''Olearia archeri'' is a species of flowering plant 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
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...
to Tasmania. It is a shrub with small, crowded, narrowly elliptic leaves and white and yellow, daisy-like
inflorescence
An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...
s.
Description
''Olearia archeri'' is a shrub that typically grows to a height of up to , its foliage covered with T-shaped hairs. The leaves are narrowly elliptic, long and wide on a
petiole long and pale yellowish brown on the lower side. The heads are arranged in many groups of three on the ends of branchlets, each group on a
peduncle up to long. Each head or daisy-like
"flower" has 7 to 8 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 petal-like
ligule long, surrounding 19 to 27 yellow disc florets. Flowering occurs from September to March and the fruit is a brown
achene, the
pappus with 66–85 bristles.
Taxonomy and naming
''Olearia archeri'' was first formally described in 1989 by
Nicholas Sèan Lander in the journal ''
Muelleria'' from specimens collected by Ann and David Ratkowsky at Cash's lookout on
Eaglehawk Neck in 1973.
The
specific epithet (''archeri'') honours
William Archer William or Bill Archer may refer to:
* William Archer (British politician) (1677–1739), British politician
* William S. Archer (1789–1855), U.S. Senator and Representative from Virginia
* William Beatty Archer (1793–1870), Illinois politician ...
.
Distribution and habitat
This daisy-bush grows in shady places in open forest on stony hillsides on the east coast of Tasmania, at altitudes up to .
References
{{Taxonbar, from=Q15587972
Flora of Tasmania
archeri
Plants described in 1989