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1.
Article in Chinese | WPRIM | ID: wpr-690721

ABSTRACT

Lilii Bulbus, which comes from many medicinal plants,is a frequently-used traditional Chinese medicine,the records in previous herbal literatures of it's origin and quality were inconstant. To trace back it's sources, we conducted a systematical study on it's origin and quality by textual research and investigation in this paper,The result showed that the origins of Lilii Bulbus are mainly source from white-flowers, red-yellow-flowers and red-flowers of Lilium, L. brownii var. viridulum, which were believed authentic or good quality in all previous herbal literatures,and L. pumilum and L. concolor which belong to white-flowers,and L. lancifolium which belong to red-yellow-flowers were believed low-quality and unfit for medicinal uses, or they were listed below and often have different effect with L. brownii var. viridulum. Among them, only L. concolor does not belong to Lilii Bulbus according to Chinese Pharmacopeia (2015 edition), The mainstream varieties of Lilii Bulbus became L. lancifolium now according to our practical investigation, which were very different from previous herbal literatures. Although chemical and pharmacological studies provided a reference for L. lancifolium,we should respect the actual records of the previous herbal literatures,the research of material foundation of efficacy should be more sufficient,and provide science evidence for clinical application of different species of Lilii Bulbus.

2.
Article in Chinese | WPRIM | ID: wpr-341869

ABSTRACT

To understand Lophatherum gracile plant community's structural characteristics, a survey of community structure and species diversity was conducted through quadrat sampling in Yongchuan district of Chongqing. The results showed that there were 386 species vascular plants, belonging to 117 families and 229 genera. Based on habitat, community structure and species composition, L. gracile were found in three community types: Pinus massoniana community, banboo community, shurb community. Vertical structure was composed of three layers, including tree layer, shrub layer and herb layer. Species in shrub layer was the richness. P. massoniana is the only dominant species of the community, it can not regenerate naturally, the shrub layer has a greater effect on the community of L. gracile in the future. In addition, the banboo community and shurb community is not stable because of human's activity. Therefore, the community characters of L. gracile should be taken care of conservation when the resources are utilized.


Subject(s)
China , Ecosystem , Pinus , Physiology , Plants , Poaceae , Physiology
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