@article {859, title = {Polyembryonie resultant de la concrescence de deux ou de plusieurs ovules chez quelques especes du genre Hypericum.}, journal = {Ann. Univ. ARERS, Reims}, volume = {9}, number = {part 3}, year = {1971}, note = {Geog=1-3,6KBD, Royal Botanic Gardens, Kew.}, pages = {306-310 (1971)}, keywords = {Systematics: ANGIOSPERMAE HYPERICACEAE: HYPERICUM}, author = {Bugnicourt, M} }