Scientific Name:
Eucalyptus regnans F.Muell.
Vernacular Name(s):
Giant gum; Mountain ash; stringy gum; swamp gum

Large tree; bark fibrous, forming a stocking extending to c. 1/2 way up trunk or rarely further; upper trunk and branches smooth, whitish, with bark peeling in long strips. Juvenile lvs similar to adult but opposite for 2–3 pairs, ± ovate-falcate and conspicuously asymmetric. Adult lvs with petiole 7–20 mm long; lamina 7–20 × 2–6 cm, lanceolate, falcate, bright green, coriaceous, with lateral veins diverging from midrib at 30–40°; base ± oblique; apex acuminate. Umbels in axillary pairs, each of 7 or more fls; peduncles often angular and somewhat flattened, to c. 1.5 cm long; pedicels very short. Buds to c. 10 mm long, conic to clavate, green, acute; operculum slightly < hypanthium, hemispheric, acute. Stamens white; anthers reniform. Fr. pedicellate, 6–8 × 5–7 mm, obconic or turbinate, valves 3, ± included; disc flat, level with rim of capsule or slightly sunken.

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


Flowering: Nov.–Mar.