Flora of North America species comparison

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Eucalyptus viminalis

Eucalyptus globulus

manna gum, ribbon gum

blue gum, bluegum eucalyptus, Tasmanian bluegum
Habit Trees, to 50 m; trunk whitish, gray, or tan, straight, ± smooth; bark usually shed in relatively long, narrow, irregular strips distally, sometimes persistent toward trunk base. Trees, to 60 m; trunk bluish gray, straight, smooth; bark shed in irregular strips distally, sometimes persistent toward trunk base; twigs ± square or winged.
Leaves

petiole 1–1.5 cm;

blade green, lanceolate to narrowly lanceolate, 10–15 × 1–2.5 cm.

mostly strongly aromatic;

petiole 1.5–2.5 cm, flattened;

blade green, usually narrowly lanceolate, often sickle-shaped, 10–30 × 2.5–4 cm.
Inflorescences

usually 3-flowered, umbels.

flowers solitary, sessile or subsessile.
Peduncles

to ca. 1 cm.

0.1–1 cm.
Flowers

hypanthium ovoid, 2–3 mm, length ± equaling calyptra;

calyptra conic to rounded or, rarely, rostrate;

stamens white.

hypanthium obconic, ± 4-ribbed, to 20 mm, glaucous;

calyptra flattened-hemispheric, with central knob, warty, glaucous;

stamens creamy white.
Capsules

± hemispheric, 5–10 mm, not glaucous;

valves 3 or 4, exserted.

hemispheric or obconic, ± 4-ribbed, 5–21 mm, glaucous, thickened, warty, rim wide;

valves 3–5, ± level with apex or exserted.
2n

= 22, 90.

= 22.

Eucalyptus viminalis

Eucalyptus globulus
Phenology Flowering summer, fall. Flowering fall–winter.
Habitat Disturbed urban areas. Disturbed areas.
Elevation 0–100 m. (0–300 ft.) 0–300 m. (0–1000 ft.)
Distribution
from FNA
CA; se Australia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; se Australia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
Discussion

Eucalyptus viminalis is known from the Outer North Coast Ranges, Central Coast, Outer South Coast Ranges, South Coast, and Peninsular Ranges.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Eucalyptus globulus is known from the Outer North Coast Ranges, Great Central Valley, and central-western and southwestern California.

Eucalyptus globulus is commonly cultivated in warm regions of the world for its fast-growing timber and for paper pulp. The species is the tallest angiosperm in North America, easily recognized by the large, solitary flowers and fruit.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 10. FNA vol. 10.
Parent taxa Myrtaceae > Eucalyptus Myrtaceae > Eucalyptus
Sibling taxa
E. camaldulensis, E. citriodora, E. cladocalyx, E. conferruminata, E. coolabah, E. globulus, E. grandis, E. mannifera, E. polyanthemos, E. pulchella, E. robusta, E. sideroxylon, E. tereticornis, E. torelliana
E. camaldulensis, E. citriodora, E. cladocalyx, E. conferruminata, E. coolabah, E. grandis, E. mannifera, E. polyanthemos, E. pulchella, E. robusta, E. sideroxylon, E. tereticornis, E. torelliana, E. viminalis
Name authority Labillardière: Nov. Holl. Pl. 2: 12, plate 151. (1806) Labillardière: Voy. Rech. Pérouse 1: 153, plate 13. (1800)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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