Daviesia cordata
{{Short description|Species of legume}}
{{Use dmy dates|date=July 2019}}
{{Speciesbox
|name = Bookleaf
|image = Daviesia cordata foliage and flowers.jpg
|image_caption = Daviesia cordata near Collie
|genus = Daviesia
|species = cordata
|authority = Sm.{{cite web|title=Daviesia cordata|url= https://biodiversity.org.au/nsl/services/apc-format/display/82430|publisher=Australian Plant Census|access-date=6 November 2021}}
|synonyms =Mirbelia cordata (Sm.) Pritz.
}}
File:Daviesia cordata habit.jpg
Daviesia cordata, commonly known as bookleaf,{{FloraBase|name=Daviesia cordata|id=3799}} is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a slender, erect shrub with scattered egg-shaped phyllodes, and yellow-orange and pinkish-purple flowers.
Description
Daviesia cordata is a slender, erect, glabrous shrub that typically grows to a height of {{cvt|0.5–1.2|m}}. Its leaves are reduced to scattered, spreading, egg-shaped phyllodes {{cvt|35–120|mm}} long and {{cvt|22–55|mm}} wide, with a heart-shaped, stem-clasping base. The flowers are arranged in groups of ten to fifteen in leaf axils on a peduncle {{cvt|20–70|mm}} long, each flower on a pedicel {{cvt|4.0–6.5|mm}} long with two circular bracts {{cvt|5–15|mm}} wide at the base. The sepals are {{cvt|6–7|mm}} long and joined at the base, the upper lobes joined for most of their length and the lower three triangular and about {{cvt|1.5|mm}} long. The standard is yellow with orange at the base and tip, circular to elliptic, {{cvt|10–12|mm}} long and {{cvt|6–9|mm}} wide. The wings are pinkish-red to purple and {{cvt|9.5–10.5|mm}} long and the keel pinkish purple and {{cvt|8–9|mm}} long. Flowering occurs from July to December and the fruit is a flattened, triangular pod {{cvt|12–16|mm}} long.{{cite journal |last1=Crisp |first1=Michael D. |last2=Cayzer |first2=Lindy |last3=Chandler |first3=Gregory T. |last4=Cook |first4=Lyn G. |title=A monograph of Daviesia (Mirbelieae, Faboideae, Fabaceae) |journal=Phytotaxa |date=2017 |volume=300 |issue=1 |pages=68–69 |doi=10.11646/phytotaxa.300.1.1|doi-access=free }}
Taxonomy
Davieia cordata was first formally described in 1808 by James Edward Smith in The Cyclopaedia based on specimens collected from King George Sound.{{cite web|title=Daviesia cordata|url= https://id.biodiversity.org.au/instance/apni/6505228 |publisher=APNI|access-date=6 November 2021}}{{cite book |last1=Smith |first1=James E. |editor-last1=Rees |editor-first1=Abraham |title=The Cyclopaedia |volume=11 |date=1808 |publisher=Longman, Hyrst, Rees, Orme and Brown |location=London |page=8 |url=https://www.biodiversitylibrary.org/item/122068#page/153/mode/1up |access-date=6 November 2021}} The specific epithet (cordata) mean "heart-shaped".{{cite book |last1=Sharr |first1=Francis Aubi |last2=George |first2=Alex |title=Western Australian Plant Names and Their Meanings |date=2019 |publisher=Four Gables Press |location=Kardinya, WA |isbn=9780958034180 |page=170 |edition=3rd}}
Distribution and habitat
Bookleaf grows in open forest and mallee-heath and is common from near Perth to Albany in the Avon Wheatbelt, Jarrah Forest, Swan Coastal Plain and Warren biogeographic regions of south-western Western Australia.
References
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Category:Rosids of Western Australia