title: [Pollen morphology of medicinal flowers. II. The multiple of close relative origin type].
authors.affiliation: Sichuan Institute of Chinese Materia Medica, Chongqing.
authors.forename: W
authors.initials: W
authors.lastname: Xia
authors.forename: X H
authors.initials: XH
authors.lastname: Xiao
mesh_terms: D008855:Microscopy, Electron, Scanning; D010946:Plants, Medicinal / Q000033:anatomy & histology / Q000648:ultrastructure*; D011058:Pollen / Q000033:anatomy & histology / Q000648:ultrastructure*