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Glossary of Botany: Stems And Leaves

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Two main types of leaves are:
simple and compound
What are the primary photosynthesis organs of most plants.
Leaves
The arrangement of leaves on a stem is called ______ and helps maximize absorption of light.
phyllotaxis
Leaves are arranged in [which] pattern at the nodes of stems.
an alternate, opposite, or whorled
Which phyllotaxis pattern has three or more (and as many as 25) leaves per node.
Whorled
We focus on one of the two tissues specialized for commerce between organs: the _______, which carries water and dissolved minerals from roots to leaves. Recall we learned about the other transport tissue, ______, in the previous chapter.)
xylem; phloem
In which phyllotaxis pattern is there only one leaf per node.
Alternate
The evolution of these tissues __[A. name them]__ was largely responsible for the widespread invasion of ___B___ by plants and thus for the evolution of __c__.
A. xylem and phloem
B. land
C. land-dwelling animals
The following are examples of plants with which phyllotaxis: Oleander, Peperomia, and horsetail
Whorled
The following are examples of plants with which phyllotaxis: maple, ash, dogwood, and Coleus
Opposite
The following are examples of plants with which phyllotaxis: have two leaves per node
Opposite
In which phyllotaxis pattern are most plants;
Alternate
What is the basic function of xylem tissue?
to carry water and dissolved minerals from roots to leaves.
In which phyllotaxis pattern are leaves often found alternately along two parallel ranks of the stem, such as in ginger and pea.
Alternate
The arrangement of leaves on a stem is called phyllotaxis and helps _______________.
maximize absorption of light

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