Gymnospores Flashcards

1
Q

Why are gymnospores more advanced than moss and ferns

A

still vascular but NOW HAVE SEEDS, cone bearing

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2
Q

Cycodophyla

A

very popular in home landscaping
sego palm - zamia infegritola
introduction of secondary growth

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3
Q

Ginkgophyta

A

gymnosperm; have many deciduous properties (leaves that fall golden)

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4
Q

Ginkgo biloba

A

preserved in temple grounds in China and Japan
common in herbs - helps with memory
common in urban parts bc of its resistance to air pollution

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5
Q

Seeds in Ginkophyta

A

attached to spur shoots, crawling sperm

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6
Q

Gnetophyta species

A

Gnetum, Welwitschia, Ephedra

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7
Q

Gnetum spp

A

gymnospore, gnetophyta
tropical and subtropical
edible seeds and foliage - large leathery leaves
advanced anatomical wood cell “vessell”

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8
Q

Welwitschia

A

gymnospore, gnetophyta
bizarre vascular plant
pile of leaves growing around disc

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9
Q

Ephedra spp

A

gymnospore, gnetophyta
long, used in ancient china
viable treatments for asthma/respiration problems
produce chemical analog of adrenaline (ephedrine)

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10
Q

Coniferophyta

A

most numerous and widespread gymnospores, aka pinophyta; all perennial, woody, secondary growth, mostly trees some shrubs, used to make paper

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11
Q

Pinus spp

A

Coniferophyta (Pinophyta) ; adaptated to cold and higher altitudes better than angiosperms

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12
Q

Facicle

A

pinus spp; cluster of pine needles ( 7 @ base)

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13
Q
A
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