Aguilar-García, S A Effect of flower orientation on the male and female traits of Myrtillocactus geometrizans (Cactaceae). [electronic resource] - Plant biology (Stuttgart, Germany) May 2018 - 531-536 p. digital Publication Type: Journal Article ISSN: 1438-8677 Standard No.: 10.1111/plb.12713 doi Subjects--Topical Terms: Biological Variation, IndividualCactaceae--anatomy & histologyFlowers--anatomy & histologyOvule--anatomy & histologyPollen--anatomy & histologyPollen Tube--anatomy & histology