Plant Reproduction and Survival

24 terms by Anonomoose

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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

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