Olearia Lirata
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''Olearia lirata'', commonly known as snowy daisy-bush, 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 south-eastern Australia. It is a shrub with lance-shaped leaves and white and cream-coloured to yellow, 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 lirata'' is a shrub that typically grows to a height of up to and has greyish branchlets. Its leaves are arranged alternately along the branchlets, lance-shaped, long, wide and
petiolate Petiole may refer to: *Petiole (botany), the stalk of a leaf, attaching the blade to the stem *Petiole (insect anatomy) In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, a ...
, the edges of the leaves sometimes wavy or toothed. The heads or daisy-like "flowers" are arranged in loose groups on the ends of branches on a peduncle long and are in diameter. Each head has three to four rows of
bract 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, or of ...
s forming a hemispherical
involucre 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, or of ...
long and ten to sixteen white 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 nine to fourteen cream-coloured to yellow disc florets. Flowering occurs from August to January and the fruit is a ribbed
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 ...
long, the pappus long.


Taxonomy

This species was first formally described in 1812 by John Sims who gave it the name ''Aster liratus'' in ''
The Botanical Magazine ''The Botanical Magazine; or Flower-Garden Displayed'', is an illustrated publication which began in 1787. The longest running botanical magazine, it is widely referred to by the subsequent name ''Curtis's Botanical Magazine''. Each of the issue ...
'' from specimens grown in " Knight's exotic nursery". In 1917, John Hutchinson changed the name to ''Olearia lirata'' in ''
The Gardeners' Chronicle ''The Gardeners' Chronicle'' was a British horticulture periodical. It lasted as a title in its own right for nearly 150 years and is still extant as part of the magazine ''Horticulture Week''. History Founded in 1841 by the horticulturists Josep ...
''. 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 ...
(''lirata'') means "possessing furrows".


Distribution and habitat

''Olearia lirata'' grows in moist forest and scrub on the coast and tablelands of New South Wales and the Australian Capital Territory, in eastern Victoria to as far west as the
Otway Range The Great Otway National Park is a national park located in the Barwon South West region of Victoria, Australia. The national park is situated approximately southwest of Melbourne, in the Otway Ranges, a low coastal mountain range. It conta ...
, and is widespread and common in Tasmania.


References

{{Taxonbar, from=Q7085999 lirata Asterales of Australia Flora of New South Wales Flora of Tasmania Flora of Victoria (Australia) Flora of the Australian Capital Territory Plants described in 1812 Taxa named by John Sims (taxonomist)