana (Betulaceae), a new species from southeast Tibet, China

A new species Carpinus tibetana Z. Qiang Lu & J. Quan Liu from southeast Tibet is described and illustrated. The specimens of this new species were previously identified and place…

New taxonomic and conservation status of Ossiculum (Vandeae, Orchidaceae), a highly threatened and narrow-endemic angra…

In the context of producing a revised phylogenetic Linnean taxonomy of angraecoid orchids, the monotypic and narrow-endemic genus Ossiculum is synonymised with Calyptrochilum. Acc…

A revision of Xylopia L. (Annonaceae): the species of Tropical Africa

A revision of the 45 species of the pantropical genus Xylopia in Tropical Africa includes descriptions of six new species and a new section of the genus. The fruits and seeds of X…

Staying cool: preadaptation to temperate climates required for colonising tropical alpine-like environments

Plant species tend to retain their ancestral ecology, responding to temporal, geographic and climatic changes by tracking suitable habitats rather than adapting to novel condition…

Afropectinariella (Vandeae, Orchidaceae), a new genus of the Angraecum alliance

A recent phylogenetic study showed that species assigned to the newly recognised genus Pectinariella Szlach., Mytnik & Grochocka (previously treated as Angraecum Bory sect. Pectin…

Floristic affinities of the lowland savannahs of Belize and southern Mexico

Environmental heterogeneity of Belize and southern Mexico savannahs as well as their geographical location suggest that these plant communities share floristic elements, making th…

Describing terminologies and discussing records: More discoveries of facultative vivipary in the genus Hedychium J.Koen…

The authors introduce the term facultative vivipary for the first time in gingers and elaborate on this reproductive strategy. Four new observations of facultative vivipary are re…

The identity of Hypolepis robusta, as a new synonym of Hypolepis alpina (Dennstaedtiaceae), based on morphology and DNA…

Based on field observations and examinations of herbarium specimens (including type material), consulting the original literature and molecular phylogenetic analysis of the rbcL a…

Ophiorrhiza guizhouensis (Rubiaceae), a new species from Guizhou Province, southwestern China

In this study, Ophiorrhiza guizhouensis, a new species of Rubiaceae from south-western China, is described and illustrated. The new species is morphologically similar to O. japoni…

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 …

A taxonomic study of Quercus langbianensis complex based on morphology and DNA barcodes of classic and next generation …

The taxonomy of Quercus langbianensis and its relatives in Vietnam and Cambodia have been revised based on evidence obtained from field observations, morphological comparison of h…

Taxonomy, palynology and distribution notes of seven species of Passiflora L. (Passifloraceae s.s.) newly recorded from…

Passiflora subgenus Astrophea is one of the five recognised subgenera of Passiflora. Brazil presents ca. 26 species of this subgenus with the majority distributed in the Amazon Ba…

Lithocarpus vuquangensis (Fagaceae), a new species from Vu Quang National Park, Vietnam

Lithocarpus vuquangensis Ngoc & Hung is described from Vu Quang National Park, North Central Vietnam. The morphological comparison and phylogenetic analysis based on rbcL, matK an…

Lobelia hongiana (Campanulaceae), a new species from Guangxi, China

Lobelia hongiana, a new species of Campanulaceae from Guangxi, South China, is described and illustrated here. This new species is most similar to L. chinensis and L. loochooensis…

Hedychium putaoense (Zingiberaceae), a new species from Putao, Kachin State, Northern Myanmar

Hedychium putaoense Y.H. Tan & H.B. Ding, a new species of Zingiberaceae from Putao, Kachin state, Northern Myanmar, is described and illustrated. It is similar to H. densiflorum …

Two new species of Trivalvaria (Annonaceae) from northern Myanmar

Trivalvaria rubra and Trivalvaria casseabriae, two new species of Annonaceae from Putao, Kachin State, Myanmar, are here described and illustrated. They are morphologically simila…

Two new species of Oreocharis (Gesneriaceae) from Fan Si Pan, the highest mountain in Vietnam

Two new species of Oreocharis Benth. from Fan Si Pan, the highest mountain in Vietnam (Sa Pa) are described and illustrated. Oreocharis grandiflora W.H.Chen, Q.H.Nguyen & Y.M.Shui…

Aristolochia sinoburmanica (Aristolochiaceae), a new species from north Myanmar

Aristolochia sinoburmanica Y.H.Tan & B.Yang, a new species of Aristolochiaceae from Putao, Kachin State, Myanmar, is described and illustrated. According to morphology (strongly c…

Rediscovery and amended descriptions of Begonia kingdon-wardii (Begoniaceae) from North Myanmar

Begonia kingdon-wardii Tebbitt was rediscovered in 2014 from Myanmar after 67 years based on its last collection in 1937. Its previously unknown female flower and inaccurate morph…

Premna grandipaniculata (Lamiaceae, Premnoideae), a remarkable new species from north Myanmar

A remarkable new Premna species from Myanmar, P. grandipaniculata Y.H.Tan & Bo Li (Lamiaceae), is here described and illustrated. It differs from all known congeneric taxa by havi…

Primulina malipoensis (Gesneriaceae), a new species from Sino-Vietnamese border area

Primulina malipoensis, a new species from limestone areas around the Sino-Vietnamese border, is described and illustrated. This new species is morphologically similar to P. maguan…

Seven new species of Begonia (Begoniaceae) in Northern Vietnam and Southern China

Since 2016, KIB (Kunming Institute of Botany) and CPC (Centre for Plant Conservation of Vietnam) have conducted several surveys in the transboundary karst regions in Northern Viet…