The development process and spore sterile culture of Pteris wallichiana Agardh.
研究了西南凤尾蕨的发育过程和孢子的无菌培养方法。
OBJECTIVE To develop a HPLC method for extracting and separating the diterpenoids from Pteris semipinnata L.
目的建立一种高效的提取和富集分离半边旗中二萜类活性成分的方法。
OBJECTIVE: To study the phytochemistry of Pteris semipinnata L. (PSL), and antitumor action of its active constituents and active fraction.
目的：半边旗的植化研究及其有效部位和有效成分的杭种瘤活性研究。
The spore morphology of Pteris is stable, and the difference between species is distinct , but the features of spore and sporophyte are not related.
凤尾蕨属植物孢子的形态稳定，种间差异明显，但孢子形态特征与孢子体的形态特征是不相关的。
Besides, pollen of Abies, Picea, Pinus, Tsuga, Betula, Ericaceae, Labiatae and Cyperaceae and spores of Pteris, Polypodium and Selaginella were also observed.
此外，有冷杉、云杉、松、铁杉和桦等属乔木花粉和杜鹃科、唇形科、莎草科灌木和草本植物花粉及凤尾蕨、水龙骨、卷柏等属孢子。
The spore morphology of Histiopteris and pteris is very differential, put genus Histiopteris in family Pteridaceae is not suitable, according to the feature of spore morphology.
从孢子形态上看，栗蕨属与凤尾蕨属有很大差异，将其放在一个科中不合适。
The main genera are Pteris L., Colysis Presl, Woodwardia Sm., Selaginella Spring and Asplenium L., among which Pteris L. and Woodwardia Sm. have relatively intensive distribution.
主要属为凤尾蕨属、线蕨属、狗脊蕨属、卷柏属和铁角蕨属，其中以凤尾蕨属和狗脊蕨属分布相对集中。
The main genera are Pteris L., Colysis Presl, Woodwardia Sm., Selaginella Spring and Asplenium L., among which Pteris L. and Woodwardia Sm. have relatively intensive distribution.
主要属为凤尾蕨属、线蕨属、狗脊蕨属、卷柏属和铁角蕨属，其中以凤尾蕨属和狗脊蕨属分布相对集中。
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