PhytoKeys
1332 published works on OPTIMAP from this source.
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Known totals: OpenAlex: 2133 · OAI-PMH: 2115
1332 works
Showing 1201 to 1250 of 1332 works
Seven new species of Selaginella subg. Stachygynandrum (Selaginellaceae) from Brazil and new synonyms for the genus
We describe seven new species of Selaginella subg. Stachygynandrum (S. alstonii, S. blepharodella, S. crinita, S. mucronata, S. mucugensis, S. saltuicola, and S. sematophylla) fro…
A new species of Brevianthus (Brevianthaceae, Marchantiophyta) from New Caledonia with unusual underleaf production
Brevianthus is a distinctive genus of leafy liverwort in its succubously inserted, entire leaves, lack of underleaves, restriction of sexual organs to lateral-intercalary branches…
Goniothalamus flagellistylus Tagane & V. S. Dang (Annonaceae), a new species from Mt. Hon Ba, Vietnam
A new species, Goniothalamus flagellistylus Tagane & V. S. Dang, sp. nov. from Hon Ba Nature Reserve in Khanh Hoa Province, South Vietnam is described and illustrated. This specie…
Studies of Malagasy Eugenia – IV: Seventeen new endemic species, a new combination, and three lectotypifications; with …
Seventeen new endemic species of the genus Eugenia L. (Myrtaceae) are proposed from Madagascar, including: E.andapae N. Snow, E.barriei N. Snow, E.bemangidiensis N. Snow, E.calcis…
New blueberry and mortiño relatives (Ericaceae) from northwestern Colombia
The inventory of the vascular plants of one of the richest and least studied floras, the Andean and Chocó regions of northwestern Colombia, targets Las Orquídeas National Park. As…
A refined concept of the Critoniopsis bogotana species group in Colombia with two new species (Vernonieae, Asteraceae)
Critoniopsis bogotana is more precisely delimited, and two related Colombian species are described as new. The form of trichomes on the abaxial surfaces of the leaves is found to …
Clarifying the Dioscorea buchananii Benth. species complex: a new potentially extinct subspecies for South Africa
The Dioscorea buchananii complex is shown to comprise three species, one of which is divided into two subspecies, based on morphological data. Two species, D. rupicola Kunth and D…
Paepalanthus serpens, a new microendemic species of Eriocaulaceae from the Espinhaço Range, Minas Gerais, Brazil
We describe and illustrate Paepalanthus serpens, a microendemic species of Eriocaulaceae from the Espinhaço Range. The species is known from a single population growing in rocky a…
Two new species of Indigofera L. (Leguminosae) from the Sneeuberg Centre of Floristic Endemism, Great Escarpment (Easte…
Two new species of Indigofera L. (Leguminosae) are described from the Sneeuberg Centre of Floristic Endemism on the southern Great Escarpment, Eastern and Western Cape Provinces, …
Two new species of endemic Ecuadorean Amaryllidaceae (Asparagales, Amaryllidaceae, Amarylloideae, Eucharideae)
New species of the genera Stenomesson and Eucharis (Amaryllidaceae) are described from Ecuador. Stenomesson ecuadorense is the second species of the genus reported from that count…
Dianthus aticii, a new species from Turkey (Caryophyllaceae)
During the taxonomic revision of the Turkish Dianthus species, specimens collected from Bilecik, Seben (Bolu), and Nallıhan (Ankara) were discovered that represent a new species. …
Two new non-spiny Solanum species from the Bolivian Andes (Morelloid Clade)
Two new Bolivian species are described from the Morelloid clade of Solanum (section Solanum in the traditional sense). Solanum alliariifolium M.Nee & Särkinen, sp. nov. is found i…
Plant endemism in the Sierras of Córdoba and San Luis (Argentina): understanding links between phylogeny and regional b…
We compiled a checklist with all known endemic plants occurring in the Sierras of Córdoba and San Luis, an isolated mountainous range located in central Argentina. In order to obt…
Heliotropium (Boraginaceae) in the Marquesas Islands (French Polynesia) with description of a new species
During the preparation of the Vascular Flora of the Marquesas Islands a new endemic species of Heliotropium L. (Boraginaceae) has come to light and is described herein: Heliotropi…
New species, additions and a key to the Brazilian species of the Geminata clade of Solanum L. (Solanaceae) in Brazil
Two additions and four new species are described from Brazil for the large Geminata clade (Solanum: Solanaceae) bringing the total diversity in the group to 149 species, with 44 o…
Changes in the circumscription of Deprea (Physalideae, Solanaceae): thirty two new combinations
According to the latest phylogenetic and cytogenetic results, Larnax and Deprea should be merged in order to form a natural group. Consequently, we propose 32 combinations of Larn…
Syzygium pyneei (Myrtaceae), a new critically endangered endemic species from Mauritius
A new species of Syzygium Gaertn. (Myrtaceae), S. pyneei Byng, V. Florens & Baider, is described from Mondrain Reserve on the island of Mauritius. This species is endemic to the i…
Taxonomic updates in Dolichandra Cham. (Bignonieae, Bignoniaceae)
Dolichandra is a genus of lianas found in dry and wet Neotropical forests. The genus currently includes eight species and is well characterized by molecular and morphological syna…
Thismia hongkongensis (Thismiaceae): a new mycoheterotrophic species from Hong Kong, China, with observations on floral…
A new species, Thismia hongkongensis S.S.Mar & R.M.K.Saunders, is described from Hong Kong. It is most closely related to Thismia brunonis Griff. from Myanmar, but differs in the …
Sirdavidia, an extraordinary new genus of Annonaceae from Gabon
A distinctive new monotypic genus from Gabon is described in the tropical plant family Annonaceae: Sirdavidia, in honor to Sir David Attenborough. Molecular phylogenetic analyses …
Psoralea diturnerae and P. vanberkelae (Psoraleeae, Fabaceae): two new species restricted to the Core Cape Region of S…
Two new species of Psoralea L. are described: Psoralea diturnerae A. Bello, C.H. Stirt. & Muasya, sp. nov. and P. vanberkelae C.H. Stirt., A. Bello & Muasya, sp. nov. Psoralea dit…
Chapelieria magna, a new species of Rubiaceae from eastern Madagascar
A new species of Chapelieria was discovered during a recent field trip to the Masoala National Park in eastern Madagascar, and is described here as Chapelieria magna Kainul., sp. …
Four new non-spiny Solanum (Solanaceae) species from South America
Four new species of “non-spiny” Solanum from South America are described. Solanum longifilamentum Särkinen & P.Gonzáles, sp. nov. (Morelloid clade) is widespread from Ecuador to B…
Three new species of Begonia (Begoniaceae) from Bahia, Brazil
The taxonomic treatment of Begoniaceae for the state of Bahia, Brazil, led to the recognition of three new species of Begonia with narrow distributions, which are described and il…
A revision of Passiflora L. subgenus Decaloba (DC.) Rchb. supersection Cieca (Medik.) J. M. MacDougal & Feuillet (Passi…
Passiflora subgenus Decaloba supersection Cieca is a monophyletic group of herbaceous to woody climbers found in subtropical and tropical regions of the world. The 19 species reco…
Two new species of Tynanthus Miers (Bignonieae, Bignoniaceae) from Brazil
Tynanthus is a genus of lianas that is broadly distributed through the Neotropics. Two new species of Tynanthus from Brazil are here described and illustrated: T. densiflorus, fro…
Four new species of Andean Pilea (Urticaceae), with additional notes on the genus in Venezuela
Four new species of Pilea (Urticaceae) from the Andes of Venezuela are described and illustrated: Pilea matthewii sp. nov., P. miguelii sp. nov., P. nicholasii sp. nov., and P. ni…
Dorstenia luamensis (Moraceae), a new species from eastern Democratic Republic of Congo
A new species of Dorstenia L. (Moraceae), D. luamensis M.E.Leal, is described from the Luama Wildlife Reserve, west of Lake Tanganyika and north of the town of Kalemie in the east…
Bidens meyeri (Asteraceae, Coreopsideae): a new critically endangered species from Rapa, Austral Islands
Bidens meyeri (Asteraceae/Compositae) is described and illustrated from Rapa, Austral Islands, (French Polynesia). This new species is presumed to be most closely related to Biden…
Three new species of Licania (Chrysobalanaceae) from Peru
Recent collections received for identification contain three conspicuous new species for the mid altitude forests of Amazonian Peru. Licania palcazuensis, L. apiknae and L. montea…
A revision of the New Zealand Kunzea ericoides (Myrtaceae) complex
A revision of the New Zealand Kunzea ericoides complex is presented. This paper is the final of a series that has explored the systematics of the New Zealand Kunzea complex using …
A new species of Hibiscadelphus Rock (Malvaceae, Hibisceae) from Maui, Hawaiian Islands
Hibiscadelphus stellatus H. Oppenheimer, Bustamente, & Perlman, sp. nov., a new, narrowly endemic species from West Maui, Hawaiian Islands is described, illustrated and its affini…
A new species of spiny Solanum (Solanaceae) from Peru
A new species of Solanum is described from Peru. Solanum junctum S. Stern & M. Nee, sp nov. is a member of the Torva clade of the spiny solanums (Leptostemonum clade). The narrow …
Hieracium sinoaestivum (Asteraceae), a new species from North China
Hieracium sinoaestivum Sennikov sp. nov. is described as new to science and illustrated. This presumably apomictic species is solely known from two old collections made in a singl…
Three new caespitose species of Senecio (Asteraceae, Senecioneae) from South Peru
Three new species of the genus Senecio (Asteraceae, Senecioneae) belonging to S. ser. Suffruticosi subser. Caespitosi were discovered in the tributaries of the upper Tambo River, …
A new species of Cissampelos (Menispermaceae) from Bolivia and Paraguay
The new species Cissampelos arenicola M. Nee & R. Ortiz, from the Bolivian and Paraguayan Chaco is described, its affinities are discussed, and its preliminary conservation status…
Three new species of Solanum (Brevantherum Clade) endemic to the Brazilian Atlantic Forest
Three new Brazilian species of the Brevantherum clade of Solanum (Solanaceae) are described, all closely related to the poorly known Solanum inornatum Witasek. Solanum bradei Giac…
Dorstenia triseriata (Moraceae) a new and endangered species from Brazil
A new species of Moraceae is described, illustrated and compared to its close morphological relatives. Dorstenia triseriata presents similarities with Dorstenia turnerifolia but d…
Revisions and key to the Vernonieae (Compositae) of Thailand
Seventeen genera and 48 species, in five subtribes, are recognized in Thailand. These include 15 endemic taxa, half of which are in the largest genus, Acilepis, with others in the…
Synopsis of Martinella Baill. (Bignonieae, Bignoniaceae), with the description of a new species from the Atlantic Fores…
Martinella has traditionally included two species, Martinella iquitoensis and Martinella obovata, that are characterized by the presence of interpetiolar ridges surrounding the st…
Gymnanthemum koekemoerae (Compositae, Vernonieae), a new species from South Africa
A new species of Gymnanthemum (Compositae, Vernonieae) from South Africa is described. It can be distinguished from other species in the genus by the five-flowered capitula and wi…
The systematics of the worldwide endoparasite family Apodanthaceae (Cucurbitales), with a key, a map, and color photos …
Using morphological, nuclear, and mitochondrial data, we here revise the taxonomy of Apodanthaceae and allocate the 36 names published in the family to ten biological species in t…
Taxonomy of Atlantic Central African orchids 2. A second species of the rare genus Distylodon (Orchidaceae, Angraecinae…
While conducting field inventories in South Cameroon, we collected two specimens of a new species that we considered to belong to the genus Angraecopsis. Afterwards, a careful exa…
Crataegus ×ninae-celottiae and C. ×cogswellii (Rosaceae, Maleae), two spontaneously formed intersectional nothospecies
Crataegus monogyna Jacq. is naturalized in North America, where it has hybridized with native diploid hawthorns at least twice. We provide names for the two nothospecies (as well …
Two new desert Eschscholzia (Papaveraceae) from southwestern North America
Two new species of Eschscholzia are described. Both are found in the deserts of California and one extends outside the state boundary into Arizona. Eschscholzia androuxii Still, s…
Piptochaetium fuscum (Nees ex Steud.) Barkworth, Ciald., & Gandhi, a new combination replacing Piptochaetium setosum (T…
A new name, Piptochaetium fuscum, is provided for a taxon hitherto known as Piptochaetium setosum (Trin.) Arechav. Morphological, anatomical, and molecular studies that argue agai…
Lithocarpus orbicarpus (Fagaceae), a new species of Stone Oak from Phang Nga province, Thailand
A new species is described, Lithocarpus orbicarpus Strijk, collected from Ton Pariwat Wildlife Sanctuary, Mueang district, Phang Nga Province in the Peninsular Floristic Region of…
Piper kelleyi, a hotspot of ecological interactions and a new species from Ecuador and Peru
We describe Piper kelleyi sp. nov., a new species from the eastern Andes of Ecuador and Peru, named in honor of Dr. Walter Almond Kelley. Piper kelleyi is a member of the Macrosta…
Synopsis of Plazia Ruiz & Pav. (Onoserideae, Asteraceae), including a new species from northern Peru
A synopsis of Plazia Ruiz & Pav. (Onoserideae, Asteraceae) is presented, including the description of a new species, Plazia robinsonii M.O.Dillon & Sagást., from a locality c. 20 …
Aristolochia quangbinhensis (Aristolochiaceae), a new species from Central Vietnam
Aristolochia quangbinhensis T.V. Do, a new species from Central Vietnam, is described and illustrated. According to morphology, the species belongs to Aristolochia subgenus Isotre…