Flora of North America species comparison

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Eucalyptus viminalis

Eucalyptus citriodora

manna gum, ribbon gum

lemon-scented gum
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 35 m; trunk golden becoming tan, straight, slender, graceful, smooth; bark shed in irregular pieces.
Leaves

petiole 1–1.5 cm;

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

lemon-scented;

petiole 1–2 cm;

blade green, lanceolate, often falcate, 10–20 × 1–2 cm.
Inflorescences

usually 3-flowered, umbels.

3–5-flowered, umbels in panicles.
Peduncles

to ca. 1 cm.

terete, 1–1.5 cm.
Flowers

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

calyptra conic to rounded or, rarely, rostrate;

stamens white.

hypanthium hemispheric, 5–6 mm, length more than calyptra;

calyptra mostly rostrate;

stamens white.
Capsules

± hemispheric, 5–10 mm, not glaucous;

valves 3 or 4, exserted.

urn-shaped, to 15 mm, not glaucous;

valves 3 or 4, included.
2n

= 22, 90.

= 22, 44.

Eucalyptus viminalis

Eucalyptus citriodora
Phenology Flowering summer, fall. Flowering winter–spring.
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; e Australia [Introduced in North America]
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 citriodora is often treated as Corymbia citriodora; it is found only in southern coastal and urban areas and is commonly cultivated.

(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. cladocalyx, E. conferruminata, E. coolabah, E. globulus, E. grandis, E. mannifera, E. polyanthemos, E. pulchella, E. robusta, E. sideroxylon, E. tereticornis, E. torelliana, E. viminalis
Synonyms Corymbia citriodora, E. maculata var. citriodora
Name authority Labillardière: Nov. Holl. Pl. 2: 12, plate 151. (1806) Hooker in T. L. Mitchell: J. Exped. Trop. Australia, 235. (1848)
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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