''Olearia orientalis'' is a species of flowering plant in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

and is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to central eastern Queensland. It is a bushy shrub with egg-shaped leaves, the narrower end towards the base, and white and yellow daisy flowers.

Description

''Olearia orientalis'' is a bushy shrub that typically grows to a height of , its young branchlets often sticky. The leaves are alternately along the branchlets, egg-shaped with the narrower end towards the base, long and wide with two to four pairs of teeth on the edges. The heads or daisy-like "flowers" are arranged singly on the ends of branchlets and are wide on a peduncle long. Each head has 14 to 20 white ray florets, the

ligule A ligule (from "strap", variant of ''lingula'', from ''lingua'' "tongue") is a thin outgrowth at the junction of leaf and leafstalk of many grasses (Poaceae) and sedges. A ligule is also a strap-shaped extension of the corolla, such as that of a ...

s long, surrounding 16 to 26 yellow disc florets. Flowering occurs in most months and the

achene An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not ope ...

s are flattened, long, the pappus with 31 to 40 bristles in two rows.

Taxonomy and naming

''Olearia orientalis'' was first formally described in 2017 by

Anthony Bean Anthony Russell Bean (born 1957) is an Australian botanist who works at the Queensland Herbarium and Brisbane Botanic Gardens, Mount Coot-tha. Since 1982, he has led the Eucalyptus Study Group of the Society for Growing Australian Plants. Care ...

and

Peter Craig Jobson Peter may refer to: People * List of people named Peter, a list of people and fictional characters with the given name * Peter (given name) ** Saint Peter (died 60s), apostle of Jesus, leader of the early Christian Church * Peter (surname), a su ...

in the journal '' Austrobaileya'' from specimens collected in the

Port Curtis Port Curtis is a suburb of Rockhampton in the Rockhampton Region, Queensland, Australia. In the , Port Curtis had a population of 281 people. Geography The Fitzroy River bounds the suburb to the north-east. Gavial Creek, a tributary of the ...

district in 1994. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

(''orientalis'') means "eastern", referring to the distribution of this species.

Distribution and habitat

This olearia grows in woodland on

serpentinite Serpentinite is a rock composed predominantly of one or more serpentine group minerals, the name originating from the similarity of the texture of the rock to that of the skin of a snake. Serpentinite has been called ''serpentine'' or ''ser ...

hills and ridges near

Rockhampton Rockhampton is a city in the Rockhampton Region of Central Queensland, Australia. The population of Rockhampton in June 2021 was 79,967, Estimated resident population, 30 June 2018. making it the fourth-largest city in the state outside of the ...

in eastern Queensland.

Conservation status

''Olearia orietalis'' is listed as "endangered" under the Queensland Government ''

Nature Conservation Act 1992 The ''Nature Conservation Act 1992'' is an act of the Parliament of Queensland, Australia, that, together with subordinate legislation, provides for the legislative protection of Queensland's threatened biota. As originally published, it prov ...

''.

References

{{Taxonbar, from=Q65944407 orientalis Flora of Queensland Plants described in 2017