Identified using the iPhone app - LikeThat Garden - Flower Identification. Pretty cool I got an accurate hit the first time.
old field community
I was returning home from San Antonio and my leg was bothering me so i decided to pull off the interstate to walk around a bit and I found these milkweeds near the intersection of I10 and 97.
Asclepias L. (1753), the milkweeds, is a genus of herbaceous perennial, dicotyledonous plants that contains over 140 known species. It previously belonged to the family Asclepiadaceae, but this is now classified as the subfamily Asclepiadoideae of the dogbane family Apocynaceae.