''Leucopogon affinis'', commonly known as lance beard-heath and formerly known as ''Leucopogon lanceolatus'' is a flowering plant in the heath family

Ericaceae The Ericaceae are a family of flowering plants, commonly known as the heath or heather family, found most commonly in acidic and infertile growing conditions. The family is large, with c.4250 known species spread across 124 genera, making it th ...

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 elsew ...

to eastern Australia, including

Tasmania ) , nickname = , image_map = Tasmania in Australia.svg , map_caption = Location of Tasmania in AustraliaCoordinates: , subdivision_type = Country , subdi ...

and

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 ...

. It is an erect shrub with spikes of small white flowers in early spring, followed by orange-red fruit.

Description

''Leucopogon affinis'' is an erect, often bushy shrub which grows to a height of , sometimes with its youngest branches having a covering of tiny hairs. Its leaves are lance-shaped, elliptic or egg-shaped, long, wide. They are almost stalkless, have a narrow base, a pointed tip, fine striations on the lower surface and the edges sometimes have fine teeth near the tip. The flowers are arranged in spikes on the ends of the branches and in the 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 spikes are long and contain between 2 and 16 tube-shaped white flowers. The flower tube is long with 5 pointed lobes that are densely hairy inside. The base of the tube is surrounded by narrow, egg-shaped

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 that are long. Flowering occurs from August to October and is followed by

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 ...

, edible, oval-shaped, reddish-orange fruit about long. Leucopogon affinis habit

Taxonomy and naming

''Leucopogon affinis'' was first formally described by Robert Brown in 1810 and the description was published in ''

Prodromus Florae Novae Hollandiae ''Prodromus Florae Novae Hollandiae et Insulae Van Diemen'' (Prodromus of the Flora of New Holland and Van Diemen's Land) is a flora of Australia written by botanist Robert Brown and published in 1810. Often referred to as ''Prodromus Flora Novae ...

''. 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 ...

(''affinis'') 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 "related to", "neighboring" or "bordering". The plant was formerly known as ''Leucopogon lanceolatus'' (

Sm. __NOTOC__ Sir James Edward Smith (2 December 1759 – 17 March 1828) was an English botanist and founder of the Linnean Society. Early life and education Smith was born in Norwich in 1759, the son of a wealthy wool merchant. He displayed a ...

) R.Br. but this is now recognised as a

nomen illegitimum ''Nomen illegitimum'' (Latin for illegitimate name) is a technical term, used mainly in botany. It is usually abbreviated as ''nom. illeg.'' Although the International Code of Nomenclature for algae, fungi, and plants uses Latin terms for other ki ...

by the

Australian Plant Census The Australian Plant Census (APC) provides an online interface to currently accepted, published, scientific names of the vascular flora of Australia, as one of the output interfaces of the national government Integrated Biodiversity Information Syst ...

Distribution and habitat

This leucopogon mainly grows in open forests and woodland, sometimes in moist gullies or in swampy areas, on a range of soils. It occurs in south-east

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

, the coast and adjacent ranges of

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 ...

, far south-eastern South Australia and on some of the islands in

Bass Strait Bass Strait () is a strait separating the island state of Tasmania from the Australian mainland (more specifically the coast of Victoria, with the exception of the land border across Boundary Islet). The strait provides the most direct waterwa ...

although not on the Tasmanian mainland. Image:Leucopogon lanceolatus (6076063849).jpg, ''L. affinis'' in the

Royal National Park The Royal National Park is a protected national park that is located in Sutherland Shire in the Australian state of New South Wales, just south of Sydney. The national park is about south of the Sydney central business district near the local ...

Image:Leucopogon lanceolatus -Curtis.jpg, ''L. lanceolatus'' (

nom. illeg. ''Nomen illegitimum'' (Latin for illegitimate name) is a technical term, used mainly in botany. It is usually abbreviated as ''nom. illeg.'' Although the International Code of Nomenclature for algae, fungi, and plants uses Latin terms for other k ...

) from ''

Curtis's 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 ...

References

{{Taxonbar, from=Q28924841 affinis Ericales of Australia Flora of New South Wales Flora of Queensland Flora of South Australia Flora of Tasmania Flora of Victoria (Australia) Plants described in 1810