Eucalyptus robusta

Smith

Spec. Bot. New Holland, 39, plate 13. 1795.

Common names: Swamp mahogany
Treatment appears in FNA Volume 10.

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. Peduncles broadly flat­tened, 1.5–3 cm. Inflorescences 9–15-flowered, umbels. 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.


Phenology: Flowering summer–fall.
Habitat: Disturbed areas.
Elevation: 0–200 m.

Distribution

Introduced; Calif., Fla., e Australia.

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.

Selected References

None.

Lower Taxa

None.