Sycamore.
Wreath
Raymond W. Prouty is known for writing books related to aircraft design and aerodynamics, including "Helicopter Performance, Stability, and Control" and "Rotorcraft Aeromechanics." He is considered an expert in the field of rotorcraft engineering and has made significant contributions to the understanding of helicopter technology.
A Pine Tree begining with the letter "W" is a White Pine Tree.
The Marines use many helicopters. Their most common helicopter is probably the AH-1 W Super Cobra
None
wisteria
waratah?
zinnia
Harold the Helicopter is featured in "Thomas & Friends," a children's book series created by Reverend W. Awdry. Harold is a friendly helicopter who assists the steam engines on the Island of Sodor.
Wisteria is a flower species. Flowers can wilt as they age.
Howard W. Swift has written: 'The wonderful world of plants and flowers' -- subject(s): Flowers, Juvenile literature, Plants
Walnut tree, willow tree or white birch tree.