''Pomaderris subplicata'', commonly known as concave pomaderris, is a species of flowering plant in the family

Rhamnaceae The Rhamnaceae are a large 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 species. The Rhamnaceae ...

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 els ...

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 ...

in Australia. It is a shrub with softly-hairy branchlets, egg-shaped leaves, sometimes with the narrower end towards the base, and small clusters of pale yellow flowers.

Description

''Pomaderris subplicata'' is a shrub that typically grows to a height of , its branchlets covered with soft, star-shaped hairs. The leaves are egg-shaped, sometimes with the narrower end towards the base, long and wide and often V-shaped in cross-section. Both surfaces of the leaves are covered with soft, star-shaped hairs. There are

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). Stipules are considered part of the anatomy of the leaf of a typical flowering plant, although in many speci ...

s long at the base of the leaves, but that fall off as the leaf matures. The flowers are borne in small clusters in leaf axils near the ends of branchlets, each flower pale yellow 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 ...

. 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 The term ''sepalum'' was coined ...

s are long, and fall off as the flower matures and the petals are long but fall off as the flowers open. Flowering occurs in October.

Taxonomy

''Pomaderris subplicata'' was first formally described in 1992 by

Neville Grant Walsh Neville Grant Walsh (born 1956) has worked at the National Herbarium of Victoria from 1977. Together with Don Foreman, he authored the first volume of ''Flora of Victoria'', authoring a further two with Timothy Entwisle. while for Volume 4 all ...

in the journal '' Muelleria'' from specimens Walsh collected near Carboor Upper in north-east Victoria in 1990. 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 ...

(''subplicata'') means "somewhat folded", referring to the leaves.

Distribution and habitat

Concave pomaderris grows in woodland and shrubby forest on shallow soil in three locations south-east of

Wangaratta Wangaratta ( ) is a city in the northeast of Victoria, Australia, from Melbourne along the Hume Highway. The city had an estimated urban population of 19,318 at June 2018. Wangaratta has recorded a population growth rate of almost 1% annually ...

in north-eastern Victoria.

Conservation status

''Pomaderris subplicata'' is classified as "vulnerable" under the Australian Government ''

Environment Protection and Biodiversity Conservation Act The ''Environment Protection and Biodiversity Conservation Act 1999'' (Cth) is an Act of the Parliament of Australia that provides a framework for protection of the Australian environment, including its biodiversity and its natural and cultu ...

'' and the Victorian 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 a National Recovery Plan has been prepared. The main threats to the species include its small population size, weed invasion and grazing by rabbits and native herbivores.

References

{{Taxonbar, from=Q17251987 Flora of Victoria (state) subplicata Plants described in 1992 Taxa named by Neville Grant Walsh