"Sand-vine (Gonolobus lavis). a, flower; b, crown-lobe tipped by a 2-cleft awn; c, stamen-tube; d, follicle or seed-pod." -Whitney, 1911

Sand Vine

"Sand-vine (Gonolobus lavis). a, flower; b, crown-lobe tipped by a 2-cleft awn; c, stamen-tube; d, follicle…