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Showing 4151 to 4200 of 6881 works
Re-evaluating monotypic Eleutherostylis from New Guinea and the Moluccas and its inclusion in Grewia (Malvaceae, Grewi…
Morphological and molecular phylogenetic evidence indicate that Eleutherostylis Burret (Malvaceae, Grewioideae), a monotypic genus described from New Guinea, is best considered a …
The History and introduction of the Daurian Lily Lilium pensylvanicum and the new combination L. pensylvanicum var. al…
Manuscripts in the Archives of the Academy of Sciences in St. Petersburg reveal the first recorded observations and introductions of Lilium pensylvanicum Ker-Gawl. from Siberia to…
Lectotypification of two names of Carex buekii hybrids (Cyperaceae) and notes on their morphology, ecology and distrib…
Lectotypes are designated for two Carex buekii hybrid names. The typification is supplemented with notes on their morphology, ecology, and distribution.
Erica L. (Ericaceae): homonyms amongst published names for African species and proposed replacement names
In support of ongoing taxonomic work on the large and complex flowering plant genus Erica (Ericaceae), we document nineteen pairs of homonyms representing currently used illegitim…
Vaccinium chaozhouense (Ericaceae), a new species from East Guangdong, China
Vaccinium chaozhouense (Ericaceae), a new species from East Guangdong Province, China is described and illustrated. This new species is morphologically similar to V. wrightii by h…
New taxa of Plagiothecium (Plagiotheciaceae) from Pakistan
A revision of specimens of Plagiothecium deposited in the herbarium of Pakistan Museum of Natural History (PMNH) collected during a Japanese lead project on Cryptogams in the West…
A taxonomic revision of Thai Fernandoa Welw. ex Seem. (Bignoniaceae)
A taxonomic revision of Fernandoa Welw. ex Seem. (Bignoniaceae) in Thailand is presented. Two species, F. adenophylla (Wall. ex G. Don) Steenis and F. collignonii (Dop) Steenis, a…
Curcuma maxwellii and C. rubroaurantiaca (Zingiberaceae, Zingiberoideae), two new species from Thailand
Curcuma maxwellii sp. nov. and Curcuma rubroaurantiaca sp. nov. (Zingiberaceae, Zingiberoideae, Zingibereae), two new red-orange-flowered species from Thailand, are described. The…
Five new and noteworthy species of Epidendroideae (Orchidaceae) from southwestern China based on morphological and phy…
Five new orchid species from southwestern China’s Yunnan Province and the Tibetan Autonomous Region, Neottia lihengiae, Neottia chawalongensis, Papilionanthe motuoensis, Gastrochi…
Molecular phylogeny and taxonomy of Hosta (Asparagaceae) on Shikoku Island, Japan, including five new species, one new…
Japan has 16 native species of the genus Hosta Tratt. (Asparagaceae). A recent study on Hosta based on field surveys and molecular phylogenetic analyses resulted in the discovery …
Taxonomic revision of the Erigeron acris group (Asteraceae) in Murmansk Region, Russia, reveals a complex pattern of n…
Based on the evidence of morphology and a comprehensive revision of herbarium collections and field records, the taxonomy of the Erigeron acris group in Murmansk Region, European …
Neottia maolanensis, a replacement name for Neottia bifida M.N.Wang (Orchidaceae)
According to Articles 53.1 of the International Code of Nomenclature for Algae, Fungi, and Plants (Shenzhen Code), Neottia bifida M.N.Wang (as 'bifidus'; PhytoKeys 229: 222, 2023)…
Pollen morphology of Clerodendrum L. (Lamiaceae) from China and its systematic implications
Pollen morphology of 26 taxa of Clerodendrum, as well as one species of Volkameria from China, was investigated through a scanning electron microscope (SEM). Pollen grains of Cler…
Four new species of Perilimnastes (Sonerileae, Melastomataceae) from Vietnam
Perilimnastes is a genus currently treated in the polyphyletic Phyllagathis. Recent phylogenomic analyses have identified a morphologically cohesive lineage referred to as the Phy…
Anoectochilus zhongshanensis (Orchidaceae), a new species from Guangxi, China
A new species of Anoectochilus (Orchidaceae) from Guangxi, China, A. zhongshanensis, is described here, which was identified based on phylogenetic studies adopting combined plasti…
Digitization of the historical Herbarium of Michele Guadagno at Pisa (PI-GUAD)
The herbarium digitization process is an essential first step in transforming the vast amount of data associated with a physical specimen into flexible digital data formats. In th…
Panax siamensis J. Wen, a new species of the ginseng genus (Panax, Araliaceae) from northern Thailand
We herein describe a new species, Panax siamensis J. Wen, from the tropical monsoon forests in northern Thailand. Panax siamensis is characterized by a combination of characters i…
Bryophyte flora of Mount Tebu Forest Reserve, Terengganu, Peninsular Malaysia
A checklist of the bryophyte flora of Mount Tebu Forest Reserve in Terengganu, Peninsular Malaysia, is presented. A total of 189 taxa in 71 genera and 26 families were enumerated.…
A taxonomic revision of Cenchrus L. (Poaceae) in Thailand, with lectotypification of Pennisetum macrostachyum Benth.
A revision of the genus Cenchrus (Poaceae) in Thailand is reported. Seven species, i.e. C. brownii, C. ciliaris, C. clandestinus, C. echinatus, C. pedicellatus, C. purpureus and C…
A taxonomic synopsis of Heliotropiaceae and new combinations in Heliotropium from Thailand
A synopsis of Heliotropiaceae in Thailand is presented and, as part of this, the taxonomic history, identification keys, distribution maps, herbarium specimen citations and diagno…
Geometric Morphometrics sheds light on the systematics affinities of two enigmatic dwarf Neotropical sedges (Carex, Cy…
Geometric morphometrics (GM) is a powerful analytical tool that enables complete quantification of shapes. Its use in Botany has a great potential for complementing plant evolutio…
Evolution of connective glands reveals a new synapomorphy for Malpighiaceae and the hidden potential of staminal gland…
Connective glands are important morphological characters for the taxonomy of some genera of Malpighiaceae, with few recent studies having just elucidated these glands’ anatomical …
A new combination and a new synonym of Gesneriaceae in China
Didymocarpus subpalmatinervis W.T.Wang was shown to be conspecific with Petrocodon lithophilus Y.M.Shui, W.H.Chen & Mich.Möller, by checking original literature, examining specime…
Erythrina L. (Phaseoleae, Papilionoideae, Leguminosae) of Brazil: an updated nomenclatural treatment with notes on ety…
Erythrina L. is a genus that comprises ca. 120 to 130 species distributed throughout the tropics and subtropics of the world. Linnaeus established the genus in Genera Plantarum (1…
An unexpected new tree species from Gansu, China: Illicium gansuense (Schisandraceae)
We describe the newly-discovered species Illicium gansuense (Schisandraceae), discovered in the Yuhe area of Giant Panda National Park, Gansu, China. Morphologically, I. gansuense…
Thrixspermum taeniophyllum (Orchidaceae, Epidendroideae), a new species from southwest China, based on molecular and m…
Thrixspermum taeniophyllum is described as a new orchid species from Wenchuan County, Sichuan Province of southwest China. It is morphologically similar to T. japonicum, but it di…
Neotypification for five names linked to Arenaria (Caryophyllaceae) for the endemic flora of Peru and Bolivia
The names Arenaria mattfeldii, A. pallens, A. peruviana, A. pintaudii, and A. stuebelii (Caryophyllaceae, Arenarieae) from Peru and Bolivia were studied and neotypified based on s…
Taxonomic revision of Muhlenbergia (Poaceae, Chloridoideae, Cynodonteae, Muhlenbergiinae) in Central America: phylogen…
A taxonomic treatment of 38 species of Muhlenbergia, a phylogeny based on analysis of six DNA sequence markers, and classification of Muhlenbergia for Central America (Belize, Cos…
Neottia bifidus (Orchidaceae, Epidendroideae, Neottieae), a new mycoheterotrophic species from Guizhou, China
Neottia bifidus, a new mycoheterotrophic orchid, found in Maolan National Nature Reserve in Guizhou Province, China, is described and illustrated here. The new species is close to…
Review of Orchidaceae of the northern part of Kazakhstan
We present a review of Orchidaceae Juss. of the northern part of Kazakhstan, within the steppe, forest-steppe and semi-desert habitats of the country (Pavlodar, northern Kazakhsta…
Rosa davurica var. rubro-stipulata (Rosaceae), the correct name for R. davurica var. alpestris
The name Rosa davurica var. alpestris (Nakai) Kitag. was published in 1979 as a new combination based on R. rubro-stipullata var. alpestris Nakai. It is generally accepted as a de…
Malus includes Docynia (Maleae, Rosaceae): evidence from phylogenomics and morphology
Docynia has been treated as a separate genus or merged into Cydonia or Docyniopsis. Our phylogenomic evidence from 797 single-copy nuclear genes and plastomes confirmed the sister…
Checklist of Orchidaceae from Caquetá, Colombia
A checklist of Orchidaceae from Caquetá, Colombia is presented here. We recorded 98 genera and 418 species, exceeding a previous inventory by 276 species. The checklist is conserv…
Clermontia hanaulaensis (Campanulaceae, Lobelioideae), a new, critically endangered species from Maui, Hawaiian Islands
Clermontia hanaulaensis H.Oppenheimer, Lorence & W.L.Wagner, sp. nov., a newly discovered, narrowly distributed endemic species, is herein described based on its morphological cha…
A new species of Sterculia (Malvaceae) from Vietnam
A new species of Sterculia from Vietnam – S. konchurangensis – is described, illustrated, and compared with the similar S. lanceolata. S. konchurangensis differs from S. lanceolat…
Insect herbivore and fungal communities on Agathis (Araucariaceae) from the latest Cretaceous to Recent
Agathis (Araucariaceae) is a genus of broadleaved conifers that today inhabits lowland to upper montane rainforests of Australasia and Southeast Asia. A previous report showed tha…
Independent origins of Spiranthes ×kapnosperia (Orchidaceae) and their nomenclatural implications
Spiranthes Rich. (Orchidaceae) is a commonly encountered but systematically and nomenclaturally challenging component of the North American orchid flora. Here, the evolutionary hi…
Lectotypification and nomenclature notes of the name Caragana opulens (Fabaceae, Papilionoideae) and its synonyms
Morphological characters currently used to differentiate Caragana opulens as a species have been found to be insufficient and inconsistent. Through extensive research and comparis…
Morphology, taxonomy, biogeography and ecology of Micrasterias foliacea Bailey ex Ralfs (Desmidiales, Zygnematophyceae)
Micrasterias foliacea (Desmidiales, Zygnematophyceae) is an interesting desmid species as its filamentous life form is quite different from all other species within the genus. Due…
Sinosasa gracilis (Poaceae, Bambusoideae), a new combination supported by morphological and phylogenetic evidence
The results of phylogenetic analysis, based on the whole chloroplast genome and morphological study support the transfer of a long ignored bamboo species, Sasa gracilis, to the re…
Parallel developments in floral adaptations to obligate moth pollination mutualism in tribe Phyllantheae (Phyllanthace…
Several groups within tribe Phyllantheae (Phyllanthaceae) formed, independently, an (obligate) pollination mutualism with Epicephala moths, which originally had been parasitic. In…
Nomenclature and typification in Verbascum (Scrophulariaceae) from North Africa
The progress of taxonomic work on native Verbascum L. taxa found in Morocco led to a search for reference specimens in various herbaria. This process was extended to the taxa foun…
Petrocodon wui (Gesneriaceae), a new species from Guizhou, China
Petrocodon wui F.Wen & R.B.Zhang (Gesneriaceae), a typically lithophyte occurring in the Danxia areas of north-western Guizhou, China, is described and illustrated as new to scien…
Endiandra macrocarpa (Lauraceae), a new tree species from south-western China
Endiandra macrocarpa, a new species of Endiandra (Lauraceae) from Yunnan Province of south-western China, is here described and illustrated, based on morphological evidence. Compa…
Checklist of the diatoms (Bacillariophyta) from Lake Naivasha, Kenya, with some historical notes
Lake Naivasha is one of only two large freshwater lakes in the Eastern Rift Valley of Kenya, East Africa. Together with its satellite lakes Crescent Island Crater, Oloidien and So…
Five new synonyms for Impatiens procumbens (Balsaminaceae) in China
In the revision on the genus Impatiens L. in China, we found that there were synonyms amongst some species. Impatiens procumbens Franch. morphologically resembled I. reptans Hook.…
Taxonomic status and nomenclature of Cephalotaxus lanceolata (Cephalotaxaceae)
The nomenclature of Cephalotaxus lanceolata is controversial. After a thorough literature investigation, the nomenclatural problems have been resolved. This name was published in …
Eighteen new species of Neotropical Costaceae (Zingiberales)
In preparation for a full taxonomic revision of the Neotropical genera of Costaceae (i.e., Chamaecostus, Costus, Dimerocostus, and Monocostus), we present the description of 17 ne…
Hoya spectatissima (Gentianales, Apocynaceae), a new species from Yunnan, China
Hoya spectatissima, a new species from Yunnan Province, China, is described and illustrated. Hoya spectatissima is morphologically similar to H. lyi, but can be easily distinguish…
A new species of Hoya R.Br. (Apocynaceae, Asclepiadoideae) from the Philippines
Hoya medusa M.D.De Leon, Cabactulan, Cuerdo & Rodda, sp. nov. (Apocynaceae, Asclepiadoideae) is described from the Philippines. Even though numerous taxa with a shrubby habit from…
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