Lab 3 Flashcards
The leaves commonly consist of a ______, which is the flattened, extended part.
blade
The _______ is the leaf stalk that is often present in dicotyledons.
petiole
Leaves that lack a petiole are know as _______ leaves.
sessile
________ are small leaf like appendages found at the base of the petiole in legumes and various other dicotyledons crops.
Stipules
In grasses, the blade departs from the ______, and junction of the blade and sheath of the grass leaf called the _______.
sheath, collar
The _____ a membranous structure or line of hairs that projects form the top of the sheath at the collar in grasses.
ligule
________ are ear like appendages that occur at the base of the leaf blade in some grasses.
Auricles
Veins have a ______ venation on Monocots.
paralllel
In dicotyledons, secondary veins radiate laterally from a unusually conscious midrib and form a reticulate condition called the ______ venation.
netted
Leaves are called ______ leaves when they are comprised of a single morphological unit.
simple
The leaves are called _______ leaves when the leaf blade is subdivided into two or more individual leaflets.
compound
Compound leaves may be called _______ compound, when the leaflets radiate from a common point.
palmately
Compound leaves may be known as ________ compound when leaflets are arranged along both sides of the rachis.
pinnately
The arrangement of leaves on the stem also varies along plants and could be _______, _______, or ________.
opposite, alternate, or whorled.
The ______ is the reproductive structure in plants.
flower
The flower consist of what four parts?
Stepals, petals, stamens, and pistil
Pollen is produced in the _______.
stamen
The pistil is composed of _____, _____, and _____
stigma, style, and ovary.
________ flower lack one or more of the four flower parts.
Incomplete
Imperfect flowers are incomplete when the lack either the ______ or ______.
stamen or pistil
Plants that have male and female flowers on separate plants are known as _______ plants.
dioecious
An ____________ is a group of flowers clustered together.
inflorescence
The ______ is a mature fertilized ovary containing the seed or seeds.
fruit
Fruit could be divided into fleshy and dry fruits, the latter are divided into _________ dry fruits and _______ dry fruits.
dehiscent, indehiscent
Monocot have what type of root?
fibrous
Dicot have what type of root?
tap root
Monocot have what type of leaf?
simple
Dicot have what type of leaf?
compound
Monocot have what type of leaf venation?
parallel
Dicot have what type of leaf venation?
netted
