Looks to be Thunbergia, I think Grandiflora. The bluish flowers with yellow throats are typical. I have Fairy Moon, which looks similar, but slightly different colored flowers.

Yes, you've got it right. It's Bengal Clock Vine or Blue Sky Vine (Thunbergia grandiflora).

Carol in Jacksonville

Because of the dark blue color (at least on my computer). I think the first pic is thunbergia battiscombei rather than t. grandiflora. Battiscombei doesn't get very tall (maybe 3') - more a sprawling plant. I do have one growing in that manner. Another is supported by an obelisk so it's about 5' high - it definitely wouldn't be that tall if it had no support.

T. grandiflora, the Blue Sky vine, is aptly named as it's flowers are sky blue. I don't grow it but a friend has it. It gets huge, completely covering her large pergola.

The second pic looks like thunbergia erecta, aka King's Mantle. It's a shrub. The flowers are similar to those of battiscombei but the foliage is different. It's leaves are much smaller and darker green. Battiscombei has larger "tropical" looking leaves.

June

Thanks for the really quick answers.
The first plant is a sprawly one and the flowers are really deep purple/navy.

The second is a huge tangled shrub - but these plants are across town from each other, so I haven't compared the bloom colors.

Thanks to all of you for responding. I'll be researching all the info and decide if I want to have these in my own yard.

Susie

June, thanks for the correction! Not only am I glad for Susie to have proper information, it explains a lot about my grandiflora... which isn't grand at all. I realize now that it must be a Battiscombei. I appreciate the info - thanks so much!

Carol

The first one is Thunbergia battiscombei, a vine.scrabling shrub. The 2nd is Thunbergia erecta, King's Mantle, a shrub.

Thanks for the info, Eric. You are always such a big help! Greatly appreciated (even 1.5 months later)!

Carol

Yes, me too, appreciating the help!

I especially loved telling the owners of the first one (my neighbors) the name "thunbergia bat-tis-com-bee-i", probably slaughtering the pronounciation, but saying it as though I know what I'm doing!