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24 terms

Plant Reproduction and Survival

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Monoecious
Both male and female flowers are housed on an individual plant
Dioecious
male and female flowers are housed on separate plants
Embryo Sac
Female gametophyte (n) that develops in megasporangia
Pollen Grain
Male gametophyte (n) that develops in microsporangia
Perfect (Flower)
Flower containing both male and female sex organs
Imperfect (Flower)
Flower containing only male or only female sex organs
Inflorescence Meristem
Converted from a vegetative meristem to produce bracts (leaf-like) and new meristems, stops primary growth
Annual
Completes life cycle in one year
Biennial
Completes life cycle in two years, store carbohydrates in vegetative growth first year and then flower and die
Perennial
Live for 3+ years, survive flowering
Florigen
Small flower-inducing protein
Vernalization
Cold temperatures signal flowering
Photoperiodism
Flowering controlled by length of day/night cycle
Apomixis
Asexual reproduction of seeds
Stock
The root-bearing stem of a plant used for grafting
Scion
The bud or stem grafted onto the host plant
Megagametophyte
Embryo sac, haploid, female
Microgametophyte
Pollen grain, haploid, male
Microsporophyte
Anther, diploid, male
Tuber
Underground stem used for storage, as in potatoes
Rhizome
Horizontal underground stem that produces shoots, as in bamboo
Bulb
Underground bud with modified leaves for storage
Suckers
Shoots produced by roots, as in aspen
Corm
Short underground stem used for storage