''Olearia rosmarinifolia'' is a species of flowering plant in the family
Asteraceae and is
endemic to eastern Australia. It is a shrub with scattered linear leaves, and white and yellow, daisy-like
inflorescences.
Description
''Olearia rosmarinifolia'' is a straggly shrub that typically grows to a height of up to . Its leaves are scattered along the branches, linear, long and wide with the edges rolled under. The upper surface of the leaves is more or less
glabrous, the lower surface covered with greyish, woolly hairs. The heads or daisy-like
"flowers" are arranged in
corymbs on a
peduncle Peduncle may refer to:
*Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed
*Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
**Peduncle (art ...
up to and are in diameter with 5 to 7 white ray
florets, surrounding 8 to 21 yellow disc florets. Flowering occurs from October to December and the fruit is a glabrous
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 60 to 84 bristles.
Taxonomy
This daisy was first formally described in 1836 by
Augustin Pyramus de Candolle who gave it the name ''Eurybia rosmarinifolia'' in his ''
Prodromus Systematis Naturalis Regni Vegetabilis'' from specimens collected near
Bathurst.
In 1867,
George Bentham changed the name to ''Olearia rosmarinifolia'' in ''
Flora Australiensis''.
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 ...
(''rosmarinifolia'') means "''
Rosmarinus''-leaved".
Distribution and habitat
''Olearia rosmarinifolia'' grows in rocky sites near rivers and in gorges from south-east Queensland and south to near
Cooma in southern New South Wales.
References
{{Taxonbar, from=Q15590088
rosmarinifolia
Asterales of Australia
Flora of New South Wales
Flora of Queensland
Plants described in 1836
Taxa named by Augustin Pyramus de Candolle