Mackaya indica

Mackaya indica (Nees) Ensermu, Kew Bull. 47(4): 673 1992. (syn: Asystasia thyrsacanthus T. Anders.; Eranthemum indicum (Nees) C. B. Cl.; Odontonemella indica (Nees) Lindau; Pseuderanthemum indicum (Nees) A. M. & J. M. Cowan; Thyrsacanthus indicus Nees);

India (E-Himalaya, NE-India), Myanmar [Burma], Bhutan, Nepal as per Catalogue of Life;

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Shrub 1-2.5m. Strem erect, brown, glabrous. Leaves elliptic, 3-21 x 1.5-8cm, shortly acuminate, cuneate at base, glabrous, paler beneath, often deciduous on higher altitude plants at flowering time; petiole 0.5-6cm. Inflorescence of lax terminal and axillary racemes, those in leaf axils shorter and always solitary; racemes 1-19cm, flowers usually in opposite pairs, internodes up to 1.5cm below, less above; rhachis glabrous or puberulent; pedicles 0-5mm. Bracts linear-triangular, c 2mm. Calyx c 4mm, puberulent, lobes lanceolate, acuminate. Corolla white or pink with darker red veins, 2.5-3cm, finely glandular-pubescent, tube ventricose from near base, 5-lobed but weakly 2-lipped. Stamens included, anthers muticous. Style persistent long after the corolla falls. Capsule 2.5-3cm, glabrous.

(Attributions- A.J.C. GRIERSON & D.G. LONG. Flora of Bhutan. Published by RBGE and RGOB. 2001 from Bhutan Biodiversity Portal)
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Id requested for Gesneriaceae member. : 4 posts by 3 authors. Attachments (2)

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Thanks for sharing beautiful pictures. I think it is Acanthaceae, most probably Mackaya indica (Nees) Ensermu.

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Mackaya macrocarpa (Wall. ex Nees) Das !

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I think it is more closer to Mackaya indica (Nees) Ensermu as per Plant illustrations

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I too think it is closer to Mackaya indica

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Id of Flower -ID05032024SH3: 1 high res. image.

Asystasia macrocarpa Nees. But images insufficient.

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I am sorry, I have two more images but they are almost same. The flowers look very similar to Asystasia violacea which are found in Kaas Plateau of Maharashtra.

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References:
Catalogue of Life  The Plant List Ver.1.1  Tropicos  IPNI  BSI Flora of India  Annotated checklist of Flowering plants of Nepal  India Biodiversity Portal  Plant illustrations  Bhutan Biodiversity Portal