Flora of North America species comparison

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Eucalyptus viminalis

Eucalyptus coolabah

manna gum, ribbon gum

coolibah
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 10 m; trunk grayto tan, rough; bark fissured.
Leaves

petiole 1–1.5 cm;

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

petiole 1.4–2 cm;

blade dull bluish gray-green, narrowly lanceolate, 8–17 × 0.8–2.5 cm, surfaces rarely glaucous.
Inflorescences

usually 3-flowered, umbels.

7-flowered, terminal, umbels in panicles.
Peduncles

to ca. 1 cm.

0.5–2.8 cm.
Flowers

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

calyptra conic to rounded or, rarely, rostrate;

stamens white.

hypanthium obconic, ± 2 mm, length ± equaling calyptra;

calyptra obconic, apiculate;

stamens white.
Capsules

± hemispheric, 5–10 mm, not glaucous;

valves 3 or 4, exserted.

hemispheric, 3–5 mm, to 6 mm wide;

valves 3 or 4, exserted.
2n

= 22, 90.

Eucalyptus viminalis

Eucalyptus coolabah
Phenology Flowering summer, fall. Flowering spring–summer.
Habitat Disturbed urban areas. Urban ephemeral water­ways.
Elevation 0–100 m. (0–300 ft.) 300–400 m. (1000–1300 ft.)
Distribution
from FNA
CA; se Australia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; n 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 coolabah is an escape along the occasionally flooded Salt River and its tributaries near Phoenix. It is similar to E. microtheca F. Mueller and commonly sold under that name.

(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. globulus, 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) Blakely & Jacobs in W. F. Blakely: Key Eucalypts, 245. (1934)
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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