Justicia notha

Justicia notha C.B.Clarke, Fl. Brit. India 4: 537 1885. (Syn: Ecbolium nothum (C.B.Clarke) Kuntze);

Clarke ; stems simple glabrous, leaves sessile oblong white-setulose on the nerves beneath, bracts elliptic, sepals linear-oblong white-setulose upwards. Rostellularia simplex, Wight Ic. t. 1542 (not Justicia simplex, D. Don).
India ? ; Herb. Wight.
Stems 1 foot, slender, 4-5-angular. Leaves 1.1/2 by 1/3 in., subobtuse at both ends, transversely lineolate glabrate above. Spikes 2 by 1/2 in., terminal, solitary, dense ; bracts 1/4 by 1/8 in., setulose-ciliate on margins and midrib, otherwise glabrous. Corolla 1/3 in. Capsule 1/5 in., ellipsoid.—Wight gives no locality for this ; it is a well-charac¬terized plant, and probably Malayan.
(From The Flora of British India (1885) from IBIS Flora)

Erect herbs, rarely branched, 30-40 cm high; stems angular, scabrid. Leaves to 5 x 0.8 cm, linear-oblong, sessile, acute, glabrous. Spikes 7 x 0.7 cm, terminal, narrow, cylindric; bracts 6 x 2 mm, elliptic, acute, ciliolate. Flowers many, densely packed; calyx lobes 6 mm long, sometimes 5th lobe present; corolla lilac, 9 mm long, tube hairy at two patches near the base inside, glabrous; ovary hairy. Capsule 4 mm long, glabrous; seeds 4, rugose, brown.
Flowering and fruiting: September-December
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi from  India Biodiversity Portal)
Pls find some more literature on Justicia notha, Gymnema mohanramii, Amomum nilgiricum and Caralluma bicolor
Nice ... so many white papers !!