Olearia Lanuginosa
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''Olearia lanuginosa'' is a species of
flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
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 to southern Australia. It is an erect shrub with egg-shaped leaves and white to mauve and yellowish, daisy-like
inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...
s.


Description

''Olearia lanuginosa'' is an erect, twiggy shrub that typically grows to a height of up to and has cottony-hairy branchlets. Its leaves are arranged alternately along the branchlets, egg-shaped, long, wide,
sessile Sessility, or sessile, may refer to: * Sessility (motility), organisms which are not able to move about * Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant * Sessility (medicine), tumors and polyps that ...
and cottony-hairy. The heads or daisy-like "flowers" are arranged singly on the ends of short side-branchlets and are in diameter and sessile. Each head has four to seven white to mauve ray
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 ...
, 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 ...
long, surrounding five to ten mauve to yellowish disc florets. Flowering occurs from November to March and the fruit is a hairy
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 ...
, the pappus with whitish bristles about long.


Taxonomy

Woolly olearia was first formally described in 1956 by James Hamlyn Willis who gave it the name ''Olearia floribunda'' var. ''lanuginosa'' in the journal '' Muelleria'', based on material collected by
Joseph Maiden Joseph Henry Maiden (25 April 1859 – 16 November 1925) was a botanist who made a major contribution to knowledge of the Australian flora, especially the genus ''Eucalyptus''. This botanist is denoted by the author abbreviation when citing ...
near
Murray Bridge Murray Bridge may refer to. *Murray Bridge, South Australia, a city and locality *Rural City of Murray Bridge, a local government area in South Australia *Corporate Town of Murray Bridge, a former local government area in South Australia See also ...
in 1907. In the same year, Norman Arthur Wakefield raised the variety to species status as ''Olearia lanuginosa'' in ''
The Victorian Naturalist ''The Victorian Naturalist'' is a bimonthly scientific journal covering natural history, especially of Australia. It is published by the Field Naturalists Club of Victoria and is received as part of the membership subscription of that club. From ...
''. 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 ...
(''lanuginosa'') means "abounding in wool".


Distribution and habitat

''Olearia lanuginosa'' grows in heath, mallee and woodlands in the Coolgardie,
Great Victoria Desert The Great Victoria Desert is a sparsely populated desert ecoregion and interim Australian bioregion in Western Australia and South Australia. History In 1875, British-born Australian explorer Ernest Giles became the first European to cross th ...
, Mallee and Murchison
bioregions A bioregion is an ecology, ecologically and geographically defined area that is smaller than a biogeographic realm, but larger than an ecoregion or an ecosystem, in the World Wide Fund for Nature classification scheme. There is also an attempt to ...
of Western Australia, in the south-east of South Australia and in the
Big Big or BIG may refer to: * Big, of great size or degree Film and television * ''Big'' (film), a 1988 fantasy-comedy film starring Tom Hanks * ''Big!'', a Discovery Channel television show * ''Richard Hammond's Big'', a television show present ...
and
Little Desert Little is a synonym for small size and may refer to: Arts and entertainment * ''Little'' (album), 1990 debut album of Vic Chesnutt * ''Little'' (film), 2019 American comedy film *The Littles, a series of children's novels by American author John P ...
s and
Grampians The Grampian Mountains (''Am Monadh'' in Scottish Gaelic, Gaelic) is one of the three major mountain ranges in Scotland, that together occupy about half of Scotland. The other two ranges are the Northwest Highlands and the Southern Uplands. T ...
regions of Victoria.


Conservation status

Woolly daisy bush is listed as "not threatened" by the
Department of Biodiversity, Conservation and Attractions The Department of Biodiversity, Conservation and Attractions (DBCA) is the Western Australian government The Government of Western Australia, formally referred to as His Majesty's Government of Western Australia, is the Australian state de ...
.


References

{{Taxonbar, from=Q15587323 lanuginosa Eudicots of Western Australia Flora of South Australia Flora of Victoria (Australia) Plants described in 1956 Taxa named by James Hamlyn Willis