Ipomoea turbinata synonimous to I. muricata or moonflower vine. It is said to have
medicinal and food uses in China and Sri Lanka ( Reference)
unless the parts under the soil is also removed. It is Chromolaena odorata, or 'hagonoy' in local dialect.
These are the flowers of a wild species of Pachirrhizus, with beautiful purple pea-like structures.
It is vigouously viny and covers other shorter species. The very young pods are eaten by
some northern regions of the Philippines. The edible common yambean or
jicama, locally known as 'singkamas' is the Pachirrhizus erosus.
I would like to post this in GBBD of Maydreams Garden as they are also blooming in the vicinity of my domestic garden, let's say they are blooming in the bigger country garden. The problem is when they enter my domestic garden!