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
