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Showing 4051 to 4100 of 6881 works
Endemism patterns of the vascular flora of Lebanon: A dynamic checklist
Given its high concentration of rare and endangered plant species, Lebanon is recognized as a biodiversity meso-hotspot within the Levant. This study presents a list of vascular p…
Hypericum shunhuangshanense (Hypericaceae), a new species from Hunan, China
Hypericum shunhuangshanense, a new species of Hypericaceae from the Shunhuangshan National Nature Reserve in Hunan Province, China, is described and illustrated, based on morpholo…
Towards a monophyletic Melicope (Rutaceae): Phylogenetic placement of Dutailliopsis and other New Caledonian genera, an…
Dutailliopsis (Rutaceae) is a scarcely known monotypic genus from New Caledonia. It is one of the few genera of Rutaceae that has never been included in a molecular phylogenetic s…
Aquatic macrophytes of Angola: a preliminary verified checklist
Aquatic macrophytes are photosynthetic macroscopic organisms that grow permanently or periodically submerged or floating on the surface of the water. The aim of this study is to c…
Lappula monocarpa, a new synonym of Lappula tenuis (Boraginaceae)
Lappula monocarpa is currently the sole described species within the genus Lappula characterized by the development of a single nutlet per fruit. However, since its initial public…
Paphiopedilum motuoense (Orchidaceae, Cypripedioideae), a new species from Motuo, Xizang, China
Paphiopedilum motuoense, a newly discovered orchid from Motuo County, Xizang, China, is described and illustrated. Paphiopedilum motuoense can be distinguished from the related Pa…
Reinstatement of Memecylon elegantulum (Melastomataceae) and recircumscription of Memecylon rostratum, two species ende…
Memecylon elegantulum Thwaites, a heterotypic synonym of M. rostratum Thwaites, is re-instated based on recent collections and field observations. The two species differ mainly in…
Rhizophora stylosa (Rhizophoraceae) newly recorded from Thailand: lectotypification, leaf anatomy, and pollen morphology
Rhizophora stylosa (Rhizophoraceae), previously known from India (Andaman and Nicobar Islands), China to Indo-China, and the Pacific Island, is reported here as a new record from …
Resurrection of the genus Homostylium Nees for the former Aster ser. Albescentes Y.Ling (Astereae, Asteraceae), with an…
Recent molecular phylogenetic studies have demonstrated extensive paraphyly of Aster ser. Albescentes Y.Ling. This woody-based shrubby group is both morphologically and molecularl…
Camellia yangii (Theaceae), a new species of tea plants (Camellia section Thea)
Camellia sect. Thea contains plants of beverage sources with huge profits. Their natural germplasm resources have yet to be fully explored. Here, morphological, phenological and p…
Fragilariforma meireana, a new araphid diatom species (Bacillariophyta) producing internal valves from Flanders
During a biodiversity survey around the historic Flemish town of Damme, a large Fragilariforma taxon was observed in a small pond that could not be identified using the currently …
Systematics and floral micromorphology of core Aster and its related groups (Asteraceae, Astereae): Taxonomic significa…
Four floral microcharacters were examined within 40 species of core Aster and its related groups in the genus Aster L. (Asteraceae, Astereae). These microcharacters included corol…
Systematics, natural history, and conservation of Erica (Ericaceae)
Worldwide, many tens of thousands of plant species are threatened with extinction in the wild. Those that are naturally rare or have narrow distributions are particularly vulnerab…
Rubus semiplenus (Rosaceae), a new species with naturally occurring semi-double flowers from Hunan, China
The semi-double (semiplenus) floral trait is highly valued in the field of horticulture, yet it remains exceptionally rare in wild plants. Rubus semiplenus, a new species with nat…
Synopsis of the genus Elymus (Poaceae) in Uzbekistan (Middle Asia) with a description of Elymus uzbekistanicus a new sp…
A synopsis of the genus Elymus in Uzbekistan, including a description of the genus and species, a key to species identification, illustrations, geographical distribution, and habi…
Cardamine mangshanensis, a new species of Brassicaceae from limestone landform in Southern Hunan, China
Cardamine mangshanensis, a new species, is described and illustrated from the limestone landform in southern Hunan, China. The new species is similar to C. macrophylla, but differ…
Heathers (Erica, Ericaceae) of Madagascar: taxonomy, evolution, ecology and uses
The plant genus Erica L. (heathers; anjavidy in Malagasy) has 35 recognised species in Madagascar, but there has not been a taxonomic revision since 1927 and there are few identif…
Cardamine tangutorum O.E.Schulz (Brassicaceae), a new synonym of Cardamine macrophylla Willd
Cardamine macrophylla Willd. and Cardamine tangutorum O.E.Schulz are both widely distributed plants of the genus Cardamine L. in East Asia, and they are regarded as the same speci…
Lilium brunneum (Liliaceae): a newly discovered species in north-western Yunnan, China
Lilium brunneum represents a newly discovered and described lily species with a limited distribution in isolated alpine regions of north-western Yunnan, China. The recognition of …
Resolving a nearly 95-year-old enigma: Transfer of the little-known Japanese moss Arctoa schistioides to Kiaeria falcat…
Taxonomic uncertainties regarding rare species often impede effective biodiversity conservation. One such taxonomic uncertainty is the 95-year-old mystery surrounding Arctoa schis…
Taxonomic treatment on Garcinia sopsopia (Section Brindonia, Clusiaceae) in Thailand, with a new synonym and three lect…
Garcinia sopsopia belongs to the section Brindonia in the family Clusiaceae. The fruits, young shoots and leaves are edible and have a sour taste. Morphological description and il…
Typification of names of Weinmannia (Cunoniaceae) of species described by José Cuatrecasas from Colombian collections
We propose 18 new lectotype designations for names of Weinmannia, five of which are second-step typifications involving four inadvertent first-step lectotype designations, and 13 …
Carex yankouensis, a new species of Cyperaceae from limestone landform in northern Guangdong, China
Carex yankouensis, a new species of Cyperaceae (Carex section Rhomboidales) from the limestone landform in northern Guangdong, China is described and illustrated. The new species …
Aristolochia zhuhaiensis, a self-supporting new species of Aristolochiaceae from Guangdong, China and notes on Aristolo…
A self-supporting new species of Aristolochiaceae, Aristolochia zhuhaiensis Y.Fan Wang & Z.R.Guo, is described and illustrated from Zhuhai City, Guangdong Province, China. Morphol…
A new species of Pleurothallis (Pleurothallidinae, Orchidaceae) from the historic sanctuary of Machupicchu, Perú
Pleurothallis machupicchuensis, a new species from Cusco, Perú, is described and illustrated. Information regarding its distribution, habitat, and phenology is provided. Morpholog…
Broad-ranged, highly disjunct, locally rare and severely endangered: the challenging risk assessment and a global conse…
The distribution range of Erica sicula Guss. sensu lato spans the central and eastern Mediterranean Basin, but shows a significantly fragmented pattern, and its populations are lo…
Pternopetalum shunhuangensis (Apiaceae), a new species from Hunan, China
Based on field investigations, morphological and molecular systematic studies, a new species, Pternopetalum shunhuangensis (Apiaceae) from Hunan Province, China is described. Diag…
A digital multi-access key for easy identification of large tree species of ebony wood in Madagascar
In 2013, all populations of the precious wood genera Dalbergia (Fabaceae) and Diospyros (Ebenaceae) from Madagascar were placed on CITES Appendix II in an effort to combat unsusta…
On the identity and typification of Viola tenuis Bentham (Violaceae)
Viola tenuis Benth. was first described by George Bentham in 1842, without any type specimen designated, but with a collection record by Richard Brinsley Hinds in 1841. Currently,…
Sinosenecio tongziensis (Asteraceae), a new species from north Guizhou, China
Sinosenecio tongziensis R.B.Zhang, Tan Deng & Ying Liu (Asteraceae), a new species from Tongzi County in northern Guizhou, China, is described and illustrated. It closely resemble…
Ovicula biradiata, a new genus of Compositae from Big Bend National Park in Trans-Pecos Texas
Here, we describe and illustrate a new monospecific genus of Compositae, Ovicula biradiata gen. et sp. nov., from the Chihuahuan Desert in Big Bend National Park, Texas. Ovicula b…
Caelospermum versus Coelospermum in Rubiaceae (Gentianales): their etymologies explained
Caelospermum is the original spelling of the generic name, as it appeared in the protologue, but in literature and online databases, the variant spelling Coelospermum is often use…
A new species of genus Chiloschista (Aeridinae, Vandeae, Epidendroideae, Orchidaceae) from Sumatra Island, Indonesia
Chiloschista tjiasmantoi, a new species of epiphytic leafless orchid from the northernmost region of Sumatra Island, Indonesia, is described and illustrated. The flower of this ne…
Plastome-based subgenus-level phylogenetic backbone of hawthorns: insights into the maternal position and taxonomic syn…
The recent recognition of the five-subgenera classification within Crataegus has prompted discussion about the maternal phylogenetic relationships among these subgenera, with inco…
Lespedeza jianghuensis (Fabaceae), a new species from riparian meadows of Yangtze River basin, China
Lespedeza jianghuensis (Fabaceae), from Yangtze River basin, China, is described and illustrated as a new species. It is a dwarf shrublet occurring in the riparian meadows along t…
Lilium huanglongense (Liliaceae): a newly-discovered species in north-western Sichuan, China
In this study, we describe Lilium huanglongense, a newly-discovered lily species identified following extensive surveys in an undeveloped area of the Huanglong National Nature Res…
Taxonomic note of Parnassia (Celastraceae): the identity of P. yui
Parnassia farreri is characterised by the petals with long-ciliate petal claw and the broad spatulate staminodes with shallow crenations distally. A sympatric and poorly-known tax…
Taxonomic status and nomenclature of Tanacetum clusii (Asteraceae, Asteroideae, Anthemideae), with comments on its dist…
The paper provides nomenclatural and taxonomic accounts on Tanacetum clusii, a diploid species found in the Eastern Alps, the Carpathians, and the Dinarides, as well as comments o…
Agapetes hongheensis (Ericaceae), a new species from Yunnan, China
Agapetes hongheensis, a new species of Ericaceae from Yunnan, China, is described and illustrated. This new species resembles A. mannii and A. hosseana, but differs from the forme…
Bertiera acutiflora (Rubiaceae, Bertiereae), a new combination based on the overlooked Psychotria acutiflora
Psychotria acutiflora was described in 1830 by de Candolle in his Prodromus, and was based on a single collection by Thaddäus Haenke from near Guayaquil, Ecuador. Although the ide…
Maximising informativeness for target capture-based phylogenomics in Erica (Ericaceae)
Plant phylogenetics has been revolutionised in the genomic era, with target capture acting as the primary workhorse of most recent research in the new field of phylogenomics. Targ…
Morphometric parameters of seeds as a practical method for identifying rare species of the genus Tulipa L. (Liliaceae) …
The genus Tulipa includes some of the most important ornamental plants. The aim of this work was to study the seed morphology of Tulipa species from East Kazakhstan, including see…
Phylogenomics and a new classification of the tropical genus Heliconia L. (Monocots, Zingiberales, Heliconiaceae)
Members of the genus Heliconia L. (Heliconiaceae) have evolved complex interactions with both insect herbivores and hummingbird pollinators in tropical forests and secondary growt…
Lysimachia pubiflora (Primulaceae), a new species from Hubei, China
A new species, Lysimachia pubiflora, is described and illustrated from western Hubei Province, China. It is similar to L. jinzhaiensis, but differs in having flagelliform runners …
The Araceae of Sumatra I: A new species of Alocasia from Aceh, Indonesia
Alocasia roseus is described as a new species from Aceh Besar Regency, Sumatra (Indonesia). The plants found produce stunning inflorescence, leading to over-collecting in the wild…
Resurrection of Eurya degeneri (Pentaphylacaceae), endemic to Kaua‘i, Hawaiian Islands
Eurya degeneri Kobuski (Pentaphylacaceae), a dioecious shrub endemic to Kaua‘i, is resurrected from synonymy with E. sandwicensis A. Gray. Eurya degeneri is distributed in montane…
A taxonomic revision of Garcinia sections Dicrananthera and Macrostigma (Clusiaceae) in Thailand
Garcinia sections Dicrananthera and Macrostigma (Clusiaceae) is revised for Thailand. Three species are enumerated, i.e., one species, G. thorelii belongs to the section Dicranant…
Molecular phylogenetic and biogeographic evidence of Lepidagathis Willd. (Acanthaceae, Barlerieae) focusing on Indian e…
Lepidagathis Willd., a genus belonging to the Acanthaceae family, is primarily distributed in tropical and subtropical regions worldwide, encompassing approximately 153 species. W…
Speciation and diversification of the Bupleurum (Apiaceae) in East Asia
Bupleurum, belonging to the Apiaceae, is widely distributed across the Eurasian continent. The origin and species diversification of Bupleurum in East Asia, remain incompletely re…
Nomenclature and systematics of two Cocconeis species (Bacillariophyta) from Lake Baikal: Cocconeis baicalensis and Coc…
The study provides nomenclatural history, morphological characteristics and taxonomy of Cocconeis baicalensis and C. skvortzowii described by B.V. Skvortzov from Lake Baikal. The …
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