''Androcalva procumbens'' is a species of flowering plant in the family

Malvaceae Malvaceae (), or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include Theobroma cacao, cacao, Cola (plant), cola, cotton, okra, Hibiscus sabdariffa, ...

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 central New South Wales. It is a prostrate shrub covered with star-shaped hairs, and with slender, trailing stems, egg-shaped to narrowly egg-shaped or lance-shaped leaves with scalloped or lobed edges, and clusters of 4 to 10 white, pink and yellow flowers.

Description

''Androcalva procumbens'' is a prostrate shrub with sleder, trailing stems up to long, its new growth densely covered with star-shaped hairs. The leaves are egg-shaped to narrowly egg-shaped or lance-shaped, long and wide on a

petiole Petiole may refer to: *Petiole (botany), the stalk of a leaf, attaching the blade to the stem *Petiole (insect anatomy) In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and ...

long with narrowly triangular

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. The edges of the leaves are scalloped, lobed or regularly toothed, the lower surface densely covered with woolly, white hairs. The flowers are arranged in clusters of 4 to 10 on a peduncle 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 a narrowly triangular

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 ...

long at the base. The flowers are about in diameter with 5 white petal-like

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 with a pink base and about long, and pink petals about long with a yellow base, the

ligule A ligule (from "strap", variant of ''lingula'', from ''lingua'' "tongue") is a thin outgrowth at the junction of leaf A leaf (: leaves) is a principal appendage of the plant stem, stem of a vascular plant, usually borne laterally above g ...

white. There are up to 3 egg-shaped

staminode In botany, a staminode is an often rudimentary, sterile or abortive stamen, which means that it does not produce pollen.Jackson, Benjamin, Daydon; ''A Glossary of Botanic Terms with their Derivation and Accent''; Published by Gerald Duckworth & Co ...

s between each pair of

stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...

s. Flowering occurs from August to December and the fruit is a densely hairy capsule long.

Taxonomy

This species was first formally described in 1898 by

Joseph Maiden Joseph Henry Maiden (25 April 1859 – 16 November 1925) was a botanist who made a major contribution to knowledge of the Australian flora, especially the genus ''Eucalyptus''. This botanist is denoted by the author abbreviation when citing ...

and Ernst Betche who gave it the name ''Rulingia procumbens'' in ''

Proceedings of the Linnean Society of New South Wales The Linnean Society of New South Wales promotes ''the Cultivation and Study of the Science of Natural History in all its Branches'' and was founded in Sydney, New South Wales (Australia) in 1874 and incorporated in 1884. History The Society succ ...

''. In 2011, Carolyn Wilkins and Barbara Whitlock assigned it to the new genus ''Androcalva'' in ''

Australian Systematic Botany ''Australian Systematic Botany'' is an international peer-reviewed scientific journal published by CSIRO Publishing. It is devoted to publishing original research, and sometimes review articles, on topics related to systematic botany, such as b ...

''. 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 ...

(''procumbens'') means "

procumbent 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 ...

Distribution and habitat

''Androcalva procumbens'' grows in sandy soil mainly in the

Dubbo Dubbo (; ) is a city in the Orana (New South Wales), Orana Region of New South Wales, Australia. It is the largest population centre in the Orana region, with a population of 43,516 at June 2021. The city is located at the intersection of the ...

Mendooran Mendooran (pronunciation: ''men-door-an'') is a small town adjacent to the Castlereagh River in the Warrumbungle Shire of central western New South Wales, Australia. The town lies at an altitude of 271 metres above sea level, 348 kilometres west ...

and

Gilgandra Gilgandra is a country town in the Orana region of New South Wales, Australia, and services the surrounding agricultural area where wheat is grown extensively together with other cereal crops, and sheep and beef cattle are raised. The town i ...

districts, but also in the Pilliga and Nymagee districts in central New South Wales.

Conservation status

''Androcalva procumbens'' is listed as "vulnerable" under the Australian Government ''

Environment Protection and Biodiversity Conservation Act 1999 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 cult ...

''.

References

{{Taxonbar, from=Q17579630 procumbens Flora of New South Wales Plants described in 1898 Taxa named by Joseph Maiden Taxa named by Ernst Betche