Monday, October 6, 2008

Lesson on Trees

Autumn can be a spectacular season of bright blue skies, cool temperatures, and brilliant leaf color. During the growing season, most tree leaves are green because they are full of chlorophyll. Plants use chlorophyll to capture sunlight for photosynthesis, the process that enables them to manufacture their own food. The amount of chlorophyll is so high during the summer that the green color masks all other pigments present in the leaf. As the days grow shorter in the fall, chlorophyll production slows down and eventually stops. The carotenoids and anthocyanins that are present in the leaf then become visible.

Characteristics of particular species of trees:

Oaks turn red, brown, or russet

Hickories turn golden bronze

Dogwood turns purplish red

Beech turns light tan

Red maple turns brilliant scarlet

Sugar maple turns orange-red

Black maple turns glowing yellow

Sourwood and black tupelo turn crimson

Aspen, birch, and yellow-poplar turn golden yellow

All of the autumn colors in there rich deep tones are so inspiring, I want to go take a drive thru the countryside about you?

1 comment:

Distressing Delilah said...

Stunning pictures! Great post too!