PhytoKeys
1332 published works on OPTIMAP from this source.
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Known totals: OpenAlex: 2133 · OAI-PMH: 2115
1332 works
Showing 101 to 150 of 1332 works
Taxonomy, morphology and cytology of Micranthes virginiensis (Michaux) Small (Saxifragales, Saxifragaceae), new chromos…
Micranthes virginiensis (Saxifragaceae) is an herbaceous, flowering plant species native to eastern North America with a range extending from the Gulf of Mexico into Canada. This …
Mycetia saxicola (Rubiaceae), a new species with cauliflory from limestone areas in Yunnan, China, supported by morphol…
A new species exhibiting cauliflory within the tribe Argostemmateae (Rubiaceae), Mycetia saxicola Z.Q. Song & D.X. Xu, is described and illustrated from limestone areas in Yunnan,…
Viola yuelingensis (Violaceae), a new species from Guangxi, China
This study describes and illustrates Viola yuelingensis Y.S.Chen & Ju H.Huang, a new species distributed in Guangxi, China. The species is morphologically most similar to Viola yu…
A new species of Clematis sect. Tubulosae (Ranunculaceae) from Zhejiang, East China
Clematis liana sp. nov., a new species of Ranunculaceae from Zhejiang and Anhui Provinces in eastern China, is described and illustrated. This species exhibits similarities in mor…
Acronema handeloides, a new species from Jiaozi Mountain, Yunnan Province, China (Apiaceae)
Acronema handeloides, a new species of Apiaceae from Jiaozi Mountain in Yunnan Province, is described and illustrated herein. This species is similar to A. handelii and A. sichuan…
Taxonomic status of Orophea yunnanensis (Annonaceae), an endemic plant species in Yunnan, China
This study elucidates the taxonomic affinity of Orophea yunnanensis by considering whether it belongs to Orophea or Alphonsea. Integrating comparative morphological analysis of ty…
Doronicum micranthum (Asteraceae, Senecioneae): a distinct new species from western Qinling, China
Doronicum micranthum (Asteraceae, Senecioneae), a new species from Hui County and Liangdang County in southeastern Gansu Province, China, is described and illustrated. This specie…
Paraphlomis leigongshanensis (Lamiaceae), a new species from Guizhou, China
Paraphlomis leigongshanensis G.B. Jiang & W.H. Yao (Lamiaceae), a new species endemic to Leigong Mountain National Nature Reserve (Guizhou, China), is described and illustrated. M…
A new synonym of Mussaenda (Rubiaceae) from Vietnam
Based on examination of type specimens and original literature, it has been determined that Mussaenda recurvata Naiki, Tagane & Yahara and Mussaenda reflexisepala Tao Chen & Duy a…
Argostemma sawmlianae (Rubiaceae, Argostemmateae), a new species from Northeast India under the Indo-Burma Hotspot
Argostemma sawmlianae (Rubiaceae), a new species from Mizoram, Northeast India, within the Indo-Burma hotspot, is described and illustrated. The species is compared with its allie…
A new species of Zingiberaceae, Curcuma glandulosa (Subgenus Ecomatae), from Myanmar
A new species, Curcuma glandulosa P.P. Thwe, M.M. Aung & Nob. Tanaka, is described from Taunggyi, southern Shan State, Myanmar. The new species is assignable to Curcuma subgenus E…
Polystichum oligodontum (subg. Haplopolystichum, Dryopteridaceae), a new cave fern from Guangxi, China
Polystichum oligodontum (Dryopteridaceae), a new fern species in P. subg. Haplopolystichum from three karst caves in northwest Guangxi, China, is described and illustrated. This s…
Resolving the taxonomy of Leea trifoliata (Leeaceae, Vitales): Reinstatement and typification
Leea trifoliata M.A.Lawson has long been considered conspecific with L. compactiflora Kurz. Detailed examination of live materials and herbarium specimens suggests that both speci…
Astragalus zibaishanensis sp. nov. (Fabaceae), a new species from Shaanxi, China
Astragalus zibaishanensis sp. nov. (Fabaceae) is described and illustrated from Shaanxi, China. This new species is similar to Astragalus monadelphus, A. xitaibaicus and A. neomon…
Two new species of Microlicia (Melastomataceae) from unprotected campo rupestre in the western Chapada Diamantina, Bahi…
Microlicia D.Don (Melastomataceae, Lavoisiereae) is a genus of shrubs and subshrubs comprising nearly 300 species, primarily distributed across nutrient-poor, open habitats in Bra…
Balanophora xinfeniae (Balanophoraceae), a new species from Xizang, China
Balanophora xinfeniae C.L.Fu, M.Li & B.Xu, a new species discovered in Xizang, China, is described and illustrated here. Molecular phylogenetic analyses and morphological comparis…
Comparisons of insect and pathogen leaf damage on early Eocene Eucalyptus (Myrtaceae) from Patagonia and extant Austral…
Australian forests and woodlands are dominated by the species-rich (> 700 spp.) genus Eucalyptus L’Hér. (Myrtaceae). Despite this modern-day dominance, the earliest macrofossil ev…
A nomenclator of Drymaria (Caryophyllaceae)
Drymaria (Caryophyllaceae) is here considered to contain 56 species plus 19 infraspecific taxa, excluding autonyms. In the current study, all effectively published names of Drymar…
Solanum stellaticalycinum, a new simple-leaved species of the Pteroidea clade from Peru (Potato Clade, Solanum, Solanac…
A new species from the montane forests in central Peru belonging to the Pteroidea clade of Solanum is described and illustrated. Solanum stellaticalycinum M.A.Cueva, Treviño & D.S…
Clematis danxiacola (Ranunculaceae), a new species from the Danxia landform area in Zhejiang Province, China
Clematis danxiacola, a novel species of Ranunculaceae discovered in the Danxia landform area of Zhejiang, China, is described and illustrated herein. This species exhibits morphol…
Vaccinium bidoupense (Ericaceae), a new species from Vietnam and Laos, with notes on V. petelotii and V. pseudobullatum
Vaccinium bidoupense, a new species of Ericaceae from the Central Highlands of Vietnam and their vicinity in Laos, is described and illustrated. The new species is morphologically…
Species delimitation in the genus Klebsormidium (Klebsormidiophyceae, Charophyta), including description of Klebsormidi…
The genus Klebsormidium is a cosmopolitan filamentous alga that belongs to the phylum Charophyta and inhabits a wide range of environments, primarily freshwater, soil, and aerial …
A new nothogenus and nothospecies in the Zygopetalinae (Orchidaceae), with a note on euglossine pollination in the subt…
Natural hybridization in Neotropical orchids is summarized, and the frequency of nothogenera in the subtribe Zygopetalinae is highlighted. A new nothogenus discovered in Costa Ric…
Primula xinjingensis (Primulaceae), a new species from Guizhou, China
A new species, named Primula xinjingensis, has been described from north-eastern Guizhou, China. It belongs to the sect. Monocarpicae. The species resembles P. pellucida in having…
Indosasa fimbriligulata (Poaceae, Bambusoideae), a new bamboo species from Guangxi, China
Based on morphological and molecular phylogenetic evidence, we confirmed that some bamboo collections from Guangxi, China, represent a new species of Indosasa. The new species, na…
Oxytropis jamsranii (Fabaceae, Papilionoideae, Astragaleae), a new species of section Xerobia from Mongolia
The genus Oxytropis L. (Fabaceae) comprises over 600 accepted species, ranking amongst the largest in the family. Nearly 100 Oxytropis taxa have been reported from Mongolia, spann…
Two new species, one new record, and one new synonym of Aeschynanthus (Gesneriaceae) from China
Southwest China is a biodiversity hotspot, with numerous new Gesneriaceae species recently discovered there. Recent reports of new Aeschynanthus taxa and records from western Yunn…
Mallotus thinii (Euphorbiaceae), a new species discovered from the coastal areas of the south-central provinces of Viet…
Mallotus thinii Kim Thanh & V.S.Dang, a new species discovered in coastal areas of the south-central provinces of Vietnam, is described and illustrated here. This species is morph…
A new tree species from seasonally dry tropical forest in southern Ecuador, Spirotheca zapotillana sp. nov. (Malvaceae)…
A new species of Malvaceae, Spirotheca zapotillana, is described from the Equatorial Pacific region of South America. The species occurs in seasonally dry tropical forests of El O…
Carex huancabambica (Cyperaceae), a new species from the Peruvian and Ecuadorian Andes
The Huancabamba Depression in Neotropical South America, a natural barrier between the Northern and Central Andes, serves as a refuge for high levels of angiosperm diversity. Howe…
Dorobaea linearifolia (Asteraceae, Senecioneae), a distinctive new species of the subtropical montane forests of centra…
Dorobaea linearifolia Montesinos & Pruski (Asteraceae, Senecioneae) is described as a new species from the humid subtropical montane forests of central Peru, specifically from the…
Lysimachia barcae (Primulaceae), a new endemic shrub from Wainiha, Kaua‘i, Hawaiian Islands
A new endemic species of Lysimachia from Kaua‘i, Hawaiian Islands, is described and illustrated with notes on its distribution, ecology, conservation status and phylogenetic relat…
Taxonomic studies on Sanicula L. (Apiaceae) from China (V): Revision of the Sanicula serrata H. Wolff complex: morpholo…
Based on observations of living plants in the field and examination of herbarium specimens (including type materials), we demonstrate that Sanicula serrata var. serrata (Apiaceae)…
Carlephyton sajoreciae (Araceae, tribe Arophyteae), a new species from Daraina, Northern Madagascar
Carlephyton sajoreciae is a new species of Araceae from northern Madagascar. It is distinguishable from the similar C. darainense mainly by the purple interior spathe, yellow spad…
Petrocosmea miechangensis (Gesneriaceae), a new species from Yunnan, China
A new species in Gesneriaceae, Petrocosmea miechangensis, is described from southeastern Yunnan, China. This species bears a resemblance to P. sericea in the shape of the adaxial …
Vascular plants of east-central Baffin Island, Nunavut, Canada: an annotated checklist of a mid-Arctic flora
Baffin Island in the eastern Canadian Arctic is the largest island in Canada and the fifth largest in the world. East-central Baffin Island, a spectacular mountainous area coverin…
Lysimachia speciosa (Primulaceae), a new species from Central China
A new species, Lysimachia speciosa, from western Hubei Province, Central China, is described and illustrated. The species is morphologically similar to L. deltoidea, especially va…
Ultrastructure of three species of Surirella (Bacillariophyta) from Lake Qinghai, China, with descriptions of two new s…
Three Surirella species found at the same locality in Lake Qinghai, northwestern China, are studied using light and scanning electron microscope observations. Two species are prop…
Raphiocarpus discolor (Gesneriaceae), a new species from Guangdong, China
Raphiocarpus discolor, a new species from Guangdong Province, China, is described and illustrated. This species is morphologically similar to R. bicallosus C.H.Nguyen, Aver. & F.W…
Two new species of Hedyotis L. (Rubiaceae) from Yunnan and Guangxi, China
Two new species, Hedyotis jinghongensis from Yunnan Province and H. austroguangxiensis from the Guangxi Zhuang Autonomous Region, are described and photographed here. H. jinghonge…
Melhania orriana (Malvaceae, Dombeyoideae), a new species from Somalia
Melhania orriana Dorr, sp. nov., is described and illustrated. It is known only from central and southern Somalia at low elevations. The new species is morphologically similar to …
Sinocrassula cuonaensis (Crassulaceae), a new succulent species from Southern Xizang, China
Sinocrassula cuonaensis, a new species of Crassulaceae from southern Xizang, is described and illustrated based on molecular and morphological evidence. Phylogenetically, it is si…
Pternopetalum wulingense (Apiaceae), a new species from the Wuling Mountains, China
Pternopetalum wulingense (Apiaceae) is described as a new species from the Wuling Mountains in Guizhou Province and Chongqing Municipality, China. Both phylogenetic analyses and d…
Dendrocalamus wazibii (Poaceae, Bambusoideae), a new bamboo species from Yunnan, China
Dendrocalamus wazibii (Bambusoideae), a new bamboo species is described and illustrated from Cangyuan County, Yunnan, China. Based on careful comparison of morphological and gener…
Dryopteris pycnolepis, a new fern species from northern Vietnam, with miscellaneous notes on Dryopteris sect. Splendent…
A new woodfern species, Dryopteris pycnolepis, is described from northern Vietnam. The new species differs mainly in having broadly lanceolate scales (versus ovate-lanceolate) on …
Taxonomic studies on the genus Sanicula (Apiaceae) from China (IV): Clarification of morphology and distribution of S. …
Through field observations of living plants and the analysis of herbarium collections, including type material, it is demonstrated that Sanicula rugulosa can be distinguished from…
Sedum shunhuangense (Crassulaceae), a new species from Hunan, China
We describe and illustrate Sedum shunhuangense, a new species from Hunan, China. The species is morphologically similar to S. alfredii and S. yangjifengensis but differs in having…
A new species of Pleurothallis in the P. cardiostola-P. lilijae complex of section Macrophyllae-Fasciculatae (Orchidace…
A new species of Pleurothallis subgenus Pleurothallis section Macrophyllae-Fasciculatae, recently discovered in upper montane cloud forests of the province of Loja, southern Ecuad…
Scutellaria cavicola (Lamiaceae), a new cave-dwelling species from Northwest Guangxi, China
Scutellaria cavicola C.Xiong, Z.Y.Wei & L.F.Fu, a new cave-dwelling species discovered in Lingyun County, Guangxi, China, was described and illustrated. The new species morphologi…
Taxonomic novelties in New Guinea Uvarieae (Annonaceae): Revision of Pyramidanthe and new genus records of Desmos and F…
The diversity of climbing Annonaceae in New Guinea, the world’s largest tropical island, remains poorly known. Here, we provide a regional taxonomic account for three genera of th…