Viburnum opulus var. opulus is a shrub, to 4 m tall, stems gray-brown, smooth; winter buds green, two-scaled.
Leaves opposite, maple-leaf-shaped, 3-lobed, toothed, 4-12 cm long, tip pointed, base blunt, dark green above, paler, finely hairy below, stalks 1-2 cm, with several disk-like, flattish or concave-topped, unstalked glands near top and two small, linear stipules at base.
Flowers white, inner flowers of cluster very small, outer flowers larger about 2 cm wide; inflorescence flat topped, umbrella-like; blooms May.
Fruit red, fleshy, becoming translucent, about 1 cm wide, bird dispersed, persistent into winter.
Wetland status: NL.
Frequency in NYC: Infrequent.
Origin: Europe, N. Africa, N. Asia.
Habitat: Planted or escaped. Apparently shade tolerant and tolerant of occasional flooding.
Notes: Very similar to V. trilobum (V. opulus var. americanum, (American cranberry bush) except for disk-like leaf stalk glands. Apparently subject to stem blight in warm, humid climates (Dirr 1990; Rehder 1986).