Milkweed Seedpods - Asclepias - Butterfly Weed 

Need to feed some butterflies AND stuff a sleeping bag? Asclepias has got you covered.
Photo credits:
"Swamp milkweed monarch" by The original uploader was Teune at English Wikipedia - Transferred from en.wikipedia to Commons by Hardscarf using CommonsHelper.. Licensed under CC BY-SA 3.0 via Commons
"Asclepias incarnata, 2015-07-12, Kane Woods, 02" by Cbaile19 - Own work. Licensed under CC0 via Wikimedia Commons
"Butterfly Weed Asclepias tuberosa Umbel" by Photo by and (c)2009 Derek Ramsey (Ram-Man) - Self-photographed. Licensed under GFDL 1.2 via Wikimedia Commons