Flora of North America species comparison

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Eucalyptus polyanthemos

Eucalyptus mannifera

red box, silver dollar gum

mottled or red spotted or brittle 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 20 m; trunk white and grayish white, mottled, smooth, powdery to touch; bark shedding.
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.

(juvenile alternate, petiolate);

petiole 0.5–2.2 cm;

blade green to bluish green or, occasionally, grayish green, narrowly lanceolate to lanceolate or falcate, 7–18.5 × 1–3 cm, surfaces dull.
Inflorescences

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

ca. 7-flowered;

umbels.
Peduncles

1–4 cm.

0.5–-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 obconic, 2–4 mm, length ± equaling calyptra;

calyptra conic to rounded, 2–4 mm;

stamens white.
Capsules

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

valves 3 or 4, included.

hemispheric to obconic, 3–5 mm, not glaucous;

valves 3, exserted.

Eucalyptus polyanthemos

Eucalyptus mannifera
Phenology Flowering winter–spring. Flowering spring–summer.
Habitat Disturbed coastal urban areas. Disturbed coastal and urban 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; se Australia [Introduced in North America]
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 mannifera is known from the Central Coast, San Francisco Bay area, and Outer South Coast 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. polyanthemos, E. pulchella, E. robusta, E. sideroxylon, E. tereticornis, E. torelliana, E. viminalis
Synonyms E. maculosa
Name authority Schauer in W. G. Walpers: Repert. Bot. Syst. 2: 924. (1843) Mudie: Trans. Med.-Bot. Soc. London 1(3): 24. (1834)
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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