''Podolobium aestivum'', is a flowering plant in the family

Fabaceae Fabaceae () or Leguminosae,International Code of Nomen ...

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 ...

New South Wales New South Wales (commonly abbreviated as NSW) is a States and territories of Australia, state on the Eastern states of Australia, east coast of :Australia. It borders Queensland to the north, Victoria (state), Victoria to the south, and South ...

, Australia. It is an upright shrub with green spiky leaves and orange pea-like flowers.

Description

''Podolobium aestivum'' is an upright shrub high, lower leaf surface and young stems covered with flattened or spreading hairs. The leaves are arranged opposite, usually long, wide, upper surface shiny and veined, margins more or less evenly lobed and sharply pointed. The

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 are stiff, sharp, curved, and up to long. The flowers are borne in

raceme A raceme () or racemoid is an unbranched, indeterminate growth, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are ...

s in leaf axils, occasionally longer than the leaves,

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 are oval-shaped and small. The orange corolla is about long and the

calyx CALYX, Inc. is a non-profit publisher of art and literature by women founded in 1976 based in Corvallis, Oregon. CALYX publishes both '' CALYX, A Journal of Art and Literature by Women'' twice a year and CALYX Books, which publishes one to three ...

about long. Flowering occurs in spring and summer, and the fruit is an oblong shaped pod, more or less straight, long, about in diameter with short, soft hairs.

Taxonomy and naming

''Podolobium aestivum'' was first formally described in 1995 by

Michael Crisp Michael Douglas Crisp (born 1950) is an emeritus professor in the Research School of Biology at the Australian National University located in Canberra. In 1976, he gained a PhD from the University of Adelaide, studying long-term vegetation chan ...

and

Peter Henry Weston Peter may refer to: People * List of people named Peter, a list of people and fictional characters with the given name * Peter (given name) ** Saint Peter (died 60s), apostle of Jesus, leader of the early Christian Church * Peter (surname), a sur ...

and the description was published ''Advances in Legume Systematics''. 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 ...

(''aestivum'') means "pertaining to summer, and refers to the main flowering period".

Distribution and habitat

This podolobium grows on rocky locations in sclerophyll forest in the

Gibraltar Range The Gibraltar Range is a mountain range in the Northern Tablelands region of New South Wales, Australia. The range extends off the Great Dividing Range at Bald Nob about east northeast of and trends generally east northeast and north northea ...

and on

Mount Warning Mount Warning ( Bundjalung: ''Wollumbin''), a mountain in the Tweed Range in the Northern Rivers region of New South Wales, Australia, was formed from a volcanic plug of the now-gone Tweed Volcano. The mountain is located west-south-west of ...

in New South Wales.

References

{{Taxonbar, from=Q65945880 Fabales of Australia Flora of New South Wales aestivum Plants described in 1995