''Commersonia magniflora'' 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 okra, cotton, cacao and durian. There are also some genera containing familiar o ...

and

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 ...

to Australia. It is an erect shrub with wrinkled, narrowly oblong to elliptic or egg-shaped leaves, and deep pink flowers.

Description

''Commersonia magniflora'' is an erect shrub that typically grows to high and wide, its new growth covered with downy hairs. The leaves are narrowly oblong to elliptic or egg-shaped, long and wide on a petiole long 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). Stipules are considered part of the anatomy of the leaf of a typical flowering plant, although in many speci ...

s long at the base. The upper surface of the leaves has the veins imprinted, giving it a wrinkled appearance, the edges are serrated and rolled under, and both surfaces are densely covered with star-shaped hairs. The flowers are arranged in groups of 3 to 10 on a

peduncle Peduncle may refer to: *Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed *Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body **Peduncle (art ...

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. The flowers are wide with five deep pink, 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 The term ''sepalum'' was coined ...

s joined for most of their length, and five cream-coloured petals that are much shorter than the sepals, the

ligule A ligule (from "strap", variant of ''lingula'', from ''lingua'' "tongue") is a thin outgrowth at the junction of leaf and leafstalk of many Poaceae, grasses (Poaceae) and Cyperaceae, sedges. A ligule is also a strap-shaped extension of the corolla ...

narrowly oblong. There is a single, densely hairy

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. ...

between each pair of

stamen The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filam ...

s. Flowering occurs from May to December and the fruit is a hairy, elliptic

capsule Capsule may refer to: Anatomy * Articular capsule (joint capsule), an envelope surrounding a synovial joint * Bowman's capsule (glomerular capsule), a sac surrounding a glomerulus in a mammalian kidney * Glisson's capsule, a fibrous layer covering ...

wide.

Taxonomy

This species was first formally described in 1874 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 Vic ...

who gave it the name ''Rulingia magniflora'' in his '' Fragmenta Phytographiae Australiae'', but in 1881 he transferred it to the genus, ''

Commersonia ''Commersonia'' is a genus of twenty-five species of flowering plants in the family Malvaceae. Plants in this genus are shrubs or trees, occurring from Indochina to Australia and have stems, leaves and flowers covered with star-like hairs. The le ...

'' in a later edition of ''Fragmenta Phytographiae Australiae''. 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 ...

(''magniflora'') means "large-flowered".

Distribution and habitat

''Commersonia magniflora'' occurs in two disjunct populations. It grows in rocky outcrops, gorges along creeks from

Ormiston Gorge Ormiston is a village in East Lothian, Scotland, near Tranent, Humbie, Pencaitland and Cranston, located on the north bank of the River Tyne at an elevation of about . The village was the first planned village in Scotland, founded in 173 ...

and Kings Canyon in the Northern Territory to the north-west corner of South Australia. A second population grows in open woodland and shrubland between Coolgardie and Cunderdin in the

Avon Wheatbelt The Avon Wheatbelt is a bioregion in Western Australia. It has an area of . It is considered part of the larger Southwest Australia savanna ecoregion. Geography The Avon Wheatbelt bioregion is mostly a gently undulating landscape with low reli ...

, Coolgardie, Mallee and Murchison bioregions of Western Australia.

References

{{Taxonbar, from=Q17579758 magniflora Flora of South Australia Flora of Western Australia Flora of the Northern Territory Plants described in 1874 Taxa named by Ferdinand von Mueller