Most papers are machine-translated to English; some are originally in English.
Showing 49 of 49 papers in Botany
Craigia yunnanensis is a species with extremely small populations endemic to China and is listed as a national second-class key protected wild plant. Addressing the phenomenon of sapling recruitment gaps in the natural population regeneration of C. yunnanensis, this study utilized introduced and cul…
The diversity and discontinuity of plant communities in the oasis–desert ecotone are largely shaped by variations in groundwater depth, yet the relationships between spatial distribution patterns and ecological niches at a regional scale remain insufficiently understood. This study examined the oasi…
To investigate the distribution characteristics and driving factors of the biomass of the endangered seagrass Halophila beccarii along the coast of South China, this study focused on H. beccarii across six regions (Huachang Bay, Yangpu, Shajing, Tangjiawan, Yifengxi, and Zhao'an) in four provinces (…
To investigate the anatomical structural characteristics of oil tea (Camellia oleifera) leaves in high-altitude regions and their relationship with drought resistance, this study utilized 35 superior oil tea plants with excellent fruiting traits previously screened in the eastern high-altitude regio…
Taxodium ascendens and Taxodium distichum are common landscape color-leaf tree species whose leaves gradually turn orange (red) during the autumn-winter color transition period. Analyzing the physiological characteristics of leaves during the color transition period in these two Taxodium species is …
To screen for Eucalyptus robusta essential oil families with excellent antibacterial activity, this study utilized four 5-year-old E. robusta families from Nanning and Wuxuan as experimental materials. Essential oils were extracted from fresh leaves via steam distillation, their chemical components …
Panax notoginseng, a precious traditional Chinese medicinal material in China, faces problems such as low reproductive rates and extinction of wild resources. To investigate the flowering biology and breeding system characteristics of P. notoginseng and elucidate the reasons for its low seed set rat…
Carpinus tientaiensis is an endangered plant endemic to China, discontinuously distributed only within Zhejiang Province with sparse populations, currently in a critically endangered status. This study investigates the phylogeographic structure and phylogenetic differentiation of Carpinus tientaiens…
Elevational gradient is a key factor influencing patterns of species diversity. To investigate the elevational distribution patterns of species diversity in the tropical natural forests of Diaoluo Mountain, vegetation surveys were conducted in six tropical natural forest sample plots within an eleva…
To investigate the material basis for the antibacterial activity of Ailanthus altissima root bark, this study employed silica gel, Sephadex LH-20, and other chromatographic methods to separate and purify the methanol extract of Ailanthus altissima root bark. The structures of the monomeric compounds…
The response of plant growth and reproduction to future climate change has received widespread attention. To understand the spatial distribution pattern characteristics of clonal growth and sexual reproduction parameters of emergent macrophytes and the influence pathways of environmental factors on …
To enhance scientific understanding of farmland surface processes and improve agricultural water management in arid oasis regions, this study employed eddy covariance technique and utilized energy balance observational data from a vineyard during the growing season to analyze variation characteristi…
Saxifraga stolonifera is a shade plant with relatively high ornamental value, commonly used in courtyard landscaping. Light intensity may have an important influence on the growth performance of Saxifraga stolonifera, especially leaf color, leaf spot formation, and their color depth, thereby affecti…
Biodiversity loss driven by factors such as global climate change and human activities has drawn considerable attention to biodiversity conservation from various sectors worldwide. Traditional biodiversity conservation has primarily focused on the species composition and distribution patterns of spe…
To investigate the chemical constituents in the leaves of the characteristic plant Champereia manillana var. longistaminea, this study employed silica gel column chromatography (CC), thin-layer chromatography (TLC), Sephadex LH-20 column chromatography, reversed-phase silica gel (RP-18) column chrom…
Annonaceae is the most evolutionarily advanced and species-rich family in the basal angiosperm order Magnoliales. Current phylogenetic studies divide Annonaceae into four subfamilies: Anaxagoreoideae, Ambavioideae, Annonoideae, and Malmeoideae, comprising 107 genera and over 2,400 species, with appr…
Hainan Island has a topography that is high in the center and low around the periphery. From the central mountainous region to the eastern coastal plain, the composition of the flora has undergone certain changes due to differences in natural conditions and the degree of historical human disturbance…
Sorbus plants exhibit polymorphic crown forms, exquisite flower colors, vibrant fruits, and diverse leaf colors throughout the seasons, possessing high horticultural ornamental value. However, due to the presence of interspecific hybridization, polyploidization, and apomixis within the genus, Sorbus…
Environmental regulation of secondary metabolites constitutes the theoretical and practical foundation for high-quality cultivation of medicinal plants. However, to date, research on the effects of short-term ultraviolet induction on the accumulation of medicinal active components remains relatively…
Different biological groups often exhibit substantial differences in species richness, a phenomenon commonly observed in ecological and biological research. However, the causes underlying this phenomenon remain an unresolved mystery. From a macroevolutionary perspective, the evolutionary time hypoth…
Biondia Schltr. is a Chinese endemic genus comprising approximately 13 species, whereas Merrillanthus Chun & Tsiang is a monotypic genus distributed exclusively in China and Cambodia. Currently, both genera have been subsumed into Vincetoxicum Wolf; however, deficiencies remain in sampling and phylo…
Hybridization of Chinese flowering cabbage can induce not only DNA sequence variations but also epigenetic changes independent of DNA sequence. To elucidate the formation mechanism of epigenetic diversity in Chinese flowering cabbage, this study employed F-MSAP to detect DNA methylation levels a…
Estimating species evolutionary timescales constitutes a crucial component of research on life's evolution. In recent years, numerous studies have revealed significant disparities in evolutionary rates among different genes and species, necessitating novel approaches to re-estimate the timing of evo…
To investigate the molecular mechanism differences of the key enzyme gene PtCHI in isoflavonoid metabolism among Pueraria varieties, and to preliminarily elucidate the causes for inter-varietal differences in isoflavonoid content, this study employed wild Pueraria and the starch-rich Pueraria cultiv…
Acanthus ebracteatus is a rare true mangrove plant inhabiting mangrove ecosystems with considerable medicinal value. This study aimed to investigate the diversity of culturable endophytic and rhizosphere bacteria associated with A. ebracteatus, and to explore potential novel species and strains with…
Soil nitrogen (N) availability is an important factor affecting soil microbial community structure and soil nitrogen cycling; however, the effects of N addition on soil N transformation and N functional genes (NFGs) expression in Mongolian pine plantations remain poorly understood. To explore the ef…
The Lijiang River basin features diverse elevations, soil types, and vegetation types. To investigate the characteristics of soil nutrients and soil enzyme activities, this study examined surface soils (0–20 cm) under typical vegetation types (natural forest, bamboo forest, pine forest, orchard, pad…
Guangxi Mulun National Nature Reserve is located in the transitional zone between the Yunnan-Guizhou-Guangxi and South China floristic regions, and constitutes a central intersection between the Palearctic and Paleotropical floristic realms, occupying an irreplaceable position in China's biodiversit…
Isoëtes is the most anciently originated genus of aquatic vascular plants, with all species listed as National First-Class Protected Plants. Through nationwide investigation and research on Isoëtes plants, significant morphological differences were found among tetraploid individuals from different l…
The Baiku Yao people have a strong tradition of raising and consuming local black pigs, and possess unique and extensive experience and knowledge regarding the collection and management of feed plants. This study aims to conduct an ethnobotanical inventory of feed plants and their related indigenous…
Late embryogenesis abundant (LEA) proteins are closely associated with plant stress resistance, protecting plant cells under drought stress, reducing plant damage, and are widely distributed across organisms. Selaginella pulvinata is a fern species with exceptional survival capacity under drought st…
Hibiscus mutabilis has a long cultivation history and is an ancient garden tree species and medicinal plant native to China. To investigate the evolutionary characteristics of H. mutabilis cultivars and their relatives, clarify the phylogenetic relationships among H. mutabilis cultivars and between …
Phenological changes driven by global warming have already exerted significant impacts on biodiversity and ecosystems. Research on subtropical phenology remains relatively limited compared to that in temperate and frigid zones. Studies of autumn phenology are particularly scarce, and whether phenolo…
SPL transcription factors are widely involved in plant growth, development, and stress response processes. Currently, there are no studies on SPL membrane-bound (SPL with Transmembrane Motif) transcription factors, i.e., STM transcription factors, in Dendrobium officinale. To investigate the roles o…
This study investigated the response characteristics of soil enzyme activity to biochar input to provide a theoretical reference for the rational application of eucalyptus branch biochar. Based on a field experiment in eucalyptus plantations in northern Guangxi, biochar prepared from eucalyptus plan…
This study conducted a taxonomic investigation on a morphologically distinct specimen of the genus Carcinomyces collected from Liancheng National Nature Reserve in Gansu Province, using morphological characterization and molecular phylogenetic analysis based on ITS sequences. The results indicate th…
To investigate the effects of different land use types and ecological restoration patterns on soil enzyme activities and their C:N:P ratios in karst regions, this study selected three land use types [degraded disturbed land, grassland, and fruit tree (loquat) forest land] and four restoration patter…
Keteleeria davidiana var. calcarea is a precious tree species in mid-subtropical karst regions, characterized by a narrow distribution range and scarcity of wild seedlings, which severely constrains its natural regeneration. To investigate the causes of its endangerment and provide a reference for i…
Ephemeral plants represent an important functional group in desert ecosystems, exhibiting diverse habitats and asynchronous germination characteristics in many species. Biomass accumulation and allocation patterns reflect plant responses and adaptive traits to environmental conditions; thus, investi…
To clarify the taxonomic issues concerning intergeneric systematic relationships in the Hypoxidaceae family, this study selected five species from three genera of Chinese Hypoxidaceae as research subjects. Using light microscopy, scanning electron microscopy, and paraffin sectioning techniques, we o…
As one of the main economic crops in the arid regions of northwestern China, understanding its photosynthetic production process is crucial for cultivation. To investigate the photosynthetic physiological characteristics of grapes under natural field conditions and the main factors affecting grape p…
To investigate the diversity of fungal communities in the roots and rhizosphere soil of Nervilia fordii (Orchidaceae), this study utilized Illumina MiSeq high-throughput sequencing technology to analyze the fungal composition in the roots and rhizosphere soil of N. fordii from two sampling sites, Da…
Oleander is an important medicinal plant. To investigate the diversity of endophytic fungi in oleander and evaluate the activity of their secondary metabolites, this study isolated and purified endophytic fungi from Guangxi oleander (Nerium indicum), identified them using a combination of morphologi…
To investigate the distribution characteristics of plant community species diversity along an elevation gradient and its relationship with soil environmental factors in the Baluntai region on the southern slope of the middle Tianshan Mountains, this study employed field survey methods, establishing …
To investigate the relationship between the growth and development of Paris polyphylla and changes in soil microbial community structure, this study employed Illumina high-throughput sequencing technology to sequence and analyze bacterial 16S rRNA and fungal 18S sequences in the rhizosphere soil of …
To investigate the effects of HCO3- on plant growth and physiological characteristics under bicarbonate stress in karst habitats, seedlings of Broussonetia papyrifera and Morus alba were used to examine plant growth, photosynthetic capacity, antioxidant enzyme activities, osmotic adjustment substanc…
Understanding the effects of nutrient enrichment on the growth and competition of invasive plants, as well as the differential responses of different invasive populations to nutrient variation, is crucial for predicting invasion risk. To investigate the invasion risk of Bidens frondosa, this study e…
Acanthocalyx alba is a commonly used medicinal plant in Tibetan regions, yet studies on its complete chloroplast genome remain scarce. To elucidate the fundamental characteristics of this species' chloroplast genome and investigate its lineage genetic structure, this study employed the Illumina sequ…
Opisthopappus taihangensis and Opisthopappus longilobus are endemic perennial cliff herbs of the Taihang Mountains, important wild resources of the family Compositae with high economic and ecological value. To determine suitable whole-genome sequencing strategies for the two species, this study empl…
