Rhizomes, tubers and corms are stems that reproduce asexually, also roots with suckers or runners. Alternation of generations means plants have multicellular haploid and multicellular diploid forms. Angiosperm sporophyte is dominant. Gametophyte is dependent on sporophyte. Flower parts Receptacle - enlarged tip of stalk Sepals are outermost, protect bud.
All sepals are the calyx petals are broad, flat, thin with various shapes and colors.
May fuse into tube All petals are the corolla Stamen is male reproductive organ. Stalk is the filament, anther is the sac of pollen. Pollen transferred to female carpel, produces 2 cells with outer coat. One cell forms nonflagellated sperm, other cell forms pollen tube. Center of flower has carpel, female reproductive organ.