Calocephalus aervoides
Encyclopedia
Calocephalus aervoides (Woolly Beauty-heads) is a herb
Herbaceous plant
A herbaceous plant is a plant that has leaves and stems that die down at the end of the growing season to the soil level. They have no persistent woody stem above ground...

 in the family Asteraceae
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...

. It produces yellow flowers from September to October (spring) in its native range.

The species, which is endemic to Western Australia
Western Australia
Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

, was first formally described by botanist Ferdinand von Mueller
Ferdinand von Mueller
Baron Sir Ferdinand Jacob Heinrich von Mueller, KCMG was a German-Australian physician, geographer, and most notably, a botanist.-Early life:...

 and named Pachysurus aervoides in Fragmenta Phytographiae Australiae
Fragmenta phytographiae Australiae
Fragmenta phytographiae Australiae is a series of papers authored by the Victorian Government botanist Ferdinand von Mueller in which he published many of his approximately 2000 descriptions of new taxa of Australian plants. The papers were issued in 94 parts between 1858 and 1882 and published in...

in 1863.
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