Grow Beautiful Carnivorous Plants   
  Amorphophallus for Beginners  
 
page 14--Plant Structures and Leaf Shapes
 
 

--Leaf Shapes
lanceolate
: a narrow leaf, broadest at the base narrowing toward the apex
ovate
: egg shaped with a broad base
oval
: broadest at the middle
peltate
: a broad, rounded leaf with the petiole attached in the middle of the underside of the leaf blade; umbrella-like
reniform
: kidney-shaped; the petiole is attached at the sinus

--Base Shapes
cordate
: heart-shaped
oblique
: leaf margins do not attach to the petiole evenly
peltate
: similar to peltate leaf shape; refers to the attachment of the petiole on the underside of the leaf blade
rounded
: broad based
sheathing
: the base of the leaf surrounds the stem
truncate
: squared base

--Roots
tap roots
: the primary root continues straight down the axis of the plant traveling deep into the soil
fibrous roots
: the roots resemble fibers, there is no single primary root
tuberous roots
: thick, fleshy roots

--Specialized Structures
tubers
: a thick, underground stem having numerous buds
rhizomes
: a lateral stem growing just beneath or partially beneath the soil line
stolons
: an above ground trailing shoot
corm
: a thick, solid, underground stem
tunicate bulb:
an underground, modified leaf bud with tight concentric layers; used as a storage organ
scaly bulb
: an underground modified leaf bud with loose concentric layers; used as a storage organ

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