Tree to 12 m. Bark rough, compact, grey on at least half the trunk, then smooth and grey to grey-brown above. Juvenile leaves opposite, sessile, amplexicaul, ovate, cordate, crenulate, glaucous, discolorous. Adult leaves opposite, broadly ovate, crenulate, apiculate; lamina 3.5–6.5 cm long, 3–5.5 cm wide, glaucous, discolorous; lateral veins at 55°–65°; intramarginal vein 3–4 mm from margin; petiole absent or terete, to 6 mm long. Umbels 7–11-flowered; peduncle terete, 5–8 mm long; pedicels 2–4 mm long. Buds ovoid, rostrate, glaucous; operculum hemispherical, apiculate or rostrate, 2–4 mm long, 3–4 mm wide; hypanthium hemispherical to obconical, 3–4 mm long and wide. Fruits cylindrical, 3–4 mm long, 4–6 mm wide, glaucous at first; disc narrow, descending; valves 3 or 4, included.
Grows on flat and very gently sloping areas near watercourses, often swampy,usually in more or less pure stands in woodland.