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Eucalyptus camaldulensis Dehnh.
Family Myrtaceae
Common name: River Gum, River Red Gum

Eucalyptus camaldulensis Dehnh. APNI*

Synonyms: Eucalyptus rostrata Schltdl. APNI*

Description: Tree to 30 m high (occasionally taller); bark smooth, white, grey to red-brown, shedding in short ribbons or flakes.

Juvenile leaves disjunct, broad-lanceolate to ovate, dull grey-green.

Adult leaves disjunct, narrow-lanceolate or lanceolate, 8–30 cm long, 1–2.5 cm wide, green or grey-green, dull, concolorous. Umbellasters 7–11-flowered; peduncle terete, 7–25 mm long; pedicels terete, 5–12 mm long. Buds ovoid, 6–11 mm long, 3–6 mm diam., scar present; calyptra hemispherical and rostrate, longer than and as wide as hypanthium.

Fruit globose or ovoid, 3–5-locular, 5–7 mm long, 5–7 mm diam.; disc raised; valves exserted.


Illustration
M. Flockton

Photo © ANBG

Type
Specimen

Distribution and occurrence: Community dominant, in grassy woodland or forest on deep rich alluvial soils adjacent to large permanent water bodies.
NSW subdivisions: NC, NWS, CWS, SWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. W.A. S.A. N.T.
AVH map***

A recent revision of Eucalyptus camaldulensis has recognised a number of subspecies within the species. Three of these subspecies occur within New South Wales: subsp. camaldulensis - Trees with a rough, persistent stocking of bark at the base of the trunk and buds with a distinctly beaked operculum. Leaf venation is sparsely to moderately reticulate. This is the most widespread subspecies in the state and is found throughout the Murray-Darling basin. subsp. arida - Trees with smooth, variegated bark throughout and buds evenly tapering to an obtuse point. Leaf venation is sparsely to moderately reticulate. In New South wales, this subspecies is mostly confined to the western part of the North Far Western Plains. subsp. acuta - Trees with smooth, white to grey bark throughout and buds tapering to an acute to almost acuminate tip. Leaf venation is densely reticulate. In New South wales, this subspecies is mostly confined to an area north from Narrabri.

Text by K. Hill
Taxon concept: Flora of NSW 2 (1991)


APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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