''Cassinia copensis'' 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 ...
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 els ...
to eastern Australia. It is an erect, multi-stemmed shrub with aromatic, cylindrical leaves, and
heads of creamy-white flowers arranged in a flattened
corymb
Corymb is a botanical term for an inflorescence with the flowers growing in such a fashion that the outermost are borne on longer pedicels than the inner, bringing all flowers up to a common level. A corymb has a flattish top with a superficia ...
.
Description
''Cassinia copensis'' is an erect, multi-stemmed shrub that typically grows to a height of and is strongly aromatic. The leaves are cylindrical long and about wide with the edges rolled under. The upper surface of the leaves is sticky with a sunken midrib and the lower surface is densely covered woolly white hairs. The flower heads are about long, each with five or six creamy-white
florets
This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary o ...
surrounded by overlapping, opaque
involucral bracts
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, ...
. The heads are arranged in a flattened corymb of one hundred to two hundred florets. Flowering occurs in December and the
achenes
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 op ...
are about long with a
pappus of about twenty bristles long.
Taxonomy and naming
''Cassinia copensis'' was first formally described in 2004 by
Anthony Edward Orchard in ''
Australian Systematic Botany
''Australian Systematic Botany'' is an international peer-reviewed scientific journal published by CSIRO Publishing. It is devoted to publishing original research, and sometimes review articles, on topics related to systematic botany, such as bi ...
'' from specimens he collected near Copes Creek on the road between
Bundarra
Bundarra is a small town on the Northern Tablelands of New South Wales, Australia. The town is located on Thunderbolts Way and on the banks of the Gwydir River, in the Uralla Shire local government area, from the state capital, Sydney. At th ...
and
Inverell
Inverell is a large town in northern New South Wales, Australia, situated on the Macintyre River, close to the Queensland border. It is also the centre of Inverell Shire. Inverell is located on the Gwydir Highway on the western slopes of the ...
in 2004.
Distribution and habitat
This species of ''Cassinia'' grows in forest and woodland in the watershed of Copes Creek in New South Wales and near
Wallangarra
Wallangarra is a rural town and locality in the Southern Downs Region, Queensland, Australia on the border with New South Wales. In the , the locality of Wallangarra had a population of 468 people.
It is the third-most southerly town in Queens ...
in Queensland, near the border with New South Wales.
References
{{Taxonbar, from=Q15560898
copensis
Asterales of Australia
Flora of New South Wales
Flora of Queensland
Plants described in 2004