Siphocranion macranthum (Hook.f.) C.Y.Wu, Acta Phytotax. Sin. 8: 56 (1959) (syn: Hancea hemsleyana H.Lév. ; Hancea prainiana H.Lév. ; Isodon macranthus (Hook.f.) KudôIsodon macranthus var. prainianus (H.Lév.) Kudô ; Plectranthus macranthus Hook.f.Plectranthus prainianus (H.Lév.) Dunn ; Rabdosia macrantha (Hook.f.) H.HaraSiphocranion macranthum var. microphyllum C.Y.Wu ; Siphocranion macranthum var. prainianum (H.Lév.) C.Y.Wu & H.W.Li);
E. Himalaya to S. China: Assam, China South-Central, China Southeast, East Himalaya, Myanmar, Tibet, Vietnam as per POWO;

Stems 30-60cm, tomentose, glabrescent below. Leaves ovate to elliptic, 5-8.5 x 2.8-5.2cm, base cuneate or rounded, apex acute to acuminate, margins serrate, both surfaces tomentose on veins, sparsely tomentose elsewhere; petiole 0.5-4cm. Inflorescence 8-18cm, whorls 2 flowered; pedicels 4-5mm. Bracts ovate acuminate,3-5mm long. Calyx c 4mm,glandular-puberulent and with scattered sessile glands; upper lip c 2mm with 3 subulate teeth; lower lip slightly shorter than upper and with 2 subulate teeth; fruiting calyx enlarging, up to 10mm long. Corolla pink purple,2-2.4cm;tube straight,1.5-1.8cm;upper lip c 5mm,4-lobed,lobes obtuse; lower lip subequal to upper, entire. Stamens inserted in throat, not exceeding corolla. Nutlets c 2 x 2mm.
Fl. August
(Attributions: A.C.J Grierson & D.G Long. Flora of Bhutan. Published by RBGE and RGoB. 1999 as per Bhutan Biodiversity Portal )

Please id this flowering plant: 3 images.
Found and photographed this flower at Upper Samdong area, East Sikkim. Please id this flowering plant.

Lamiaceae ???

Initially I thought it would be a member of the Lamiaceae family. Did not get any idea up to genus level.

Can it be Siphocranion macranthum (Hook.f.) C.Y.Wu as per images at
Also appears somewhat close to Isodon:

Looks like Siphocranion

I guess the ID is correct


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