Pultenaea heterochila

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Pultenaea heterochila
Pultenaea heterochila.jpg
In the Australian National Botanic Gardens
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Genus: Pultenaea
Species:
P. heterochila
Binomial name
Pultenaea heterochila
F.Muell.[1]

Pultenaea heterochila is a species of flowering plant in the family Fabaceae and is endemic to the south of Western Australia. It is an erect, low-lying or protrate shrub with hairy leaves and yellow and red flowers.

Description[]

Pultenaea heterochila is an erect, low-lying or prostrate shrub that typically grows to a height of up to 1.8 m (5 ft 11 in) and has hairy stems. The leaves are flat and hairy, 5–12 mm (0.20–0.47 in) long and 3–8.2 mm (0.12–0.32 in) wide with stipules 1–2.7 mm (0.039–0.106 in) long at the base. The flowers are arranged on pedicels 3.5–5 mm (0.14–0.20 in) long, and the sepals are 6–8 mm (0.24–0.31 in) long with bracteoles 1.7–2.4 mm (0.067–0.094 in) long at the base. The standard petal is yellow, 7–9.7 mm (0.28–0.38 in) long, the wings 6.0–8.5 mm (0.24–0.33 in) long and the keel is red and 7.2–9.0 mm (0.28–0.35 in) long. Flowering occurs from May to September and the fruit is a pod.[2]

Taxonomy and naming[]

This species was first formally described in 1811 by Robert Brown who gave it the name Euchilus obcordatus in William Aiton's Hortus Kewensis.[3][4] In 1863, Ferdinand von Mueller changed the name to Pultenaea heterochila in Fragmenta phytographiae Australiae,[5][6] the name Pultenaea obcordata having been used by Henry Cranke Andrews for a different taxon, now known as Pultenaea daphnoides J.C.Wendl.[7] The specific epithet (heterochila) means "unequal-lipped", referring to the sepal lobes.[8]

Distribution[]

This pultenaea grows in sandy soil over limestone in the Avon Wheatbelt, Coolgardie, Esperance Plains, Hampton, Jarrah Forest, Mallee and Warren biogeographic regions of southern Western Australia.[2]

Conservation status[]

Pultenaea heterochila is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife.[2]

References[]

  1. ^ "Pultenaea heterochila". Australian Plant Census. Retrieved 16 July 2021.
  2. ^ a b c "Pultenaea heterochila". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. ^ "Euchilus obcordatus". APNI. Retrieved 16 July 2021.
  4. ^ Brown, Robert; Aiton, William (ed.) (1811). Hortus Kewensis. London: Longman, Hurst, Rees, Orme and Brown. p. 17. Retrieved 17 July 2021. {{cite book}}: |first2= has generic name (help)
  5. ^ "Pultenaea heterochila". APNI. Retrieved 16 July 2021.
  6. ^ von Mueller, Ferdinand (1863). Fragmenta phytographiae Australiae. Vol. 4. Melbourne: Victorian Government Printer. p. 21. Retrieved 17 July 2021.
  7. ^ "Pultenaea obcordata". Australian Plant Census. Retrieved 17 July 2021.
  8. ^ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. pp. 216–217. ISBN 9780958034180.
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