Works on Phytochemistry and Biological Activities

Published research works tagged with the topic “Phytochemistry and Biological Activities”.

94 works

Showing 51 to 94 of 94 works

Lagerstroemia stenophylla (Lythraceae), a new species from China

Lagerstroemia stenophylla, a new species from southeastern Shaanxi Province and northwestern Hubei Province of China is described. Morphologically, L. stenophylla resembles L. sub…

A new species of Hiptage (Malpighiaceae) from northwest Yunnan (China) based on molecular and morphological data

Hiptage stenopterum K.Tan & M.X.Ren, a new species of Hiptage collected from a deep valley close to the Nujiang Gorge, northwest of Yunnan Province, China, is described and illust…

Primula medogensis, a new species of Primulaceae from Tibet of China

We present a description of a newly discovered species, Primula medogensis, found in southern Xizang, China. Additionally, we explore distinctive morphological characteristics tha…

Artemisia qingheensis (Asteraceae, Anthemideae), a new species from Xinjiang, China

Artemisia qingheensis (Asteraceae, Anthemideae), a new species from Qinghe County, Xinjiang, China, is described and illustrated. We investigated its phylogenetic position and rel…

A new species of Sedum (Crassulaceae) from Mount Danxia in Guangdong, China

Sedum jinglanii, a new species of Crassulaceae from Mount Danxia in Guangdong, China, is described and illustrated. Phylogenetic analysis based on the internal transcribed spacer …

Artemisia calcicola (Asteraceae, Anthemideae), a new species from karst region in Guizhou, southwestern China

Artemisia calcicola (Asteraceae, Anthemideae), a new species from karst region in Shibing county, Guizhou province, southwestern China, is described and illustrated. The species c…

 Coptis huanjiangensis, a new species of Ranunculaceae from Guangxi, China

Coptis huanjiangensis, a new species of Ranunculaceae distributed in the valleys of Jiuwanshan National Natural Reserve in Huanjiang county (Guangxi, China), is described and illu…

Hansenia trifoliolata, a new species (Apiaceae) from Shaanxi, China

Hansenia trifoliolata Q.P.Jiang & X.J.He (Apiaceae), is described as new from Shaanxi Province, northwest China. The mericarp features of H. trifoliolata resemble H. himalayensis …

Paraphlomis hsiwenii (Lamiaceae), a new species from the limestone area of Guangxi, China

The indumentum of nutlets is shown to be of phylogenetic importance in previous molecular phylogenetic studies of Paraphlomis, a genus of Lamiaceae with approximately 30 species d…

Paraphlomis jinggangshanensis (Lamiaceae), a new species from Jiangxi, China

Paraphlomis jinggangshanensis (Lamiaceae), a new species from Jiangxi Province, China, is described and illustrated. The new species is morphologically similar to P. intermedia, b…

Indigofera vallicola (Fabaceae), a new species from Yunnan, southwest China

Indigofera vallicola (Fabaceae), a new species is described and illustrated. This plant is only found from two localities in the central Yunnan Province, southwest China. It is ch…

Elsholtzia zhongyangii (Lamiaceae), a new species from Sichuan, China

Elsholtzia zhongyangii (Lamiaceae), a new species from Sichuan Province, China, is described and illustrated. The new species is morphologically similar to E. feddei f. feddei, bu…

Capparis (Capparaceae) in Peninsular Malaysia, including a new species and two new varieties

As part of the Flora of Peninsular Malaysia Project, a species checklist of the genus Capparis in Peninsular Malaysia is presented here with a total of 11 species, two subspecies …

Molecular and morphological evidence for a new species of Pogostemon (Lamiaceae) from Hainan Island, China

Pogostemon hainanensis, a new species of Lamiaceae from Hainan Island, China, is described. The phylogenetic position of the new species within Pogostemon was investigated based o…

Cyclorhiza puana (Apiaceae), a new species from Sichuan, China

A new species, Cyclorhiza puana J. Zhou & Z.W. Liu (Apiaceae) from Sichuan Province of China, is described and illustrated here. Morphological comparisons with congeneric species …

Morphology and molecules support the new monotypic genus Parainvolucrella (Rubiaceae) from Asia

Parainvolucrella R.J. Wang, a new monotypic genus for P. scabra (Wall. ex Kurz) M.D.Yuan & R.J.Wang, new combination, is segregated from the Hedyotis-Oldenlandia complex, based on…

Hoya pyrifolia (Apocynaceae), a new species from south-western Yunnan, China

Hoya pyrifolia, a new species of Apocynaceae from Yunnan Province, China, is described and illustrated. Results from phylogenetic analyses, based on combined DNA fragments of the …

A new natural hybrid of Iris (Iridaceae) from Chongqing, China

A newly discovered natural hybrid, Iris × ampliflora Y.E. Xiao, F.Y. Yu & X.F. Chen (Iridaceae: subgenus Limniris section Lophiris) from Chongqing, China, is described and illustr…

Flueggea acicularis (Phyllanthaceae), a narrow endemic species rediscovered in central China

Flueggea acicularis (Phyllanthaceae) is endemic to the karst region of central China. Male specimens of this species were first collected in 1908. In 1989, female plants of F. aci…

Rediscovery of Pogostemon dielsianus (Lamiaceae, Lamioideae), a rare endemic species from southwestern China, after one…

Pogostemon dielsianus (Lamiaceae) was described in 1913 based on a single gathering from northwestern Yunnan of China collected in 1905, and thereafter no further collections were…

Strobilanthes sunhangii (Acanthaceae), a new species from Tibet, China

A new species of Acanthaceae, Strobilanthes sunhangii, is described from Mêdog County, Tibet, China. Morphologically, the new species is closely similar to S. medogensis and S. di…

Two new species in Iris series Chinenses (Iridaceae) from south-central China

Iris dabashanensis C.A.Wilson, sp. nov. and I. probstii C.A.Wilson, sp. nov. from China are described and illustrated. Both species occur on grassy slopes in mountainous regions o…

A new record of critically endangered Saussurea bogedaensis (Asteraceae) from Dzungarian Gobi, Mongolia

A species in the family Asteraceae, Saussurea bogedaensis, was newly described from Bogeda Mountain in Xinjiang, China and is a critically endangered species in China. Morphologic…

Rhamnella intermedia (Rhamnaceae), a new evergreen species from southwest Guangxi

Rhamnella intermedia, a new evergreen species from southwest Guangxi, is described and illustrated in this study. This species is similar to R. brachycarpa by the size and ratio o…

Aristolochia yachangensis, a new species of Aristolochiaceae from limestone areas in Guangxi, China

Aristolochia yachangensis B.G.Huang, Yan Liu & Y.S.Huang, a new species from limestone areas in Guangxi, China, is described and illustrated. It is morphologically most similar to…

Capparis kbangensis (Capparaceae), a new species from central Vietnam

Capparis kbangensis Sy & D.V. Hai, a new species from Kbang District, Gia Lai Province, Vietnam, is described and illustrated. The new species is morphologically similar to Cappar…

Paraphlomis kuankuoshuiensis (Lamiaceae), a new species from the limestone areas of northern Guizhou, China

Paraphlomis kuankuoshuiensis (Lamiaceae), a new species found in the limestone areas of northern Guizhou, China, is described and illustrated in this paper. Based on its tubular-c…

Sedum lipingense (Crassulaceae) identifying a new stonecrop species in SE Guizhou, China, based on morphological and mo…

We describe and illustrate Sedum lipingense (Crassulaceae), a new species of stonecrop found in the limestone areas of SE Guizhou, China. Based on the presence of adaxially gibbou…

Sedum ichangensis, a new species of Crassulaceae from Hubei, China

Sedum ichangensis sp. nov., from Yichang, Hubei province, central China, is described and illustrated. The new species is similar to S. elatinoides and S. rosthornianum in its lea…

New morphological and DNA evidence supports the existence of Calligonum jeminaicum Z. M. Mao (Calligoneae, Polygonaceae…

Calligonum jeminaicum Z. M. Mao, a species regarded as endemic to China, was thought to be nonexistent owing to a lack of scientific records. The similarity of C. jeminaicum to C.…

Swertia hongquanii, a new species of Gentianaceae from Mt. Wuling, southern China

Swertia hongquanii Jia X. Li, a new species of Gentianaceae, is described and illustrated from Mt. Wuling, southern China. It grows on the tops of steep limestone mountains surrou…

Taxonomic revision of Chenopodiaceae in Himalaya and Tibet

The composition of many Chenopodiaceae genera in different parts of Himalaya and Tibet has been insufficiently known or contradictory. A revision of the family in Himalaya includi…

Premna grandipaniculata (Lamiaceae, Premnoideae), a remarkable new species from north Myanmar

A remarkable new Premna species from Myanmar, P. grandipaniculata Y.H.Tan & Bo Li (Lamiaceae), is here described and illustrated. It differs from all known congeneric taxa by havi…

Premna bhamoensis (Lamiaceae, Premnoideae), a new species from Kachin State, northeastern Myanmar

In the present study, we describe and illustrate a new species, Premna bhamoensis Y. T. Tan & B. Li (Lamiaceae), from Myanmar. In the 1980s, this species was transplanted from Bha…

Semenovia gyirongensis (Apiaceae), a new species from Xizang, China

Based on morphology and molecular data, a new species Semenovia gyirongensis Q.Y.Xiao & X.J.He, from Gyirong County, Xizang, China, is described and illustrated. It is morphologic…

Taxonomic and floristic novelties for Echeveria (Crassulaceae) in Central Michoacan, Mexico

A new species, Echeveria coruana, is described and illustrated from the malpaís near San Andrés Corú, Michoacan, Mexico. The species belongs to series Gibbiflorae and the new taxo…

Callicarpa bachmaensis Soejima & Tagane (Lamiaceae), a new species from Bach Ma National Park in Thua Thien Hue Provinc…

A new species, Callicarpa bachmaensis Soejima & Tagane, sp. nov., is described and illustrated from Bach Ma National Park in Thua Thien Hue Province, Central Vietnam. This species…

Elaeocarpus firdausii (Elaeocarpaceae), a new species from tropical mountain forests of Sulawesi

Based on ongoing ecological research in mountain forests of Sulawesi, a new species, Elaeocarpus firdausii Brambach, Coode, Biagioni & Culmsee, sp. nov. is described and illustrat…

Vernonieae (Asteraceae) of southern Africa: A generic disposition of the species and a study of their pollen

Current and previously included members of the Tribe Vernonieae (Asteraceae) of southern Africa are listed in their presently recognized genera with complete synonymies and keys t…

Marrubium eriocephalum (Lamiaceae); a species new to the flora of Turkey, with contributions to its taxonomy

Marrubium eriocephalum (Lamiaceae) is described as a new record for the Flora of Turkey (B9 Van). A detailed morphological description, photographs, distribution map, and pollen a…

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…

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…

A new species of Camchaya (Asteraceae, Vernonieae) from Thailand

Camchaya thailandica Bunwong, Chantar. & S.C.Keeley, sp. nov. from Phu Phrabat Historical Park, Udon Thani, Thailand is described as a new species. Plant of this new species are s…

A new genus, Nothovernonia, from tropical Africa (Asteraceae or Compositae: Vernonieae)

Nothovernonia gen. nov., is described as a new genus for the tropical African Vernonia purpurea Sch.Bip. ex Walp. and V. amblyolepis Bak,cymiform inflorescences, pedunculate heads…