Dianthera comata (Introduced)

Dianthera comata L., Syst. Nat. ed. 10. 1: 850 (1758) (syn: Dianthera decumbens Sw. ex Nees ; Dianthera humifusa (Sw.) J.F.Gmel. ; Ecbolium comatum (L.) Kuntze; Ecbolium havanense Kuntze ; Ecbolium moritzianum Kuntze ; Justicia acuminata (Nees) Lindau ; Justicia comata (L.) Lam.; Justicia comata Vell. ex Nees ; Justicia humifusa Sw. ; Justicia humilis Nees ; Leptostachya comata (L.) Kostel. ; Leptostachya comata var. humifusa (Sw.) Nees ; Leptostachya martiana var. hispida Nees ; Leptostachya martiana var. macrophylla Nees ; Leptostachya parviflora Nees ; Psacadocalymma comatum (L.) Bremek. ; Rhytiglossa acuminata Nees ; Rhytiglossa havanensis Nees; Stethoma comata (L.) Britton ; Thalestris graminiformis Rizzini);
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Mexico to Tropical America: Argentina Northeast, Argentina Northwest, Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Suriname, Trinidad-Tobago, Uruguay, Venezuela; Introduced: Malaya as per POWO;
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Help me to identify this plant: 2 images- 1 high res.
Date/Time:  23.05.2022
Location:  Chittagong, Bangladesh
Habitat: Wild
Plant Habit: Herb

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I think we need to wait for the flowers.

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Any ideas? I tried but failed to get any clue.

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Seems to be Acanthaceae member

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Very close to Andrographis species.

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I concur with …

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I am not sure about this being any Andrographis species. Pl. see
https://efloraofindia.com/2011/02/05/andrographis/

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Thanks a lot
https://powo.science.kew.org/names:45222-1

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I am doubtful about it.

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