Scrophulariaceae member

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Flora-Australia-60: spreading shrub of Myoporaceae.
striking, but ...: I am confused... mostly because in the picture I can see lines and lines of these flowers and buds... very pretty, but .. how does it grow? just in a linear fashion... ?
or is it a bush with very long branches??? never seen this in real life.. so pardon my confusion...
do you have a picture of the whole plant/bush? please...
Garden Plant for ID : 310112 : Kenya : AK-1: Picture taken in Jan,2009 during my visit to Kenya.
A small, cultivated herb, found in the Botanical Garden of Nairobi Museum, Nairobi.   
Some Mint species?
Sorry for the bad picture quality.
Looks like Scrophulariaceae member. May be Lindernia sp.

Kas week : Lobelia alsinoides SMP: A species found near water stores. Please validate
Lobelia alsinoides

I wonder if this is Lobelia since the leaves are (Alternate in Lobelia) opposite suggesting this to be a Scroph. More views can resolve the ID.