SOLVED: Plants of Acanthaceae, please identify

MADURAI, TAMIL NADU, India

This is raining all the times.Just to avoid and control unwanted weeds, I have introduced in my house campus, the fast growing perennials found in and around Madurai. We need not take care of them.They need very little water and enrich the soil.They disappear in Summer and sprout once again when the SouthWest Monsoon starts in June. Please identify them.

Thumbnail by JohnJebaraj Thumbnail by JohnJebaraj Thumbnail by JohnJebaraj Thumbnail by JohnJebaraj Thumbnail by JohnJebaraj
Bretten, Germany

#1 looks like Asystasia, possibly A. gangetica.
#2,3,4,5 look like Ruellia, maybe Ruellia brittoniana, syn. Ruellia malacosperma.

MADURAI, TAMIL NADU, India

To
suse Bretten, Germany,
All others who see this
The 4th species is Ruellia tuberosa. This plant produces fasciculated tuberous roots that are perennial. All these plants also produce viable seeds that are scattered through explosive mechanism.Even in Asystasia there are different variants.(white/yellow/pink)

Jj

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