PhytoKeys

1332 published works on OPTIMAP from this source.

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

1332 works

Showing 51 to 100 of 1332 works

Astragalus wuqiaensis (Fabaceae, Papilionoideae, Astragaleae), a new species from Xinjiang, China

During an extensive botanical survey in Ulugqat Township, Wuqia County, Xinjiang, China—a region along the country’s western border that remains significantly understudied—Astraga…

Petrocodon dahuaensis (Gesneriaceae), a new species from the limestone area of Guangxi, China

Petrocodon dahuaensis, a new species from a limestone area of Guangxi, China, is described and illustrated. The new species is similar to P. asterostriatus but differs in its leaf…

Coptis wawushanensis (Ranunculaceae), a new species from Sichuan, China

Based on morphological and plastid data, Coptis wawushanensis (Ranunculaceae), a new species from Hongya, Sichuan, China, is described and illustrated. Phylogenetic analyses (Maxi…

A new species of Bamboo (Poaceae, Bambusoideae) from coastal, southern Vietnam

A newly discovered species of the paleotropical woody bamboo subtribe Bambusinae (Poaceae, Bambusoideae), Cochinchinochloa salta V.T. Tran, from coastal areas of Phu Yen Province,…

An updated checklist of Lysionotus (Gesneriaceae) and two new species from southwestern China

By reviewing the taxonomic history of Lysionotus, we provide an updated checklist of the species currently accepted in the genus. Currently, 39 species, one subspecies, and four v…

Two new Meiogyne species from Malesia and new combinations in Meiogyne and Monoon (Annonaceae) in the Asia-Pacific regi…

Two new species of Meiogyne (Annonaceae) are described from Malesia based on morphological evidence and the results of a recent molecular phylogenetic study: Meiogyne saundersii f…

Primulina acutiloba (Gesneriaceae), a new species from Northwest Guangxi, China

A new species of Gesneriaceae, Primulina acutiloba C.Xiong, J.X.Fu & F.Wen, from the limestone karsts of Northwest Guangxi, China, is described and illustrated. Morphologically, i…

Gentiana daofuensis (Gentianaceae), a new species from Sichuan, China

Gentiana daofuensis, a new species of the family Gentianaceae, is described and illustrated here. Currently, this species is known only from Daofu County, Sichuan Province, China.…

Descriptions of a new species, validation of a name, and elevation of a variety in Iris (Iridaceae) from China

Iris cariciformis Z.Z.Zhang & G.X.Zhang, sp. nov. from China is described and illustrated. This species grows on cliff faces or open slopes in the central Qinling Mountains. Morph…

Passiflora agudeloi (Passifloraceae, subgenus Decaloba): A new endemic species from cloud forests in the Central Cordil…

Passiflora agudeloi is herein recognised as a distinct species, based on a unique combination of vegetative, floral and seed characters. It differs from morphologically related sp…

Solenopsis sphaciotica (Campanulaceae) a new species from Crete

A new species of Solenopsis (Campanulaceae), S. sphaciotica, is described and illustrated from Crete, Greece. Morphologically, it shows close affinities with S. gutermannii by hav…

Morphological and molecular characterization of Halamphora lukasiewiczii sp. nov. (Bacillariophyceae, Amphipleuraceae),…

Crude oil is toxic in high concentrations. However, several microalgae are able to proliferate in these extreme environments. In this study, we describe diatoms in natural oil see…

Radula rheophila, a new species of Radula (Radulaceae) from Thailand and Brunei Darussalam

During a revision of Radulaceae in Southeast Asia, an undescribed species of the genus Radula was discovered from Thailand and Brunei Darussalam. Morphological characters were exa…

Morphological variation in the Rhododendron pseudochrysanthum Hayata (Ericales, Ericaceae) species complex from Taiwan

Our study examines the morphological and statistical differentiation within the Rhododendron pseudochrysanthum species complex through comparative analyses of macro- and micro-mor…

Commemorating a conservation trifecta: Three new species of Glossoloma (Gesneriaceae) honoring a donor, a family of for…

During a 2016 field course in the Cerro Candelaria Reserve in the Pastaza Valley on the eastern slopes of the Ecuadorian Andes, three new species of Glossoloma (Gesneriaceae) were…

A new densely-haired aroid species of Homalomena (Araceae) from North Sumatra, Indonesia

Homalomena lingua-felis is newly described from Tapanuli (North Sumatra Province, Indonesia). This species resembles H. pexa from which can be easily distinguished by its shorter …

A commented checklist and key for the genus Carex (Cyperaceae) in Peru

Carex is one of the most species-rich genera of vascular plants worldwide and it is a dominant element in cold and temperate regions. However, its diversity in South America…

Heteropolygonatum xishuiense (Asparagaceae, Convallarioideae, Polygonateae), a new species from Danxia cliffs in Guizho…

Heteropolygonatum xishuiense (Asparagaceae, Convallarioideae, Polygonateae), a new microendemic species from southwest China, is described and illustrated based on morphological c…

Synopsis of the genus Raphia P. Beauv. (Arecaceae, Calamoideae) in the Republic of the Congo

Raphia is a genus of palm belonging to the family Arecaceae composed of 22 species. Recent floral treatments of the genus have been published for the Central African region but da…

A key to the Sabdariffa scotellii (Baker f.) Mwachala & R.L.Barrett group (Malvaceae, Hibisceae) in West Africa with de…

Two species new to science from the Republic of Guinea, West Africa are placed in the informal Sabdariffa scotellii group within Sabdariffa (formerly Hibiscus sect. Furcaria, Malv…

Impatiens ngariensis (Balsaminaceae), a new species from Xizang, China

A new species, Impatiens ngariensis (Balsaminaceae) from western Xizang, China, is described in this study. Morphological and phylogenetic evidence supports its taxonomic placemen…

Taxonomic revision of the neophyte nightshades (Solanum, Solanaceae) in European Russia and the North Caucasus

The alien Solanum species in European Russia and the North Caucasus have never been revised. Over the past three decades, several exotic species have been found in various parts o…

Primula daguanensis (Primulaceae), a new species from Yunnan, China

Primula daguanensis W.B.Ju, B.Xu & J.Ru is described and illustrated as a new species from Daguan County, Yunnan Province, China. It is assigned to the Primula sect. Petiolares su…

Lysimachia yulongensis (Primulaceae), a new species in Lysimachia sect. Pumilae from Yunnan, China

Lysimachia yulongensis Z.K.Wu & Ming Y.Sheng, a new species of Primulaceae from Yunnan, China, is described and illustrated. Morphological evidence places L. yulongensis within Ly…

Euonymus maotaiensis M.T.An & Xu Wu, sp. nov., a new species of Euonymus (Celastraceae) from southwest China

This paper describes a new species of the genus Euonymus from Guizhou Province in southwestern China, Euonymus maotaiensis. The new species is morphologically similar to E. chlora…

Vincetoxicum samothracicum (Apocynaceae), a new species from Mt. Saos, Samothraki Island, Greece

Samothraki, an island of the North Aegean region of Greece, hosts a remarkable flora that includes seventeen endemics restricted to its boundaries and several species of phytogeog…

Catalpa lutea (Bignoniaceae), a new species from north, central, and east China

Catalpa lutea J.H.Wang, W.J.Ma & Z.Y.Li, a new species of Bignoniaceae from north, central, and east China, is described and illustrated. By combining recent morphological compari…

Camellia shangshii (Theaceae), a new species endemic to danxia landscape from Guangdong Province, China

Camellia shangshii, a new species discovered in the danxia landscape of Danxiashan Mountain, Guangdong Province, China, is formally described and illustrated here. Morphologically…

Impatiens longcanggouensis (Balsaminaceae): a new species from Sichuan, China

Impatiens longcanggouensis Q.Luo (Balsaminaceae), a new species from Yingjing County, Sichuan Province, China, is described and illustrated. Its morphology, including pollen and s…

Revision of Amana yunjuensis (Liliaceae) based on morphological and molecular evidence: synonym of Amana anhuiensis

Based on the integrated morphological and molecular evidence, Amana yunjuensis, originally described from Mt. Yunju in Jiangxi province, is demonstrated not essentially different …

Systematic history and updated generic key of the tribe Spathicarpeae (Aroideae, Araceae)

The Neotropical tribe Spathicarpeae (Araceae, Aroideae) comprises 14 genera distributed from southern Mexico to Uruguay. Despite its complex taxonomic history, the tribe lacks a c…

Impatiens tainingensis (Balsaminaceae), a new species from southeastern China

Impatiens tainingensis J.-D.Lin & P.Li, sp. nov., is described and illustrated. It was collected from a moist valley of Mt. Zhuangyuanyan, Fujian Province, in Southeastern China. …

Arachniodes × tohtomiensis hyb. nov. (Dryopteridaceae) from Japan

This study aims to characterize a hybrid of Arachniodes (Dryopteridaceae), A. × tohtomiensis, for which molecular evidence of its origin and detailed morphological descriptions ar…

Lycoris × xiui, a new wild nothospecies from Anhui, China, a hybrid between L. longituba and L. sprengeri (Amaryllidace…

A new wild nothospecies, Lycoris × xiui S.Y.Zhang, Ying F.Hu & J.W.Shao, from Anhui Province in eastern China, is described and illustrated based on complete chloroplast genome, m…

Dryopteris ningqiangensis, a new species of Dryopteridaceae from Shaanxi, China

Dryopteris ningqiangensis, a new fern species of Dryopteridaceae from Shaanxi, China, is described and illustrated herein. Morphologically, D. ningqiangensis belongs to the D. var…

Resolving the taxonomic enigma of Nesocaryum stylosum (Boraginaceae): phylogenetic evidence for its reclassification as…

The classification of Nesocaryum stylosum (Boraginaceae) has remained unresolved for nearly a century. This species is endemic to Isla San Ambrosio, a small island located approxi…

Colocasia sookchaloemiae (Araceae), a new species from northeastern Thailand

Colocasia sookchaloemiae (Araceae) is described from Phu Pha Yol National Park (northeastern Thailand). It is morphologically similar to C. fallax, from which it differs in having…

Peperomia kauaiana (Piperaceae), a new alternate-leaved species from Kaua‘i, Hawaiian Islands and notes on two possibly…

A new species of Peperomia with alternate leaves from Kaua‘i, Hawaiian Islands, is described and illustrated, with notes on its conservation status, distribution and ecology. We p…

Rhododendron mulunense (Ericaceae), a new species from the karst mountains of Guangxi and Guizhou provinces, China

Rhododendron mulunense, a new species of Rhododendron (Ericaceae) within subsect. Maddenia in sect. Rhododendron and endemic to karst areas of Guangxi and Guizhou Province, SW Chi…

Morphological and molecular studies of Mallomonas species from section Multisetigerae (Chrysophyceae, Synurales) with d…

This research is devoted to the study of Mallomonas species from the section Multisetigerae in a tropical region (Vietnam and the Philippines) using electron microscopy and molecu…

A new species of Echinodorus (Alismatales, Alismataceae) from the Chaco region with a waterlily soul

We describe Echinodorus nenufar, a new species from ephemeral aquatic environments in the dry Chaco region of northern Argentina and western Paraguay. This species is readily dist…

Mallomonas imperatoria (Chrysophyceae, Synurales)—a new taxon from the tropics

This study investigates the Mallomonas adamas species complex in a tropical region using electron microscopy and molecular phylogeny. Analysis of four algal cultures from Vietnam,…

Columnea rubromarginata (Gesneriaceae), a new species from the western Andean slopes of Colombia and Ecuador

Field expeditions to the western Andean slopes of Colombia and ongoing herbarium research resulted in the discovery of a new species of Columnea (Gesneriaceae). Columnea rubromarg…

A new dioecious bush tomato, Solanum nectarifolium (Solanaceae), from the northern Tanami Desert, Northern Territory, A…

A new species of functionally dioecious bush tomato from the “Solanum dioicum + S. echinatum group” of Solanum subgenus Leptostemonum is described. Solanum nectarifolium Martine &…

A revision of the Mallomonas guttata species complex (Synurales, Chrysophyceae) based on morphological and molecular cr…

Mallomonas guttata species complex was investigated in a tropical region using electron microscopy and molecular phylogeny. A study of six algal cultures belonging to the M. gutta…

Diversity of silica-scaled chrysophytes (Chrysophyceae) from Mindanao Island (Philippines) with the description of Mall…

This study presents the first comprehensive investigation of chrysophytes from the Philippines. The flora of silica-scaled chrysophytes from freshwaters of Mindanao Island has bee…

Sedum qingyuanense (Crassulaceae), a new species from Qingyuan, Guangdong, China

This study describes a new species of Sedum (Crassulaceae), Sedum qingyuanense sp. nov. discovered in Qingyuan City, Guangdong Province, China. Morphologically, S. qingyuanense re…

Morphology and molecular phylogeny of Mayamaea densestriata sp. nov. (Bacillariophyceae), a new terrestrial species fro…

A new terrestrial diatom species, Mayamaea densestriata sp. nov., is described from moist agricultural soil in Henan Province, China. Morphologically, it exhibits the typical diag…

Molecular and morphological insights into Phaeoceros himalayensis (Notothyladaceae) and related species: evidence for t…

The hornwort genus Phaeoceros is morphologically diverse, particularly in sporophyte and spore characters. Among its members, P. himalayensis and P. kashyapii, two previously know…

Middletonia tiepiana (Gesneriaceae), a new species from southern Vietnam

A new species of Middletonia (Gesneriaceae), M. tiepiana, is described from Nui Chua National Park in southern Vietnam. This is the third species of the genus recorded in Vietnam,…