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Project Noah Nature School
Asclepias
The milkweed filaments from the follicles are hollow and coated with wax, and have good insulation qualities. Tests have shown them to be superior to down feathers for insulation. During World War II, over 5,000 t (5,500 short tons) of milkweed floss was collected in the United States as a substitute for kapok. As of 2007, milkweed is grown commercially as a hypoallergenic filling for pillows.
Spotted on Jul 4, 2012
Submitted on Jul 4, 2012
1 Comment
Very nice! I loved to collect these as a kid.