Flower Parts
What is the female part of the flower called?
Name one of the structures on the outside of a stem.
- letticels
-terminal bud
-internode
-node
What is two color types of poinsettias that we are growing in the greenhouse?
Red
White
What is the main sun-collecting structure on the leaf? Hint: it has a large broad flat surface.
Leaf Blade
A leaf that has only one blade on its petiole is called what?
Simple leaf
Flower part that is neither male nor female?
Petals
Bascular cambium is the tissue that is responsible for the production of new what?
xylem and phloem
Where did the poinsettia originate from?
Mexico
The blade is held away from the stem and supported by a leaf stem called what?
Petiole
A leaf with multiple blades is called leaflets is said to be what?
Compound leaf
What two parts make up the male part of the flower called the stamen?
Filament and Anther
Lenticels are small spots on the stem that allow what?
gas exchange
What temperature should poinsettias be in during the day?
65-75 degrees
Many leaves are organized with one main vein running down the middle of the blade. What is that vein called?
Midrib
When leaves and the buds are arranged directly across from each other on a stem they are said to be what?
Opposite
Which three parts make up the female parts of the flower?
-Stigma
-Style
-Ovary
At the node, just above where the leaf is attached, there is always a side bud called what?
Lateral bud
When was poinsettias brought to the U.S.?
1828
Veins in a branching pattern are called what?
Netted veins
Leaves and buds that are spaced along a stem in an alternating fashion are termed what?
Alternate
What is it called when the pollen from one flower lands on the stigma of a compatible flower?
Pollination
Apical Meristem
Who brought poinsettias to the United States?
Joel Roberts Poinsett
On top of the leaf is a waxy non-cellular layer called the what?
cuticle
When three or more leaves and buds are attached at a node, the arragment is called what?
Whorled