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5 Cards in this Set
- Front
- Back
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What are some examples of parasitic plants and invasive climbing plants?
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dodder, mistletoe, broomrape, witches' broom, witchweed, kudzu
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Compare dodder and witchweed.
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Dodder is a bridge for virus infection, doesn't produce chlorophyll, seedling encircles and climbs on host and spreads to other plants and sends haustoria into stem of host and stays on host.
Witchweed produces chlorophyll and the rootlets produce hautoria on host plant which penetrates host cortex and draws nutrients from roots but grows beside it. |
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Compare climbing plants and algae vs parasitic plants.
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Climbing plants and algae overtake the host and don't receive nutrients from host. Parasitic plants rarely kill host and need them to live.
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Describe broomrape.
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occurs in warm, dry regions
white to yellowish brown fleshy stem, scale-like leaves attacks herbaceous dicots |
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What is the historical significance of mistletoe?
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Norse myth--Frigga's son Badur (Sun god) was shot with a mistletoe arrow. She placed him underneath and he was brought to life so she pronounced it sacred and should bring love
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