Presentation on theme: "Review of Flower Formula:"— Presentation transcript:
1 Review of Flower Formula: Crassula argentea - the jade plant
2 What is the flower formula? Ranunculus - buttercupReview:What is the flower formula?
3 What is the flower formula for this plant? Lilium tigrinum - tiger lilyWhat is the flower formula for this plant?The strange lateral buds are called bulbils. These are shed as a means of vegetative propagation
8 Osmophores: release scent as alternate attractant Sometimes the scent is the reward…A behavioral reward!
9 Ophrys insectifera with pollinator Argogorytes mystaceus Ophrys insectifera with pollinator Argogorytes mystaceusBergstrm, G. (1978) Role of volatile chemicals in Ophrys-pollinator interactions In Biochemical Aspects of Plant and Animal Coevolution (J. B. Harborne, ed.), Academic Press, London.
10 Beetles as pollinators: lousy flight accuracy, heavy feeding Target is largeAlternate entryHeavy flower partsPollen load is heavyFantasy Island…OrNightmare Island?
11 Perching BirdsSame SequenceStiff-Leaf Perches!Hovering Birds and Sequence!
16 Darwin described an orchid, Angraecum sesquipedale from Madagascar with an 11.5-inch nectar spur! He predicted that there would be a pollinating animal with 11.5-in mouthparts to drink the nectar, but never found the animal.Much later (1903), Xanthopan morgani predicta, its pollinator was found with an 11.5-inch siphon!