Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Eucalyptus polyanthemos

Eucalyptus grandis

red box, silver dollar gum

flooded gum, grand eucalyptus, rose 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 55 m; trunk white, grayish white, or bluish gray, smooth; bark sparse, rough and flaky at 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 1–2.2 cm;

blade grayish green or yellow-green, lighter abaxially, lanceolate to elliptic, often falcate, 9.5–16 × 2–5 cm.
Inflorescences

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

7–11-flowered, umbels.
Peduncles

1–4 cm.

1–1.5 cm, 3–4 mm wide apically.
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 obconic or campanulate, 3–4 mm, length only slightly greater than calyptra;

calyptra conic or slightly rostrate, 3–4 mm;

stamens white.
Capsules

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

valves 3 or 4, included.

subpyriform, 5–8 mm, not glaucous;

valves 4 or 5, exserted, incurved.
2n

= 22.

Eucalyptus polyanthemos

Eucalyptus grandis
Phenology Flowering winter–spring. Flowering fall.
Habitat Disturbed coastal urban areas. Disturbed areas.
Elevation 0–200 m. (0–700 ft.) 0–200 m. (0–700 ft.)
Distribution
from FNA
CA; se Australia [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; FL; e Australia [Introduced in North America]
[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 grandis is known from Los Angeles, Monterey, Orange, San Diego, San Luis Obispo, Santa Barbara, Santa Cruz, and Ventura counties in California, and from Glades, Hendry, Palm Beach, and Pinellas counties in Florida.

(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. mannifera, E. polyanthemos, E. pulchella, E. robusta, E. sideroxylon, E. tereticornis, E. torelliana, E. viminalis
Name authority Schauer in W. G. Walpers: Repert. Bot. Syst. 2: 924. (1843) W. Mill ex Maiden: J. Proc. Roy. Soc. New S. Wales 52: 501. (1919)
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America

The species comparison tool is brought to you by:
Northwest Wildflowers