Eucalyptus siderophloia— Grey Ironbark—MYRTACEAE

Eucalyptus siderophloia

Link to Images on Flickr.

Habitat—In Wet Forest and Littoral Rainforest on soils of moderate fertility.

Distribution— North from Sydney in New South Wales and into Queensland.

Description—Tree to 45 m high; bark persistent throughout, grey–black.

Local occurrences

Barrington Tops National Park, Black Head Flora Park, Brimbin Nature Reserve, Bulahdelah State Forest, Cattai Wetlands, Coorabakh National Park, Diamond Beach, Harrington, Khappinghat Nature Reserve, Kiwarrak State Forest, Kiwarrak State Forest (Old Bar Section), Myall Lakes National Park, Queen Elizabeth Park Taree, Raintrees Diamond Beach, Red Head, Talawahl Nature Reserve, Talawahl State Conservation Area and Wallingat National Park

Leaves.—Simple, entire, alternate with obvious oil dots. Juvenile leaves disjunct, ovate to broad–lanceolate, dull green. Adult leaves disjunct, lanceolate or broad–lanceolate, 8 to 15 cm long, 1 to 2 cm wide, green or grey–green, dull, concolorous.

Eucalyptus siderophloia
Eucalyptus siderophloia

Inflorescence.— Conflorescence compound; umbellasters 7–flowered; peduncle narrowly flattened or angular, 6 to 12 mm long; pedicels terete, 2 to 4 mm long. Buds fusiform (short or long), 5 to 8 mm long, 3 to 4 mm diam., scar present; calyptra conical, elongate–acute or rostrate, shorter than or as long as and narrower than hypanthium. All stamens fertile.


Eucalyptus siderophloia
Eucalyptus siderophloia

Fruit.— Conical, 5 to 8 mm long, 5 to 7 mm diam.; disc depressed; valves enclosed or rim–level or exserted.