ACER

1
ACER
GENUSFruit double samarasLeaves typically
opposite, palmately lobed
Species distinguished by leaf characteristics
Margins entire or serrate
Sinus depth and shape
lobes
2
Acer circinatum
3
CORNUS
Opposite elliptical leaves with arcuate venation
C. florida C. nuttallii flowers in heads
surrounded by white bracts
4
MAGNOLIACEAE
circular stipular scars
very largeterminal buds
5
Magnolia
Eliptical leaves
Fruit aggregate of follicles
Liriodendron
Fruit aggregate of samaras
4-lobed leaves
6
Aggregate fruit types
Aggregate of drupelets
Aggregate of achenes
7
ROSACEAE typically 5 unfused petals
Domesticated flowers
Typical flower
Superior ovary
Rose hip
pome
Inferior ovary
8
Prunus
Fruit pomeextra floral nectaries
Sorbus
Fruit pome
9
extrafloral nectary