Common name: Ridge-fruited Mallee
Eucalyptus costata Behr & F.Muell. ex F.Muell. APNI*
Description: Mallee to 5 m high; bark smooth, grey or grey-brown, shedding in long ribbons.
Juvenile leaves disjunct, elliptic to ovate, dull grey-green to dull green. Adult leaves disjunct, lanceolate or broad-lanceolate, 6–11 cm long, 1.5–2.5 cm wide, grey-green, glossy or semi-glossy, concolorous.
Umbellasters 3–7-flowered; peduncle narrowly flattened or angular, 13–20 mm long; pedicels terete, 3–5 mm long. Buds cylindrical or fusiform, 12–20 mm long, 6–8 mm diam., scar present; calyptra conical (often beaked), at least as long and as wide as hypanthium, usually ribbed.
Fruit cylindrical or urceolate, usually ribbed, 8–13 mm long, 7–11 mm diam.; disc depressed; valves enclosed.
Distribution and occurrence: Locally frequent, in mallee shrubland on red aeolian sands; Koraleigh district and west along the Murray R.
NSW subdivisions: SWP, SFWP
Other Australian states: Vic. S.A.
Text by K. Hill
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.