Eucalyptus similis, commonly known as inland yellowjacket or Queensland yellow jacket,[2] is a species of flowering plant in the family Myrtaceae and is endemic to Queensland, Australia. It is a tree with rough bark, lance-shaped to broadly lance-shaped or sickle-shaped adult leaves, flower buds in groups of seven, white or cream-coloured flowers and cylindrical to cup-shaped or barrel-shaped fruit.
Eucalyptus similis is a tree that typically grows to a height of 8 to 14 metres (26 to 46ft)[3] and has rough, yellow to yellow-brown or red-brown bark over most of the trunk and branches. Leaves on young plants and on coppice regrowth are sometimes arranged in opposite pairs, egg-shaped, 60–130mm (2.4–5.1in) long and 30–70mm (1.2–2.8in) wide. Adult leaves are lance-shaped to broadly lance-shaped or sickle-shaped, 85–180mm (3.3–7.1in) long, 10–35mm (0.39–1.38in) wide and tapering to the petiole with the lower surface a lighter shade of green. The flowers are borne in umbels of seven in leaf axils on a peduncle14–20mm (0.55–0.79in) long, each bud on a pedicel1–8mm (0.039–0.315in) long. Mature buds are cylindrical to pear-shaped or spindle-shaped, 8–12mm (0.31–0.47in) long and 4–5mm (0.16–0.20in) wide with a conical to rounded operculum. Flowering has been observed in December and the flowers are white or cream-coloured, and the fruit is a cylindrical to cup-shaped or barrel-shaped capsule, 8–15mm (0.31–0.59in) long and 6–13mm (0.24–0.51in) wide.[2][3][4]
Eucalyptus similis was first formally described by the botanistJoseph Maiden in 1913 in the Journal and Proceedings of the Royal Society of New South Wales from samples collected by G.H. Carr from Emerald in 1908.[5][6] The specific epithet (similis) is a Latin word, referring to the similarity, in Maiden's view, to E. baileyana. E. similis is in the Eucalyptus subgenus Eudesmia and is the only non-bloodwood species likely to be confused with the yellow bloodwoods. It has very similar bark but differs fundamentally in having buds in simple axillary umbels of 7, and lacks the outer operculum, instead having four calyx teeth, and also has a single petaline operculum.[7]
E. similis often occurs with Corymbia setosa, forming a sparse canopy. Associated species in the shrub layer, which is also usually sparse, includes Lithomyrtus microphylla, Carissa lanceolata, Gastrolobium grandiflorum and Jacksonia ramosissima. Triodia pungens usually dominants the very sparse to sparse ground layer.[8]
12Slee, Andrew V.; Brooker, Murray I.H.; Duffy, Simon M.; West, Judith G.; Kodela, Phillip G. "Eucalyptus similis". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 28 January 2026.
1234Eric Anderson (2016). Plants of Central Queensland: Identification and Uses of Native and Introduced Species. CSIRO. ISBN9781486302277.
12"Eucalyptus similis". Centre for Australian National Biodiversity Research. Retrieved 29 May 2020.
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