Berberis angulosa

Spiny deciduous shrub about 1.5-2 m tall. Stem dark brown, stout, rigid, markedly sulcate, strongly terete or angled, conspicuously hairy, branches leafy, young shoots yellowish brown, puberulous, internodes 1.5-2 cm long, spines simple, slender, 3-5 fid, about 1-2.5 cm long. Leaves obovate or oblanceolate, 1-2.5 x 0.8-2 cm across, base linear cuneate, margin spinulose, apex mucronate and spinulose, chartaceous, coriaceous, dark green, glabrous above, paler puberulous beneath, inconspicuously veins, petiole sessile. Inflorescence solitary flowered, peduncles about 1-2 cm long. Flowers bisexual, yellow, fragrant, usually solitary rather large, about 10-15 mm across, pedicels about 10-25 mm long, bracts linear, apex acuminate, sepals 6, in 2 series, outer series smallest and inner series largest, outer series ovate, apex obtuse, about 5 x 3 mm across, inner series longer, about 7.5 x 4.5 mm across, petals 6 in 2 series, imbricate, obovate, apex obtuse or rounded, about 7-8 x 5-6 mm across, Fruits are several seeded berries, subglobose or ellipsoid, glabrous, red when ripe, about 10-12 x 7-10 mm across, style short or absent. Seeds many.

Berberis ulicina Hook. f. & Thomson  ??

This is I think Berberis angulosa Wall. ex Hook. f. & Thomson.

References:

Catalogue of Life  The Plant List Ver.1.1  IPNI
 GBIF (with type specimen) BSI Flora of India  Flora of China 
Annotated checklist of Flowering plants of Nepal Tropicos  Flowers of India  India Biodiversity Portal  PFAF  Practical Plants  ICIMOD