Scaevola calendulacea botanistsreposit12andr 0099

''Scaevola calendulacea'' commonly known as dune fan-flower, is a flowering plant in the family ''

Goodeniaceae Goodeniaceae is a family of flowering plants in the order Asterales. It contains about 404 species in twelve genera. The family is distributed mostly in Australia, except for the genus '' Scaevola'', which is pantropical. Its species are found ac ...

''. It is a small, mat-forming shrub with blue fan-shaped flowers with a yellow centre and grows on sand dunes in eastern and southern Australia.

Description

''Scaevola calendulacea'' is a prostrate shrub growing to 40 cm high with oblong to lance shaped or egg shaped leaves up to long, wide, margins smooth with flattened hairs, and tapering to the base. The blue flowers are borne on terminal spikes up to long, corolla long, soft, short hairs on the outside, bearded inside and the

wings A wing is a type of fin that produces both lift and drag while moving through air. Wings are defined by two shape characteristics, an airfoil section and a planform. Wing efficiency is expressed as lift-to-drag ratio, which compares the bene ...

are wide. Flowering occurs throughout the year and the fruit is white or purplish, globular, smooth, up to in diameter and the ovary has two

locule A locule (: locules) or loculus (; : loculi) is a small cavity or compartment within an organ or part of an organism (animal, plant, or fungus). In angiosperms (flowering plants), the term ''locule'' usually refers to a chamber within an ovary ...

Taxonomy and naming

''Scaevola calendulacea'' was first formally described in 1798 by

Henry Cranke Andrews Henry Cranke Andrews (c. 1759 – 1835, floruit, fl. 1794 – 1830), was an English botanist, botanical artist and engraver. As he always published as Henry C. Andrews, and due to difficulty finding records, the C. was often referred to as Cha ...

as ''Goodenia calendulacea'', but in 1917 was assigned to the genus, '' Scaevola'', by

George Claridge Druce George Claridge Druce (23 May 1850 – 29 February 1932) was an English botanist and a Mayor of Oxford. Personal life and education G. Claridge Druce was born at Potterspury on Watling Street in Northamptonshire. He was the illegitimate s ...

.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 ...

(''calendulacea'') refers to the similarity to the genus ''

Calendula ''Calendula'' () is a genus of about 15–20 species''Calendula''.
Flora of China.

''.

Distribution and habitat

This scaevola is a widespread species growing on sand dunes in coastal locations in South Australia, Queensland, New South Wales and Victoria.

References

{{- calendulacea Flora of New South Wales Flora of Victoria (state) Flora of Queensland Flora of South Australia Asterales of Australia Plants described in 1798 Taxa named by George Claridge Druce Taxa named by Henry Cranke Andrews