''Pityrodia loricata'' is a

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 mint

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Lamiaceae The Lamiaceae ( ) or Labiatae are a family of flowering plants commonly known as the mint, deadnettle or sage family. Many of the plants are aromatic in all parts and include widely used culinary herbs like basil, mint, rosemary, sage, savory ...

and is endemic to

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. It is a dense, greyish, multi-stemmed shrub with whorled leaves, prominent

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...

s and pale, pinkish-white flowers. It is common in

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

and the

Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an states and territories of Australia, Australian territory in the central and central northern regions of Australia. The Northern Territory ...

and there is a single record from

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 ...

Description

''Pityrodia loricata'' is a dense, multi-stemmed shrub which usually grows to a height of and which has its branches and leaves densely covered with silvery, shield-shaped scales, although the scales may be difficult to see without a hand lens. The leaves are stalkless, arranged in whorls, more or less crowded near the ends of the branches, lance-shaped, long and wide. The flowers are pale whitish-pink and are usually arranged in groups of up to three on stalks long in upper leaf

axil A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, st ...

s. The flowers are surrounded by linear to lance-shaped

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 and bracteoles which are long, scaly on the outside and glabrous and scale-less on the inside. The five sepals are long and joined for about half their length to form a tube with five lance-shaped lobes. The sepals are scaly on the outside of the tube and on the lobes but the inside of the sepal tube is glabrous. The five

petal Petals are modified Leaf, leaves that surround the reproductive parts of flowers. They are often advertising coloration, brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''c ...

s are long and glabrous except for a densely hairy ring around the

ovary The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the body. ...

and a few long hairs on the lowest petal. The petals are joined to form a tube with five lobes in two "lips", the lower lip having three lobes. The central, lower lobe is broad elliptic to almost circular in shape, long and about wide and significantly larger than the other four which are about the same size as each other. Flowering occurs from May to November and is followed by hairy, oval-shaped fruit with the sepals still attached.

Taxonomy and naming

This species was first formally described in 1876 by

Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vict ...

who gave it the name ''Chloanthes loricata'' and published the description in '' Fragmenta phytographiae Australiae''. In 1904 Georg Pritzel changed the name to ''Pityrodia loricata''. 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 ...

(''loricata'') is a

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

word meaning "clad in mail".

Distribution and habitat

This pityrodia grows in red or yellow sand on sand dunes. It is found in the near

Lake Carnegie Lake Carnegie is a reservoir that is formed from a dam on the Millstone River, in the far northeastern corner of Princeton, Mercer County, New Jersey. The Delaware and Raritan Canal and its associated tow path are situated along the eastern shor ...

, Coolgardie and Eucla districts in Western Australia, near Mount Sonder in the

MacDonnell Ranges The MacDonnell Ranges, or Tjoritja in Arrernte, is a mountain range located in southern Northern Territory. MacDonnell Ranges is also the name given to an interim Australian bioregion broadly encompassing the mountain range, with an area of .< ...

in the Northern Territory and there is a single record from

Mamungari Conservation Park Mamungari Conservation Park (formerly known as Unnamed National Park, Unnamed Conservation Park and also known as the Unnamed Biosphere Reserve) is a protected area located in South Australia within the southern Great Victoria Desert and norther ...

in South Australia.

Conservation

''Pityrodia loricata'' is classified as "not threatened" by the Western Australian Government

Department of Parks and Wildlife The Department of Parks and Wildlife (DPaW) was the department of the Government of Western Australia responsible for managing lands described in the ''Conservation and Land Management Act 1984'' and implementing the state's conservation and e ...

References

* {{Taxonbar, from=Q15351714 loricata Plants described in 1876 Flora of South Australia Flora of the Northern Territory Flora of Western Australia Taxa named by Ferdinand von Mueller