''Pomaderris intermedia'', commonly known as lemon dogwood, is a species of flowering plant in the family

Rhamnaceae The Rhamnaceae are a large Family (biology), family of flowering plants, mostly trees, shrubs, and some vines, commonly called the buckthorn family. Rhamnaceae is included in the order Rosales. The family contains about 55 genera and 950 specie ...

and is

endemic Endemism is the state of a species being found only 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 foun ...

to south-eastern Australia. It is a shrub with hairy stems, elliptic to egg-shaped leaves, and clusters of yellow flowers.

Description

''Pomaderris intermedia'' is a shrub that typically grows to a height of up to about , its branchlets covered with both simple and star-shaped hairs. The leaves are broadly elliptic to narrowly egg-shaped, long and wide with

stipule In botany, a stipule is an outgrowth typically borne on both sides (sometimes on just one side) of the base of a leafstalk (the petiole (botany), petiole). They are primarily found among dicots and rare among monocots. Stipules are considered part ...

s long at the base but that fall off as the leaf develops. The upper surface of the leaves is

glabrous Glabrousness () 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 a plant or animal, or be due to loss because of a physical condition, ...

and the lower surface covered with greyish, star-shaped hairs. The flowers are yellow and arranged in pyramid-shaped to hemispherical

panicle In botany, 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 p ...

s long, each flower on a

pedicel Pedicle or pedicel may refer to: Human anatomy *Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures ...

long with

bract In botany, a bract is a modified or specialized leaf, associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves in size, color, shape or texture. They also lo ...

s at the base but that fall off as the flower opens. The floral cup is long, the

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 Etymology The term ''sepalum'' ...

s long but fall off as the flowers open, and the petals are spatula-shaped and long. Flowering occurs in September and October.

Taxonomy

''Pomaderris intermedia'' was first formally described in 1825 by

Augustin Pyramus de Candolle Augustin Pyramus (or Pyrame) de Candolle (, , ; 4 February 17789 September 1841) was a Swiss people, Swiss botany, botanist. René Louiche Desfontaines launched de Candolle's botanical career by recommending him at a herbarium. Within a couple ...

in '' Prodromus Systematis Naturalis Regni Vegetabilis'' from an unpublished description by

Franz Sieber Franz Wilhelm Sieber (30 March 1789 – 17 December 1844) was a botanist and collector who travelled to Europe, the Middle East, Southern Africa and Australia. Early life Franz Sieber was born in Prague, Bohemia, on 30 March 1789. After five ...

. The

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

(''intermedia'') refers to a close association with two other ''Pomaderris'' species.

Distribution and habitat

Lemon dogwood grows in forest, woodland and heath, and is found from south from the

Gibraltar Range National Park Gibraltar Range is a national park located in northeastern New South Wales, Australia. It is situated 79 kilometres (49 mi) northeast of Glen Innes and north of Sydney. The Park is part of the Washpool and Gibraltar Range area, which is ...

in New South Wales to

Western Port Western Port, ( Boonwurrung: ''Warn Marin'') commonly but unofficially known as Western Port Bay, is a large tidal bay in southern Victoria, Australia, opening into Bass Strait. It is the second largest bay in the state. Geographically, it ...

and French Island in Victoria, and in scattered locations in Tasmania, including on some

Bass Strait islands 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 waterw ...

Conservation status

This pomaderris is listed as "rare" under the Tasmanian Government ''

Threatened Species Protection Act 1995 The ''Threatened Species Protection Act 1995'' (TSP Act), is an act of the Parliament of Tasmania that provides the statute relating to conservation of flora and fauna. Its long title is An Act to provide for the protection and management of ...

''.

References

{{Taxonbar, from=Q7227196 Flora of New South Wales

intermedia Intermedia is an art theory term coined in the mid-1960s by Fluxus artist Dick Higgins to describe the strategies of interdisciplinarity that occur within artworks existing between artistic genres. It was also used by John Brockman to refer to ...

Flora of Victoria (state) Flora of Tasmania Flora of the Australian Capital Territory Plants described in 1825 Taxa named by Augustin Pyramus de Candolle