''Cassinia scabrida'' commonly known as rough cassinia, is a species of flowering plant in the family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

and is

endemic Endemism is the state of a species being found only 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 foun ...

to forests with rocky granite outcrops in north-eastern Victoria, Australia. It is an erect shrub with hairy foliage, linear leaves, and large numbers of greenish-white heads of flowers arranged in dense

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 superficial re ...

Description

''Cassinia scabrida'' is an erect shrub that typically grows to a height of up to , its branches covered with cottony and

glandular A gland is a cell or an organ in an animal's body that produces and secretes different substances that the organism needs, either into the bloodstream or into a body cavity or outer surface. A gland may also function to remove unwanted substance ...

hairs. The leaves are linear, long and wide, the edges rolled under. The flower heads are long, pale greenish white, each head with four or five 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 ...

surrounded by ten to fifteen overlapping

involucral bracts In botany, a bract is a modified or specialized leaf, associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves in size, color, shape or texture. They also look ...

. The heads are arranged in groups of hundred to thousands in corymbs in diameter. Flowering occurs from November to February 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 open ...

are long, usually lacking a pappus.

Taxonomy and naming

''Cassinia scabrida'' was first formally described in 2004 by

Anthony Edward Orchard Anthony Orchard (born 22 May 1946) is a retired botanist who worked at the State Herbarium of South Australia. His main interests were the study of the genera Rosaceae, Haloragaceae, Asteraceae and Rubiaceae. Anthony (Tony) Orchard is a systema ...

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 b ...

'' from specimens collected near

Corryong Corryong is a town in Victoria (Australia), Victoria, Australia, east of Albury-Wodonga, near the upper reaches of the Murray River and close to the New South Wales border. At the , Corryong had a population of 1,348. The post office opene ...

in 2004. The

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

(''scabrida'') means "somewhat rough".

Distribution and habitat

Rough cassinia grows in the shrubby understorey of forests, near granite outcrops in mountain areas of north-eastern Victoria.

References

{{Taxonbar, from=Q15561246 scabrida Asterales of Australia Plants described in 2004 Flora of Victoria (state)