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39 terms

PLANT VOCAB

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angiosperm
flowering plant
anther
long stalk at top of a flowers stamen where meiosis produces spores that develop into pollen
bark
all plant tissues outside the vascular cambium: includes phloem, cork cambium, and cork
blade
main part of leaf
bud
undeveloped shoot of a plant
carpel (pistil)
female reproductive organ of a flower
cotyledon
structure in a seed that functions in the storage and transfer of nutrients to the embryo
cross-pollination
a process in which pollen of one plant unites with the egg of a different plant
cuticle
waxy coating on the leaves and other above ground parts of plants that helps the plant retain water.
endosperm
nutrient-storing tissue that nourishes the developing embryo of a plant
fibrous root
type of thin root that makes up a highly branched root system
flower
specialized plant shoot that functions in reproduction: unique to angiosperm
fruit
ripened ovary of a flower
germination
process by which a plant embryo begins to grow
guard cells
1 pair of cells that open and close the stoma of a plant by changing shape, allowing gas exchange with the surrounding air
gymnosperm
plant that bears seeds that aren't enclosed in an ovary
legumes
member of a group of plants that house their own nitrogen-fixating bacteria
monocots
a flowering plant that produces one seed leaf
dicots
flowering plant that produces two seed leaves
nitrogen fixation
process of converting nitrogen gas into ammonia
ovaries
female reproductive structures that produce eggs
ovule
a small body that contains the female germ cell of a plant
petal
A modified leaf of a flowering plant.They are often the colorful parts of a flower that advertise it to insects and other pollinators.
pollen
the fine spores that contain male gametes and that are borne by an anther in a flowering plant
petiole
thin stalk by which a leaf blade is attached to a stem
pollination
transfer of pollen from the male reproductive structure to the female reproductive structure
primary growth
growth in plant length
root cap
A cone of cells at the tip of a plant root that protects the apical meristem.
root hairs
extensions of epidermal cells that increase a plants surface area for water absorbtion
root nodules
legumes' lumps on their roots that contain nitrogen fixing bacteria
secondary growth
pattern of plant growth in which stems increase in width
phloem
the vascular tissue through which food moves in some plants
self-pollination
pollination of a flower by its own pollen
sepal
a leaflike structure that encloses the bud of a flower
stamen
the male reproductive organ of a flower
stem
a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
stomata
the small openings on the undersides of most leaves through which oxygen and carbon dioxide can move
taproot
primary root found in some plants that grows longer and thicker than other roots
xylem
the vascular tissue through which water and nutrients move in some plants