title: [Herbalogical textual study on "guanzhong"].
abstract: Herbalogical textual study indicated "Guanzhong" recorded in Bencaojing at Han Dynasty had pteridophyte characters. In the period of Wei and Jin Dynasties, the name of "Guanzhong" was really belonged to spermatophyte. Since Southern and Northern Dynasties, fern has been the main source of "Guanzhong" in which Woowardia japonica was used longer than others.
authors.affiliation: Chengdu University of TCM, Chengdu 610072.
authors.forename: Jiakui
authors.initials: J
authors.lastname: Wang
authors.forename: Kehai
authors.initials: K
authors.lastname: Liu
authors.forename: Siwen
authors.initials: S
authors.lastname: Tang
authors.forename: Chunjie
authors.initials: C
authors.lastname: Wu
mesh_terms: D004365:Drugs, Chinese Herbal / Q000266:history; D032491:Dryopteridaceae / Q000033:anatomy & histology* / Q000145:classification; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049691:History, Medieval; D010598:Pharmacognosy / Q000266:history*; D018517:Plant Roots / Q000033:anatomy & histology; D018547:Plant Stems / Q000033:anatomy & histology; D010946:Plants, Medicinal / Q000033:anatomy & histology* / Q000145:classification
chemical_list: D004365:Drugs, Chinese Herbal