Berberis jaeschkeana - Red-Stem Barberry

Red-Stem Barberry is a shrub usually about 1 m tall, deciduous. Stems are stout, at first slightly reddish, yellow-brown at maturity, angular; internodes 5-10 mm long. Spines are 3-fid, 1-1.5 cm long. Leaves are 1-2 cm long, 5-8 mm broad, oblong-elliptic, generally green on both sides, net-veined with open venation, usually 2-5 spinose-serrulate at margin, somewhat thin, stalkless or nearly so. Yellow flowers are borne in 3-5 flowered flat-topped clusters,, 2-4 cm long, including 1-2.5 cm long peduncle. Flowers are 0.9-1.2 cm across. stalks 6-9 mm long, hairless. Outer and middle sepals are 4-6 mm long, inner 7-8 mm long, obovate. Petals are slightly shorter or nearly as long as the inner sepals, tip entire, base somewhat clawed. Stamens are 4 mm long with truncate apex. Berries are oblong-ovoid, red, epruinose, 8-10 mm long, 5-6 mm broad, inconspicuously stylose. Red-Stem Barberry is found in the Himalayas, from Kashmir to Nepal), at altitudes of 3100-3500 m. Flowering: May-June.