Description
Key Characters:
Growth Form:
Shrubs or small trees 3–5(–10) m tall, essentially glabrous throughout.
Stems:
Roots:
Leaves:
Leaves compound.
Opposite.
Leaflets usually 5–7, lowest ones often trifoliate, lateral ones reduced, ovate, lanceolate, oblanceolate, or elliptic–oblong, 3.5–9 cm long, 1.1–3 cm wide.
Surfaces often pubescent, especially on midrib on lower surfaces and petioles.
Margins serrate.
Petiolate.
Flowers:
Flowers in corymbiform cymes 6–20 cm in diameter, in basically cymose inflorescences.
Flowers bisexual (perfect).
Corolla actinomorphic, rotate, 3–5-lobed, corolla white, the lobes 2–3 mm long.
Stamens 5; anthers dithecal, opening by longitudinal slits.
Ovary inferior; ovule placentation axile, pendulous, anatropous; style 1.
Fruit:
Mature fruit purplish black; 5–8 mm in diameter.
Seeds with oily; fleshy endosperm.
Ploidy:
2n = 38
Habitat:
Commonly cultivated and sparingly naturalized or escaping in cool; mesic to wet areas.
Elevation Range: