Media type: E-Article Title: Systematic importance of orbicule diversity in Gentianales Contributor: Vinckier, Stefan; Smets, Erik Published: Informa UK Limited, 2002 Published in: Grana, 41 (2002) 3, Seite 158-182 Language: Not determined DOI: 10.1080/001731302321042623 ISSN: 0000-0000; 0017-3134 Keywords: Plant Science ; Ecology, Evolution, Behavior and Systematics Origination: Footnote: