''Cassinia subtropica'', commonly known as bushy rosemary, is a species of flowering plant in the family Asteraceae and is endemic to north-eastern Australia. It is shrub with woolly-hairy stems, lance-shaped to egg-shaped leaves and

panicle A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are of ...

s of flower heads.

Description

''Cassinia subtropica'' is a shrub that typically grows to a height of up to and has grey or brown stems covered with fine, woolly hairs. The leaves are lance-shaped to egg-shaped, long and wide. The upper surface of the leaves is glabrous and the lower surface is covered with whitish to rust-coloured hairs. The flower heads are linear to narrow bell-shaped, long and about long, each head with one or two cream-coloured to pale brown

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 about loose, overlapping involucral bracts in three or four

whorls A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral d ...

. The heads are arranged in panicles up to long and wide. Flowering occurs in autumn and winter and the achenes are about long with a pappus of barbed hairs about long.

Taxonomy and naming

''Cassinia subtropica'' was first formally described in 1858 by

Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vict ...

in '' Fragmenta phytographiae Australiae'' from specimens collected by Walter Hill.

Distribution

This cassinia grows in forest and on the edges of rainforest from north-east and central-eastern Queensland to far north-eastern New South Wales.

References

{{Taxonbar, from=Q15561441 subtropica Asterales of Australia Flora of New South Wales Flora of Queensland Plants described in 1858 Taxa named by Ferdinand von Mueller