Common name: Port Jackson Mallee
Eucalyptus obstans L.A.S.Johnson & K.D.Hill APNI*
Synonyms: Eucalyptus obtusiflora DC. APNI*
Description: Mallee to 4 m high; bark smooth, white, grey or green, shedding in ribbons.
Juvenile leaves disjunct, broad-lanceolate to ovate, glossy green.
Adult leaves disjunct, broad-lanceolate or ovate, 6–10 cm long, 1.5–2.5 cm wide, green, glossy, concolorous. Umbellasters 7-flowered; peduncle terete or angular, 7–16 mm long; pedicels terete, 1–5 mm long. Buds clavate, 7–10 mm long, 5–7 mm diam., scar absent; calyptra hemispherical to conical (short, often beaked), shorter than and as wide as or wider than hypanthium, minutely warty.
Fruit globose, ovoid or urceolate, 8–12 mm long, 8–11 mm diam.; disc depressed; valves enclosed.
Distribution and occurrence: Locally abundant, in mallee heath on shallow infertile sand on sandstone; from Kuringai Chase to Jervis Bay.
NSW subdivisions: CC, SC, ST
E. triflora intergrades with E. obstans where their ranges overlap.
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.