STEMS Flashcards
(37 cards)
ARE PLANT ORGANS WHICH ARE CONTINUATIONS OF THE ROOTS USUALLY LOCATED ABOVE THE SURFACE OF THE SOIL
STEMS
A YOUNG STEM 1-YEAR-OLD OR LESS WITH LEAVES
SHOOT
A YOUNG STEM 1-YEAR-OLD OR LESS THAT IS IN THE DORMANT WINTER STAGE HAS NO LEAVES
TWIG
A STEM THAT IS MORE THAN 1-YEAR-OLD TYPICALLY WITH LATERAL STEMS RADIATING FROM IT
BRANCH
A WOODY PLANTS MAIN STEM
TRUNK
THE STEM WITH ITS LEAVES IS CALLED WHAT
SHOOT
ALL THE STEMS AND LEAVES OF A PLANT CONSTITUTES WHAT
SHOOT SYSTEM
STEMS ORIGINATE FROM THE ____ ANG PARTLY FROM THE ____ OF THE EMBRYO
EPICOTYL
HYPOCOTYL
CLASSIFICATION OF STEMS BASED ON TOUGHNESS
HERBACEOUS AND WOODY STEMS
CLASSIFICATION OF STEMS BASED ON TOUGHNESS FOUND IN BOTH MONOCOT AND DICOT PLANTS
HERBACEOUS STEMS
CLASSIFICATION OF STEMS FOUND ONLY IN DICOT PLANTS
WOODY STEMS
STEMS THAT ARE ONLY WOODY AT THE BASE IS CALLED
SUFFRUTESCENT STEMS
STEMS EXTERNAL STRUCTURE
NODES
INTERNODES
LEAF SCAR
BUNDLE SCAR
LENTICELS
BUDS
SWOLLEN AREAS WHERE LEAVES BRANCHES AND BUDS ARISE
Nodes
PORTION BETWEEN TWO NODES
INTERNODES
MARK LEFT ON THE STEM BY A FALLEN LEAF
LEAF SCAR
CUT ENDS OF THE VASCULAR BUNDLES WITHIN EACH LEAF SCAR
BUNDLE SCARS
RAISED PORES SEEN ON DICOT STEMS
LENTICELS
Undeveloped structures which may grow into leaves shoots or flowers
BUDS
Types of buds based on location and position on the stem
Terminal or apical bud
Lateral or axillary bud
Accessory or supernumerary bud
Adventitious bud
TYPE OF BUD AT THE END OF THE STEM
TERMINAL OR APICAL BUD
At the upper angle formed by the leaf stalk and the stem called the leaf axil
LATERAL OR AXILLARY BUD
Type of bud beside and above the axillary bud
Accessory or super numerary bud
Type of buds on other parts of the plant such as leaves roots or internodes
Adventitious bud