''Leionema ceratogynum'' is a dense shrub, it grows on the south coast of New South Wales, Australia. It has oval-elliptic shaped leaves, scented foliage and lemon flowers usually in groups of three arising from the leaf axils.

Description

''Leionema ceratogynum'' is dense shrub to high, immature branchlets with conspicuous ridging and covered with soft, upright, star-shaped hairs. The leaves are oval-elliptic shaped, long, wide and pointed or rounded at the apex. The leaf surface may be smooth or have short, firm hairs, raised warty oil-glands or occasional star-shaped hairs. The leaf lower surface is white, smooth, covered with small, soft, star-shaped, erect hairs, margins rolled under on a petiole long. The inflorescence consists of a tight grouping of usually three pale yellow flowers on a more or less smooth

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 ...

. The

calyx Calyx or calyce (plural "calyces"), from the Latin ''calix'' which itself comes from the Ancient Greek ''κάλυξ'' (''kálux'') meaning "husk" or "pod", may refer to: Biology * Calyx (anatomy), collective name for several cup-like structures ...

long, smooth, lobes triangular shaped, petals narrowly elliptic, long, smooth and the stamens long. The elliptic-shaped fruit are long ending with a beak long at maturity.

Taxonomy and naming

''Leionema ceratogynum'' was first formally described in 2004 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 John Entwisle, Timothy Entwisle. wh ...

and the description was published in Telopea. 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 ...

(''ceratogynum'') is from the Greek, ''ceras'' meaning "horn" and ''gyne'' meaning female, alluding to the distinct beaked

carpels Gynoecium (; ) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) ''pistils'' ...

Distribution and habitat

This species has a restricted distribution, only found in the

Wadbilliga National Park Wadbilliga National Park is a national park that is located in high country spanning the Monaro and South Coast regions of south-eastern New South Wales, Australia. Location and features Wadbilliga National Park is located southwest of Sydney ...

on the south coast of New South Wales. Found growing on ridges at higher altitudes in mostly dry scrubland, heath and mallee.

References

{{Taxonbar, from=Q18076968 ceratogynum Sapindales of Australia Flora of New South Wales Taxa named by Neville Grant Walsh