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35 Cards in this Set
- Front
- Back
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Primary functions of roots? |
Absorption Anchorage Taproots |
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Primary functions of stems? |
Support for leaves/flowers house conductive tissue Protective layer |
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Parts of the stamen |
Filament and anther |
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Parts of the pistil |
stigma, style, and ovary |
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Perfect vs imperfect flower |
Both vs one functional sex |
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monoecious vs. dioecious |
Imperfect flowers on same or different plants |
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Def. Agriculture |
large scale cultivation of plants as a primary food source |
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Domestication |
Change in species for human benifit |
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Theories of development of agriculture |
Spontaneous discovery Invention Pre-agricultural knowledge |
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How do we know where plants come from? |
History, mythology, linguistics, archeological evidence. |
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What is needed for agriculture |
Plants that can be domesticated Crop knowledge Drop in production |
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Why are plants grown where they are |
Most productive Market value Poor environment Culture |
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Domestication - when? |
10K-12K YA |
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Pericarp comes from? |
Ovary |
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Indehiscent |
Does not split open when dry |
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3 types indehiscent |
Achene Grain Nut |
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Dehiscent |
splits when dry |
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Types of simple fruits |
Dry Fleshy Pepo Pome |
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What is an aggregate fruit? |
multiple ovaries, single flower
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What is a multiple fruit |
Formed from multiple flowers (pineapple) |
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Berry - |
single superior ovary produces thin exocarp, fleshy mesocarp, and edible endocarp. (Grape) |
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Drupe |
like a berry with a hard endocarp |
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pepo |
hard rind formed from fused exocarp and receptacle, fused messo- and endo- carp |
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Pome |
core - pericarp flesh - floral cup flower type - inferior |
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Family Rosaceae |
Maloideae Amygdaloideae Rosoideae |
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Maloideae |
Produces Pommes (apples, pears, quinces) ovary in middle of flower |
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Amygdaloideae |
Produces Drupes - superior ovary (plums, cherries, stone fruits) |
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Rosoideae |
Produces aggregate fruits (stawberries) |
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Other families |
Ericaceae Vitaceae Oleaceae |
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Ericaceae |
Blueberry, Cranberry |
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Vitaceae |
Grapes |
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Oleaceae |
Olives (Olea europea) |
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Nuts |
Embryo |
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Nuts - families |
Juglandaceae (Walnuts) Fagaceae (chestnut) Corylaceae (Hazelnut) |
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False nuts |
Almond - drupe from Rosaceae Pistachio - drupe from Anacardiaceae |
