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Eucalyptus saligna

Sm. (1797)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Myrtales Family: Myrtaceae Genus: Eucalyptus

blue gum, flooded gum, saligna eucalyptus, Sydney blue gum

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Description

Key Characters:

Growth Form: Trees 30–55 m tall.

Stems: Bark white to bluish gray, smooth throughout, or rough and flaky from base of trunk up to 4 m.

Roots:

Leaves: Leaves simple. Adult Alternate. Blades lanceolate, 9–17 cm long, 2–3 cm wide. Apex acuminate. Blades discolorous. Margins entire. Petioles 15–25 mm long. Stipules vestigial or absent.

Flowers: Flowers 7–11 in axillary, simple umbels, peduncles 4–18 mm long, pedicels 0–3 mm long. buds fusiform to subovoid, 5–7 mm long, 3–4 mm wide. Flowers bisexual (perfect), actinomorphic. Calyx modified into an operculum; operculum conical. Stamens numerous, in several whorls; anthers dithecal. Ovary inferior; ovule placentation axile.

Fruit: Fruit cylindrical; campanulate; or subpyriform; 5–8 mm long; 4–7 mm wide; valves 3–4; exserted; out–curved. Seeds numerous.

Ploidy: 2n = 22

Habitat: Extensively planted on Kaua'i; O'ahu; Molokai; Maui; and Hawai'i; and regenerating from seed in these areas.

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized
O'ahu Only found in cultivation
Molokai Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents

Wind
Forestry

Pollinators

Bibliography

Name Published In: Trans. Linn. Soc. London 3: 285 (1797)

Other References

Wagner et al. 1990:958 (K, O, Mo, M, H); Staples & Herbst 2005:420 (KEY), 422 (DESCR); Note: change to O?, no nat. spms., Apr 2025

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Eucalyptus saligna Hakalau HUMAN_OBSERVATION Friday, J.B. Hawaii 10/21/2002
2 Eucalyptus saligna Hakalau; experimental mixed species stand HUMAN_OBSERVATION Friday, J.B. Hawaii 10/21/2002
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