Flora of North America species comparison

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Eucalyptus robusta

swamp mahogany
Habit Trees, to 30 m; trunk reddish brown, rough; bark persistent, deeply furrowed, soft, spongy, fibrous, rough on small branches.
Leaves

petiole 1.5–3 cm, slightly flattened;

blade lighter green abaxially, broadly lanceolate, 8.5–17 × 2.5–7 cm, surfaces glossy.
Inflorescences

9–15-flowered, umbels.
Peduncles

broadly flattened, 1.5–3 cm.
Flowers

hypanthium obconic to pyriform, 6–7 mm, length ± equaling calyptra;

calyptra conic to rostrate, 10–12 mm;

stamens white.
Capsules

cylindric, 10–18 mm, not glaucous;

valves 3 or 4, fused after dehiscence, ± level with apex or included and joined across orifice.

Eucalyptus robusta
Phenology Flowering summer–fall.
Habitat Disturbed areas.
Elevation 0–200 m. (0–700 ft.)
Distribution
from FNA
CA; FL; e Australia [Introduced in North America]
[BONAP county map]
Discussion

Eucalyptus robusta is known from Los Angeles, Monterey, Orange, San Diego, San Luis Obispo, Santa Barbara, Santa Cruz, and Ventura counties in California, and from Charlotte, Lee, Martin, and St. Lucie counties in Florida.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 10.
Parent taxa 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. sideroxylon, E. tereticornis, E. torelliana, E. viminalis
Name authority Smith: Spec. Bot. New Holland, 39, plate 13. (1795)
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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