''Olearia suffruticosa'', commonly known as clustered 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 continental Australia. It is a shrub or undershrub with scattered, linear, grass-like leaves and pink to white and yellow and pink, 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 ...

Description

''Olearia suffruticosa'' is sticky shrub or undershrub that typically grows to a height of and has a woody base and slender, short-lived

glabrous Glabrousness (from the Latin ''glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part of ...

stems wth few branches. The leaves are arranged alternately,

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 ...

, linear and grass-like, long and wide and more or less glabrous. The heads or daisy-like "flowers" are arranged in leafy

panicle A panicle is a much-branched inflorescence. (softcover ). Some authors distinguish it from a compound spike inflorescence, by requiring that the flowers (and fruit) be pedicellate (having a single stem per flower). The branches of a panicle are of ...

s on the ends of branches, on a peduncle up to long, each head with a bell-shaped

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 o ...

at the base. Each head has 12 to 20 white to pink 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 16 to 22 yellow and pink disc florets. Flowering occurs from January to May and the fruit is an

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 ...

about long, the pappus about long.

Taxonomy

''Olearia suffruticosa'' was first formally described in 1985 by

David Alan Cooke David (; , "beloved one") (traditional spelling), , ''Dāwūd''; grc-koi, Δαυΐδ, Dauíd; la, Davidus, David; gez , ዳዊት, ''Dawit''; xcl, Դաւիթ, ''Dawitʿ''; cu, Давíдъ, ''Davidŭ''; possibly meaning "beloved one". w ...

in the ''

Journal of the Adelaide Botanic Gardens The Adelaide Botanic Garden is a public garden at the north-east corner of the Adelaide city centre, in the Adelaide Park Lands. It encompasses a fenced garden on North Terrace, Adelaide, North Terrace (between Lot Fourteen, the site of the old ...

'' from specimens collected near the

Bool Lagoon Bool may refer to: People *Al Bool (1897–1981), American baseball player *Henry Bool (1846–1922), American anarchist Places *Bool (Ludhiana East), a village in Punjab, India *Bool, Tagbilaran, a barangay (suburb) in the Philippines *Bool Isla ...

in 1963. 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 ...

(''suffruticosa'') means "somewhat woody".

Distribution and habitat

Clustered daisy-bush grows in heathland in swampy areas in the far south-east of

South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...

, the south-west of

Victoria Victoria most commonly refers to: * Victoria (Australia), a state of the Commonwealth of Australia * Victoria, British Columbia, provincial capital of British Columbia, Canada * Victoria (mythology), Roman goddess of Victory * Victoria, Seychelle ...

near

Glenisla The River Isla ( gd, Abhainn Ìle) is a tributary of the River Tay in Angus and Perthshire, Scotland. It runs for 46 miles (74 km) through the Kirkton of Glenisla (Clachan Ghlinn Ìle) and Strathmore (An Srath Mòr). Gallery File:Footb ...

, Casterton and

Dergholm The Dergholm State Park is located in the far west of Victoria (Australia), Victoria, Australia. It is 390 km west of Melbourne and 450 km east of Adelaide, South Australia. Introduction The park has an area of 104 square kilometres a ...

, and between Capertee and

Wallerawang Wallerawang is a small township in the Central Tablelands of New South Wales, Australia. It is located approximately northwest of Lithgow, New South Wales, Lithgow adjacent to the Great Western Highway. It is also located on the Main Western ra ...

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

Conservation status

This olearia is listed as "endangered" under the Victoria Government ''

Flora and Fauna Guarantee Act 1988 The ''Flora and Fauna Guarantee Act 1988'', also known as the ''FFG Act'', is an act of the Victorian Government designed to protect species, genetic material and habitats, to prevent extinction and allow maximum genetic diversity within the Au ...

'' and as "vulnerable" in the Department of Sustainability and Environment's ''Advisory List of Rare Or Threatened Plants In Victoria''.

References

{{Taxonbar, from=Q7086011 Asterales of Australia Flora of New South Wales Flora of Victoria (Australia) Flora of South Australia suffruticosa Plants described in 1985