Thyrsanthella difformis formerly Trachelospermum difforme Common Names climbing dogbane Family Apocynaceae Habitat floodplains, bottomlands Observed Blooming early August, 2016 late June, 2015 Conservation endangered in Maryland (S1) rare in Indiana Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Email a link to a friend (Opens in new window) Email Like Loading...