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Eremophila simulans

From Wikipedia, the free encyclopedia
Species of flowering plant

Eremophila simulans
Scientific classificationEdit this classification
Kingdom:Plantae
Clade:Tracheophytes
Clade:Angiosperms
Clade:Eudicots
Clade:Asterids
Order:Lamiales
Family:Scrophulariaceae
Genus:Eremophila
Species:
E. simulans
Binomial name
Eremophila simulans

Eremophila simulans is aflowering plant in the figwortfamily,Scrophulariaceae and isendemic toWestern Australia. It is an erect shrub with broad, serrated leaves and violet to purple flowers.

Description

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Eremophila simulans is an erect shrub which grows to a height of between 0.6 and 2.0 m (2 and 7 ft). Its leaves and branches are sticky and shiny due to the presence ofresin. The leaves are elliptic to egg-shaped, hairy along their margins and often on their surfaces although the hairs may be hidden by the coating of resin. They are mostly 8.5–17 mm (0.3–0.7 in) long, 4–8.5 mm (0.2–0.3 in) wide and have serrated edges.[2][3]

The flowers are borne singly in leaf axils on hairy, slightly sticky stalks 12.5–23 mm (0.5–0.9 in) long. There are 5 greenish-purple to reddish-brown, overlapping, hairy, egg-shaped to almost circularsepals which are 6–20 mm (0.2–0.8 in) long. The size and shape of the sepals varies with subspecies. Thepetals are 19–26 mm (0.7–1 in) long and are joined at their lower end to form a tube. The petal tube is purple or violet on the outside and white with bands of reddish-brown inside the tube. The outside of the petal tube and lobes is hairy, the inside surface of the lobes is glabrous and the inside of the tube is filled with woolly hairs. The 4 stamens are enclosed in the petal tube. Flowering time is from August to October and is followed by fruits which are dry, woody, oval shaped, hairy and 6.5–9 mm (0.3–0.4 in) long.[2][3]

Taxonomy and naming

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The species was first formally described byRobert Chinnock in 2007 and the description was published inEremophila and Allied Genera: A Monograph of the Plant Family Myoporaceae.[4] Thespecific epithet (simulans) is aLatin word meaning "imitating" or "copying",[5] referring to the similarity of the features of this species to those ofEremophila georgei.[2]

There are three subspecies:

  • Eremophila simulans Chinnock subsp.simulans[6] which has elliptic to egg-shaped sepals and simple hairs on its branches and leaves;[2][3]
  • Eremophila simulans subsp.lapidensis Chinnock[7] which has egg-shaped sepals, both simple andglandular hairs on its branches and leaves, and outer sepals which are less than 12 mm (0.5 in) long after flowering;[2][3]
  • Eremophila simulans Chinnock subsp.megacalyx[8] which has elliptic to almost circular sepals, both simple and glandular hairs on its leaves and branches, and outer sepals which are 15–20 mm (0.6–0.8 in) long after flowering .[2][3]

Distribution and habitat

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Subspeciessimulans is the most common of the subspecies and occurs on rocky hills and plains betweenCue and theWeld Range[3] in theMurchisonbiogeographic region.[9]

Subspecieslapidensis grows in sandy soils betweenSandstone andMeeketharra[3] in the Murchison biogeographic region.[10]

Subspeciesmegacalyx grows in rocky and sandy clay soil between theMurchison Settlement and Meekatharra[3] in the Murchison biogeographic region.[11]

Conservation

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Subspeciessimulans[9] andlapidensis[10] are classified as "not threatened"[9] but subspeciesmegacalyx is classified as "Priority Three" by the Western Australian GovernmentDepartment of Parks and Wildlife[11] meaning that it is poorly known and known from only a few locations but is not under imminent threat.[12]

Use in horticulture

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This eremophila has only recently been introduced into gardens and details about its horticulture are not well known. It has been propagated bygrafting ontoMyoporumrootstock and grows well in free-draining soil in full sun or part shade. It appears to be drought tolerant but its response to frost is not known.[13]

References

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  1. ^"Eremophila simulans". Australian Plant Census. Retrieved2 September 2020.
  2. ^abcdefChinnock, R.J. (Bob) (2007).Eremophila and allied genera : a monograph of the plant family Myoporaceae (1st ed.). Dural, NSW: Rosenberg. pp. 367–370.ISBN 9781877058165.
  3. ^abcdefghBrown, Andrew; Buirchell, Bevan (2011).A field guide to the eremophilas of Western Australia (1st ed.). Hamilton Hill, W.A.: Simon Nevill Publications. pp. 256–258.ISBN 9780980348156.
  4. ^"Eremophila simulans". APNI. Retrieved15 March 2016.
  5. ^Brown, Roland Wilbur (1956).The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 482.
  6. ^"Eremophila simulans subsp.simulans". APNI. Retrieved15 March 2016.
  7. ^"Eremophila simulanssubsp.lapidensis". APNI. Retrieved15 March 2016.
  8. ^"Eremophila simulans subsp.megacalyx". APNI. Retrieved15 March 2016.
  9. ^abc"Eremophila simulans subsp.simulans".FloraBase. Western Australian GovernmentDepartment of Biodiversity, Conservation and Attractions.
  10. ^ab"Eremophila shonae subsp.lapidensis".FloraBase. Western Australian GovernmentDepartment of Biodiversity, Conservation and Attractions.
  11. ^ab"Eremophila shonae subsp.megacalyx".FloraBase. Western Australian GovernmentDepartment of Biodiversity, Conservation and Attractions.
  12. ^"Conservation codes for Western Australian Flora and Fauna"(PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved15 March 2016.
  13. ^Boschen, Norma; Goods, Maree; Wait, Russell (2008).Australia's eremophilas : changing gardens for a changing climate. Melbourne: Bloomings Books. pp. 98–99.ISBN 9781876473655.
Eremophila simulans
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