Stick Like Growth On Mandevilla Plants

Question

Mature plants, still flowering, have started to get these stick like growth on them. Not thin with leaves like the fines they shoot out, but thick appendeges.

• 

Answer 1

Those are seed pods! You can try to propagate them from seed, but cuttings or tubers would be a better choice.

https://www.gardeningknowhow.com/ornamental/vines/mandevilla/mandevilla-propagation.htm

https://www.gardeningknowhow.com/ornamental/vines/mandevilla/mandevilla-plant-tubers.htm