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Showing 4451 to 4500 of 6881 works
Freshwater diatoms in the Democratic Republic of the Congo: a historical overview of the research and publications
An overview of the diatom research in the DR Congo is given based on literature data starting in 1938 with the work of Zanon and excluding the East African Lakes as these were alr…
The endemic plants of Mozambique: diversity and conservation status
An annotated checklist of the 271 strict-endemic taxa (235 species) and 387 near-endemic taxa (337 species) of vascular plants in Mozambique is provided. Together, these taxa cons…
The FLORIVON flora survey in the Netherlands between 1902 and 1950
In 1902, the nationwide citizen science project, known as FLORIVON, for mapping the flora of the Netherlands was launched, resulting in the publication of a complete flora atlas i…
A taxonomic synopsis of Virola (Myristicaceae) in Mesoamerica, including six new species
A taxonomic synopsis of Virola (Myristicaceae) is presented for Mesoamerica. Fourteen species are recognised, amongst them six are described and published as new, based on morphol…
Reinstatement of the Chinese endemic species Styrax zhejiangensis
Styrax zhejiangensis has been treated as a synonym of S. macrocarpus. Examination of herbarium specimens and observation of wild living plants demonstrates that S. zhejiangensis i…
Vascular plants dataset of the herbarium (COFC) of the University of Cordoba, Spain
This paper describes the herbarium (COFC) dataset of vascular plants of the University of Cordoba (SW Spain). This dataset is made up of two collections, the General collection (6…
Plastome of Quercus xanthoclada and comparison of genomic diversity amongst selected Quercus species using genome skimm…
The genus Quercus L. contains several of the most economically important species for timber production in the Northern Hemisphere. It was one of the first genera described, but ge…
Conservation priorities and distribution patterns of vascular plant species along environmental gradients in Aberdare r…
Distribution patterns of biodiversity and the factors influencing them are important in conservation and management strategies of natural resources. With impending threats from in…
Taxonomic novelties in Amaryllidaceae from the Department of Ancash, Peru, and a new combination in Clinanthus
Clinanthus inflatus (Amaryllidaceae) and Ismene parviflora are described from Ancash Department in Peru. The flower of C. inflatus is urceolate, and resembles that of Urceolina (A…
Bolbitis lianhuachihensis (Dryopteridaceae), a new species from Taiwan
A new species of Bolbitis, B. lianhuachihensis sp. nov., was found in central Taiwan. It most resembles B. virens var. compacta and B. hainanensis. A phylogenetic tree of Taiwanes…
The valid publication of Salix suchowensis (Salicaceae)
The nomenclatural problems of Salix suchowensis have been addressed by different authors with varying opinions. However, these efforts were flawed by a lack of observation of rele…
Validation of Gastrochilus prionophyllus (Vandeae, Orchidaceae), a new species from Yunnan Province, China
Gastrochilus prionophyllus, which was previously not validly published, is here validated. The species is described along with illustration and photos. Morphologically, the long a…
Two new species of Cylindrolobus (Orchidaceae) from the eastern Himalayas
Two new species, Cylindrolobus motuoensis and C. glabriflorus (Orchidaceae), from Southwestern China and north of Myanmar are described and illustrated with detailed photos. Cylin…
Bulbophyllum reflexipetalum (Orchidaceae, Epidendroideae, Malaxideae), a new species from Xizang, China
Bulbophyllum reflexipetalum, a new species from Motuo County, Southeast Xizang, China, is described and illustrated here. This new species belongs to Bulbophyllum sect. Umbellata …
Nomenclatural changes in Coleus and Plectranthus (Lamiaceae): a tale of more than two genera
A synopsis of the genera Coleus Lour, Equilabium A.J.Paton, Mwany. & Culham and Plectranthus L’Hér. (Lamiaceae, Tribe Ocimeae, Subtribe Plecranthinae) is presented. Generic delimi…
Systematic relevance of pollen morphology in tribe Hylocereeae (Cactaceae)
Hylocereeae is one of the nine tribes in the subfamily Cactoideae (Cactaceae), for which the limits and recognition of genera have been controversial. Essentially, this group comp…
Mosses of Gunung Senyum Recreational Forest, a tropical limestone forest in Pahang, Peninsular Malaysia
Gunung Senyum Recreational Forest harbours 59 species, two subspecies and five varieties of mosses in 32 genera and 16 families that had been identified from a total of 589 specim…
The genus Eunotia Ehrenb. (Bacillariophyta) in the Cheremsky Nature Reserve, Ukrainian Polissya, and refined terminolog…
Numerous species of Eunotia Ehrenb., widely distributed in the world flora, prefer acidic, dystrophic or oligotrophic freshwater habitats with low conductivity and usually occur i…
A new variety of Didymocarpus (Gesneriaceae) from Guangdong, China
A new variety of Didymocarpus, D. heucherifolius var. gamosepalus from Guangdong, China, is described and illustrated with photographs. It closely resembles the more widespread D.…
Dichotomous keys to the species of Solanum L. (Solanaceae) in continental Africa, Madagascar (incl. the Indian Ocean is…
Solanum L. (Solanaceae) is one of the largest genera of angiosperms and presents difficulties in identification due to lack of regional keys to all groups. Here we provide keys to…
Recircumscription of Bredia and resurrection of Tashiroea (Sonerileae, Melastomataceae) with description of a new speci…
Bredia (Melastomataceae) is an Asian genus that extends from central and southern mainland China to Taiwan and the Ryukyu islands. Molecular phylogenetic analyses reveal that the …
The identity of Prunus dielsiana (Rosaceae)
The valid publication date of Prunus dielsiana was found to be later than that of P. rufoides, which has been considered a synonym of P. dielsiana. Prunus dielsiana is therefore r…
The rediscovery and delimitation of Elatostema setulosum W.T.Wang (Urticaceae)
Of the 280 species of Elatostema documented in China, 189 are known only from a single collection. Elatostema setulosum is one such species, having been known only from the type c…
The Callerya Group redefined and Tribe Wisterieae (Fabaceae) emended based on morphology and data from nuclear and chlo…
The Tribe Wisterieae (Zhu 1994), founded on the single genus Wisteria, is emended and recircumscribed based on morphology and data from nuclear ITS and ndhJ-trnF, matK and rbcL ch…
Thismia domei and T. terengganuensis (Thismiaceae), two new species, and T. javanica, a new record from Terengganu, Pen…
Two new species of the mycoheterotrophic genus Thismia Griff. (Thismiaceae), Thismia domei Siti-Munirah and T. terengganuensis Siti-Munirah from Peninsular Malaysia, are described…
Origin of the Diplazium hachijoense complex (Athyriaceae)
We analyzed the phylogeny of the Diplazium hachijoense complex using plastid trnL-F and low-copy nuclear marker AK1 DNA sequences. Based on allele constitution, triploid apogamous…
A revision of the Morelloid Clade of Solanum L. (Solanaceae) in North and Central America and the Caribbean
The Morelloid Clade, also known as the black nightshades or “Maurella” (Morella), is one of the 10 major clades within the mega-diverse genus Solanum L. The clade is most species …
A new species of Fordiophyton (Sonerileae, Melastomataceae) from Yunnan, China
Fordiophyton jinpingense (Melastomataceae; Sonerileae), a species occurring in south-eastern Yunnan, China, is described as new, based on morphological and molecular data. Phyloge…
Mitrephora monocarpa (Annonaceae): a new species from Surat Thani Province, Peninsular Thailand
A new species, Mitrephora monocarpa R.M.K.Saunders & Chalermglin, sp. nov. (Annonaceae), is described from Surat Thani Province in Peninsular Thailand. It resembles two other spec…
Typification of eight current and seven related names and a new section in the genus Bromus (Bromeae, Pooideae, Poaceae)
During our nomenclatural revision of the genus Bromus L. (Poaceae) for Flora Iberica, we found that several names were still untypified: nine names in current use or their basiony…
Ophiorrhiza shiqianensis (Rubiaceae), a new species from Guizhou, China
A new species of the genus Ophiorrhiza L. (Rubiaceae), Ophiorrhiza shiqianensis L.D.Duan & Yun Lin, is described, illustrated and photographed from Shiqian County, Guizhou Provinc…
A new striking and critically endangered species of Nasa (Loasaceae, Cornales) from North Peru
Nasa angeldiazioides sp. nov. is described and illustrated. The species is restricted to two forest remnants on the western slope of the northern Peruvian Andes (Dept. Lambayeque)…
Taxonomic studies of pteridophytes of Ambon and Seram (Moluccas) collected on Indonesian-Japanese botanical expeditions…
Identifications are given for 713 specimens of Hymenophyllaceae collected on Ambon and Seram islands, the Moluccas, Indonesia, during 1983–86. The collection is composed of forty-…
A morphometric analysis of Tobleria bicuspis, a Voltziales seed cone from the early Permian Jambi palaeoflora, Sumatra …
Tobleria bicuspis, a coniferophyte seed cone, is described from the Jambi Palaeoflora, Sumatra of Asselian (early Permian) age. A morphometric analysis based on cones, paired fert…
Taxonomic revision of Disporum Salisb. (Colchicaceae, Uvularioideae) of Taiwan
A taxonomic revision of Disporum of Taiwan is presented with two species and one variety being recognised. The diagnostic characters of Disporum include the colour of tepals, stol…
Liparis napoensis (Orchidaceae), a new species from Guangxi, China
Liparis napoensis, a new orchid species belonging to section Cestichis from Guangxi, China is described and illustrated. It occurs in the karst limestone forest. The new species i…
Sisymbrium linifolium and Sisymbriopsis schugnana (Brassicaceae), two new records from Xinjiang, China
Sisymbrium linifolium and Sisymbriopsis schugnana, previously confined to western North America and Tajikistan, respectively, were discovered in Xinjiang during a recent field tri…
Typification of Oxalis bowiei W.T.Aiton ex G.Don (Oxalidaceae)
Oxalis bowiei W.T.Aiton ex G.Don (Oxalidaceae) from South Africa was described in 1831, but has not been typified. Although no preserved material was mentioned in the original des…
The Reserva de la Biosfera Barranca de Metztitlán (Hidalgo): An illustrated checklist of bromeliads and orchids and the…
This study presents a list of species of the two most important families with epiphytic elements, Bromeliaceae and Orchidaceae, from the Reserva de la Biosfera Barranca de Metztit…
Microchirita hairulii (Gesneriaceae), a new species from Perlis, Peninsular Malaysia
A new species, Microchirita hairulii Rafidah (Gesneriaceae) from limestone hills in Perlis, Peninsular Malaysia, is described and illustrated. Diagnostic characters, description, …
Simple but long-lasting: A specimen imaging method applicable for small- and medium-sized herbaria
Major international herbaria, natural history museums and universities have recently begun to digitise their collections to facilitate studies and improve access to collections. I…
Clematis mae (Ranunculaceae), a new species of C. sect. Meclatis from Xinjiang, China
Clematis mae Z.Z.Yang & L.Xie, a new species of Ranunculaceae from Xinjiang, China, is described and illustrated. The new species is morphologically similar to C. orientalis and C…
Revision of Polygonatum (Asparagaceae, Nolinoideae, Polygonateae) of Taiwan
Polygonatum is widely distributed in the northern hemisphere, especially in eastern Asia. There has been no comprehensive taxonomic study of Taiwanese taxa for some time, and rese…
Imprecise descriptions of Passiflora riparia Martius ex Masters led to redundant descriptions as P. emiliae Sacco, P. c…
Passiflora riparia was incompletely described by Masters, who cited specimens of Martius and Spruce. While Spruce 2191, the unique syntype with an observable corona, exhibits a re…
Perrottetia wichmaniorum (Dipentodontaceae), a new species from Kauaʻi, Hawaiian Islands
Perrottetia wichmaniorum Lorence & W. L. Wagner, sp. nov. is described as endemic to Kaua‘i. It differs from its Hawaiian congener P. sandwicensis by its larger, thicker, more den…
Taxonomic reconsideration of Prunus veitchii (Rosaceae)
Prunus veitchii was published in 1912 and was treated as a synonym of P. serrulata var. pubescens. The information about this taxon is relatively scarce. When consulting specimens…
A remarkable new species of Pamianthe (Amaryllidaceae) from the Department of Cauca, Colombia
A new saxicolous species of Amaryllidaceae tentatively assigned to the tribe Clinantheae, Pamianthe ecollis Silverst., Meerow & Sánchez-Taborda, is described from the western slop…
Rediscovery of Chamisso’s type specimens of Hawaiian Psychotria (Rubiaceae, Psychotrieae) in the herbarium of the Natur…
Between 1815 and 1818, Count Nikolai Romanzoff funded an expedition of the Russian brig Rurik. Besides their primary goal to discover the Northeast Passage, their aim was to colle…
Taxonomic note of Parnassia (Celastraceae) in China: a reassessment of Subsect. Xiphosandra
P. brevistyla, P. delavayi and P. leptophylla. belong to Celastraceae, Parnassia L., Sect. Nectarotrilobos Drude, Subsect. Xiphosandra (Franch.) Ku. Due to lack of material, the r…
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