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Lecture 8 & 9
Angiosperm and Gymnosperm Characteristics
9
Biology
Undergraduate 1
09/27/2010

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Term
What is the main difference between a gymnosperm and an angiosperm?
Definition
Gymnosperms have naked seeds and angiosperms have seeds enclosed in an ovary.
Term
define acicular:
Definition
needlelike
Term
define peltate:
Definition
shaped like an umbrella/shield
Term
define coriaceous:
Definition
leathery but pliable
Term
What is the difference between aggregate and multiple?
Definition

Aggregate means several carpels on one flower.

Multiple means separate carpels from separate flowers.

Term
define monotypic:
Definition
Monotypic means that there is only one genus in a family.
Term
define stipules:
Definition
Stipules are leaflike appendages at the base of a leaf or on its petiole.
Term
define marcescent:
Definition
Marcescent means leaves that wither and turn brown but still stay on the tree (such as in the Fagaceae family).
Term
define involucre:
Definition
An involucre is a cluster of bracts.
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