I think this may be one for Lila. Seen 3 years ago in Ecuador. I saw this shrub on Isla de la Plata. Ecuador. Part of Machalilla National Park. A shrub with round ball seed pods and glorious green square stems. I have written to 2 botanists who specialise in Ecuador flora, but not received any reply. I have worked very hard to try and id this myself. ..but I am not a botanist, just a keen amateur. I loved those green square stems so interesting To me the globose /spherical heads of flowers on stalks remind me of a 3 shrubs/trees. Button bush ..............Cephalanthus...... ..............in Rubiaceae...however leaves always seem to be opposite. Paper mulberry.........Broussonetia......................in Moraceae.....leaves are alternate. London Plane tree ...Platanus x hispanicain .... in Platanaceae..I discounted these as they are just North hemisphere. Broussonetia so far seems to be leading in the right direction. In i naturalist I found Broussonetia kazinoki...in Ecuador. But there is very little on www about it. Broussonetia kazinoki ยท iNaturalist Ecuador Someone in the world will surely recognise my mystery shrub/tree. Any help would be much appreciated.
Broussonetia with immature fruit was my first thought; from eastern Asia but widely cultivated and locally naturalised in subtropical regions.
That was also my first thought. But...I cannot find any with square stems. Mystery plant seems to have glands on the leaf axils. I really want to be sure I label my pics accurately.