Distribution: Introduced as an ornamental, occasionally escaping.
Habitat: Dry, waste ground.
Flowers: March - May
Conservation Status: Not of concern
Deciduous, upright shrub to 4 m. tall, the stems with 3-pointed spines at the nodes.
in whorls, obcordate to oblanceolate, with numerous fine, sharp teeth.
Inflorescence of bracteate, pendant racemes; perianth of 5 alternating whorls of 3 members each; outer 3 greenish-yellow, 2-3 mm. long (bracts); next 6 bright yellow, 6-8 mm. long (sepals); inner 6 bright yellow, slightly shorter, bi-lobed, oblong (petals); stamens 6, opposite the petals; style none, stigma sessile.
Berry scarlet, ellipsoid.