Gompholobium obcordatum
{{Short description|Species of flowering plant}}
{{speciesbox
|name =
|image =
|status_system =
|status =
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|genus = Gompholobium
|species = obcordatum
|authority = Turcz.{{cite web|title=Gompholobium obcordatum|url= https://biodiversity.org.au/nsl/services/apc-format/display/79180|publisher=Australian Plant Census|access-date=19 August 2021}}
|synonyms =
- Gompholobium obcordatum Turcz. var. obcordatum
- Gompholobium obcordatum var. pachyphyllum C.A.Gardner
}}
Gompholobium obcordatum is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is an erect, open shrub with heart-shaped leaves, the narrower end towards the base, and uniformly yellow, pea-like flowers.
Description
Gompholobium obcordatum is an erect, open shrub that typically grows to a height of {{cvt|20–60|cm}}. Its leaves are heart-shaped with the narrower end towards the base, {{cvt|3.8–6.0|mm}} long, {{cvt|03–3.5|mm}} wide and glabrous. The flowers are uniformly yellow, borne on pedicels {{cvt|3–5|mm}} long with bracteoles attached. The sepals are {{cvt|5–9|mm}} long, the standard petal {{cvt|6.5–10|mm}} long, the wings {{cvt|5.2–7.5|mm}} long and the keel {{cvt|5–8|mm}} long. Flowering occurs from September to November and the fruit is a cylindrical pod.{{FloraBase|name=Gompholobium obcordatum|id=3952}}
Taxonomy
Gompholobium obcordatum was first formally described in 1853 by Nikolai Turczaninow in the Bulletin de la Société impériale des naturalistes de Moscou from specimens collected by James Drummond.{{cite web|title=Gompholobium obcordatum|url= https://id.biodiversity.org.au/instance/apni/494303 |publisher=APNI|access-date=19 August 2021}}{{cite journal |last1=Turcaaninow |first1=Nikolai |title=Papilionaceae. Podalyrieae et Loteae Australasicae Non-Nullae, Hucusque non Descriptae |journal=Bulletin de la Société impériale des naturalistes de Moscou |date=1853 |page=258 |url=https://www.biodiversitylibrary.org/item/107140#page/264/mode/1up |access-date=19 August 2021}} The specific epithet (obcordatum) means "inverted heart-shaped", referring to the leaves.{{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=263 |edition=3rd}}
Distribution and habitat
This species of gompholobium grows in sandy soil in the Avon Wheatbelt, Coolgardie and Geraldton Sandplains biogeographic regions of south-western Western Australia.
Conservation status
Gompholobium obcordatum is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.
References
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Category:Eudicots of Western Australia