Common name: Tumbledown Red Gum
Eucalyptus dealbata A.Cunn. ex Schauer APNI*
Synonyms: Eucalyptus tereticornis var. dealbata (A.Cunn. & Schauer) H.Deane & Maiden APNI*
Description: Tree to 15 m high; bark smooth, white and grey or grey-brown, shedding in large plates or flakes.
Juvenile leaves disjunct, ovate to ± orbiculate, glaucous.
Adult leaves disjunct, lanceolate or broad-lanceolate, 7–12 cm long, 1.5–3.5 cm wide, grey-green or glaucous, dull, concolorous. Umbellasters 7-flowered (rarely 11-flowered); peduncle terete or 4-angled, 7–12 mm long; pedicels terete, 1–5 mm long. Buds ovoid, glaucous, 7–10 mm long, 3–4 mm diam., scar present; calyptra conical or elongate acute (obtuse), longer than and as wide as hypanthium.
Fruit hemispherical or cylindrical, 4–6 mm long, 4–7 mm diam.; disc flat or raised; valves exserted.
Distribution and occurrence: Scattered and locally dominant, in grassy woodland on skeletal soils usually on basic rocks.
NSW subdivisions: NC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP
Other Australian states: Qld Vic.
Complex intergrading populations occur with E. dwyeri on the NWS and at the southern end of the range, extending south beyond the range of E. dwyeri into Vic.; these populations show characters of both E. dwyeri and E. dealbata. Large-scale intergradation occurs with E. blakelyi on the western edge of the Tablelands and on the Western Slopes of N.S.W., south to around Cowra.
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.