phyllaries seem apiculate, taproot lacking (though sometimes absent in G. purpurea), and not seeing "glassy", expanded bases of the trichomes on the adaxial leaf surface
4th photo: stem hairs
5th: inner phyllaries
6th: cypselae
7th: involucre
8th: involucre
I think, since the pedicel curved toward the ground
-pedicels in fruit ~15 mm
-growing out of limestone rock under red oak
Found in typical Hill Country soil, black, thin, rocky, dry