Deciduous trees, about 10-18 m tall. Bark gray, plain with thin lenticelled branchlets, glabrous, stipular scars are prominent on the branchlets, buds grey, sericeous. Leaves simple, alternate, ovate-elliptic, lanceolate-elliptic or oblong, 12-24 × 3-10 cm across, base abruptly cuneate or rarely rounded, margin entire, apex acute or shallow acuminate, thinly coriaceous, shining glabrous above, paler dull, glabrous beneath, turning yellow before falling, lateral veins 10-15 on either side of the midrib, slightly arched towards the outer margins, reticulate veinlets very close and fine, petiole pubescent, about 1.5-3 cm long, stipules oblong, about 1.5 cm long, pubescent with grey or rusty brownish hairs, stipular scars usually about 1-2.5 cm long. Flowers bisexual, solitary, appearing with the leaves, white or cream or pale yellow, pleasantly fragrant, about 3-5 cm across, buds about 1.2 cm across, Perianth parts about 12-15, obovate-oblong or oblanceolate, apex truncate, glabrous, 2-3 x 0.5-0.8 cm across, Sepals narrow-obovate, petals scarcely narrower than the sepals. Stamens numerous, shorter than the gynoecium, carpels silky hairy, styles recurved, Gynoecium obovoid or ellipsoid, Fruiting receptacle 3-5 x 2 cm across. Fruiting carpels elliptic-ovoid, sessile, compressed, rounded near the base, with beaks near at the apex, about 8-11 x 6-7 mm across, seeds 3-4, glossy red, obovoid
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SK 2839 10 November 2020 : 8 very high resolution images.
Also could not find a match as per comparative images at Magnolia. Pl. check other species as listed at this page from Checklist of Nepal.
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References:
POWO Catalogue of Life The Plant List Ver.1.1 WCSP IPNI GBIF (High resolution specimens) Specimen 1 Specimen 2 Flora of China FOC illustration Annotated checklist of Flowering plants of Nepal Flora of Nepal Flowers of India India Biodiversity Portal IBIS Flora Plant illustrations Bhutan Biodiversity Portal
A Data Deficient species in India.
https://www.iucnredlist.org/species/193953/2292041