HORT 202
GENERAL HORTICULTURE LABORATORY
Lab 2: Recognition of Plant Structures
INTRODUCTION

ROOTS

LEAF MORPHOLOGY LEAF TYPES  MODIFIED LEAVES
 

STEM MORPHOLOGY 
 

MODIFIED STEMS
 

TYPICAL FLOWERS
 

FRUIT PARTS
 

CLASSIFICATION OF FRUIT

 
FRUIT PARTS
pericarp
the fruit wall (derived from the ovary of the pistil) which is composed of the exocarp, mesocarp and endocarp (the three layers are not always recognizable, ex. dry fruit)
endocarp
the innermost layer of the pericarp (often hard, stony or papery) 
mesocarp
the middle layer of the pericarp (often fleshy) 
exocarp
the outermost layer of the pericarp (often like a skin or peel). (peach)
Peach
fruitparts-peach

 
rind tough, leathery covering on many fruits either composed of the exocarp (melon) or the exocarp and mesocarp (orange).
Lemon
hesperidium rind--lemon
accessory tissue fruit parts not directly derived from the ovary, for example, receptacle tissue of pomes (apple) and the husks of nuts (acorn, pecan).
Apple
pome  Apple

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The General Horticulture Laboratory 2 Homepage, was created by Trisha Blessington Haley and was updated by Michelle Meche.  Any comments or suggestions should be e-mailed to D.W. Reed at e-mail: dwreed@tamu.edu.  If you use any of the instructional material, please give credit to the source. Copyright  D.W. Reed, TAMU.