Barleria acanthoides

Barleria acanthoides Vahl, Symb. Bot. 1: 47 1790. (syn: Barleria noctiflora Hochst. ex A.Rich.; Barleriacanthus acanthoides (Vahl) Oerst.; Justicia acanthoides (Vahl) Willd.; Wahabia longiflora Fenzl); 

S-Libya (Tibesti), Egypt (SE-Egypt), Oman (Dhofar), Saudi Arabia (C-Saudi Arabia, Hejaz, Asir), Yemen (Aden Desert, coastal Hadhramaut, Tihama, W-Yemen), Pakistan (Karachi, Sind, Baluchistan, Pakistani Punjab), India (NW-India, Upper Gangetic plains), Ethiopia, Uganda, Kenya, Tanzania, Sudan, South Sudan, Ethiopia, Eritrea, Djibouti, Somalia, Chad, Zambia as per Catalogue of Life;
ID request..from Pakistan : 7 posts by 4 authors. Attachments (3)- one of 3 Mb. others of around 500 kb each. 
Please identify the plant. picture was captured on feb, 2017 at a scrub forest located in Punjab, Pakistan.

It is a Barleria species from Acanthaceae, can be confirmed by referring eflora of Pakistan
... or chance of any Lepidagathis ?
Thank you Sir. Yes it resembles. Can it be Berleria acanthoides?
Yes, ...,
To me also appear close to images/ high resolution specimens of Barleria acanthoides at