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Unformatted text preview: rowth of cortex and pericycle cells
o 2 cell masses fuse forming a nodule
o Nodule develops vascular tissue
o Figure 37.12 Mycorrhizae and Plant Nutrition
o Mycorrhizae: mutualistic relationship between soil fungi and plant roots
o Fungus gets steady supply of sugar from the plant
o Fungus provides additional water and nutrient for the host plant Two types of Mycorrhizae 35 Epiphytes, Parasitic Plants, Carvivorous plants Chapter 38: Angiosperm Reproduction Concept 38.1: Flowers, double fertilization, and fruits are unique features of the angiosperm life
cycle The 3 Fs are the derived traits in angiosperms
o Double Fertilization
o Fruit Simplified Angiosperm Life Cycle 36 Flower Structures
o Flowers are the reproductive shoots of the angiosperm sporophyte o There are 4 floral organs in a complete flower Sepals Petals Stames Carpels o Incomplete Flowers lack 1 or more of the floral organs Reproductive Variations
o Incomplete flowers may lack either stamens or carpels Staminate flowers: do not have carpels Carpellate flowers: do not have stamens o Plant with flowers of both sexes are monoecious o Plants that have flowers of one sex or the other are dioecious Pollen: The Male Gametophyte 37
o Each microsporangium contains diplo...
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This note was uploaded on 02/03/2014 for the course BIOL 1202 taught by Professor Gregg during the Spring '08 term at LSU.
- Spring '08