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Flower Position During Day and Night (Pollen Protection)



1.The flowers of a cranesbill (Geranium robertianum) during the day at upright stems. 2. The same flowers during the night and in bad weather at bent stems, and with downward-pointing flower openings. 3.,4. Flower of a bellflower (Campanula patula) 5.,6. Flower heads of a scabiosa (Scabiosa lucida). From: A. KERNER von MARILAUN: "Pflanzenleben" ( Plant Lives), 1913



© Peter v. Sengbusch - b-online@botanik.uni-hamburg.de