Flora of North America species comparison

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Eucalyptus polyanthemos

Eucalyptus viminalis

red box, silver dollar gum

manna gum, ribbon gum
Habit Trees, to 25 m; trunk gray or tan, smooth or rough; bark rough, fibrous, and persistent, or smooth and shed in flakes or irregular strips. 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.
Leaves

petiole 1–2.5 cm;

blade grayish green, silver, or bluish green, round, elliptic, or ovate, 5–10 × 1.5–5 cm, surfaces occasionally glaucous.

petiole 1–1.5 cm;

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

5–7-flowered, terminal or axillary, umbels in panicles.

usually 3-flowered, umbels.
Peduncles

1–4 cm.

to ca. 1 cm.
Flowers

hypanthium ovoid to obconic, ca. 4 mm, length ca. 2 times calyptra;

calyptra conic to hemispheric;

stamens white;

anthers rigid on filaments, adnate, absent on outer filaments.

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

calyptra conic to rounded or, rarely, rostrate;

stamens white.
Capsules

ovoid or subpyriform, 5–6 mm, to 6 mm wide, glaucous;

valves 3 or 4, included.

± hemispheric, 5–10 mm, not glaucous;

valves 3 or 4, exserted.
2n

= 22, 90.

Eucalyptus polyanthemos

Eucalyptus viminalis
Phenology Flowering winter–spring. Flowering summer, fall.
Habitat Disturbed coastal urban areas. Disturbed urban areas.
Elevation 0–200 m. (0–700 ft.) 0–100 m. (0–300 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 polyanthemos is known from the San Joaquin Valley, Central Coast, San Francisco Bay Area, Outer South Coast Ranges, South Coast, Santa Catalina Islands, and Western Transverse Ranges.

Juvenile, adult, and transitional leaves are occasionally found in crowns of mature naturalized trees.

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

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.)
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. pulchella, E. robusta, E. sideroxylon, E. tereticornis, E. torelliana, E. viminalis
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
Name authority Schauer in W. G. Walpers: Repert. Bot. Syst. 2: 924. (1843) Labillardière: Nov. Holl. Pl. 2: 12, plate 151. (1806)
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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