Nomenclature
Scientific Name:
Eucalyptus ovata Labill., Nov. Holl. Pl. 2, 13 (1806)
Vernacular Name(s):
black gum; swamp gum
 Description

Medium-sized or large tree; bark persistent on lower part of trunk, smooth and grey on upper trunk and main branches. Juvenile lvs opposite at first, petiolate, ovate to orbicular, undulate; base broad and symmetric. Adult lvs with petiole 1–2 cm long; lamina 6–15 × 1.3–4.2 cm, lanceolate-elliptic to ovate-lanceolate, coriaceous, undulate, with lateral veins diverging at 30–50° from midrib; base symmetric; apex acute to acuminate. Umbels axillary, of 3–7 fls; peduncles 6–10 mm long, terete or subterete; pedicels < 3 mm long. Buds 6–7 mm long, diamond-shaped or broad-ellipsoid, green; operculum apiculate to conic, = or slightly < hypanthium. Stamens white; anthers oblong. Fr. shortly pedicellate, 4–6 × 5–6 mm, obconic with truncate apex; valves 3–4, enclosed or almost level with disc; disc rather narrow, flat or slightly convex.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

 Biostatus
Exotic
 Phenology

Flowering: Jul.–Mar.

 Bibliography
Labillardière, J.J.H. de 1806–1807: Novae Hollandiae Plantarum Specimen. Vol. 2. Huzard, Paris.
Wilcox, M.; Bradshaw, C.; Cameron, E. 2004: Woody plants of the Auckland Domain. Auckland Botanical Society Journal 59(1): 44–56.