Eremophila muelleriana

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Round-leaved eremophila
Eremophila muelleriana flower & foliage.jpg
In the Australian Botanic Garden Mount Annan
Status DECF P3.svg
Priority Three — Poorly Known Taxa (DEC)
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Scrophulariaceae
Genus: Eremophila
Species:
E. muelleriana
Binomial name
Eremophila muelleriana

Eremophila muelleriana, commonly known as round-leaved eremophila, [2] [3] is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an open shrub with light-coloured new foliage, broad leaves and deep purple-violet flowers.

Contents

Description

Eremophila muelleriana is an erect, open shrub which grows to a height of between 0.3 and 1 m (1 and 3 ft) with branches and leaves covered by a layer of yellow or grey, branched hairs. The leaves are egg-shaped to almost circular, mostly 7–19 mm (0.3–0.7 in) long, 6–12 mm (0.2–0.5 in) wide and taper to a stalk which is about 2 mm (0.08 in) long. [2] [3]

The flowers are borne singly or in pairs in leaf axils on straight, hairy stalks mostly 6–12 mm (0.2–0.5 in) long. There are 5, green to purple, elliptic to lance-shaped, hairy sepals which are 12–22 mm (0.5–0.9 in) long. The petals are 16–25 mm (0.6–1 in) long and are joined at their lower end to form a tube. The petals are deep purple to reddish violet on the outside and white, sometimes with purple spots on the lower part of the inside. The outside of petal tube and lobes is hairy while the inside of the lobes is glabrous and the inside of the tube is filled with long hairs. The 4 stamens are fully enclosed in the petal tube. Flowering occurs from August to October and the fruits which follow are oval to cone-shaped, glabrous and about 8 mm (0.3 in) long. [2] [3]

Taxonomy and naming

Eremophila muelleriana was first formally described in 1934 by Charles Gardner from a specimen collected near Kalli, west of Cue. The description was published in Journal of the Royal Society of Western Australia . [4] The specific epithet (muelleriana) honours Ferdinand von Mueller. [2]

Distribution and habitat

Round-leaved eremophila is only found in a small area north-east of Meekatharra, [2] between Mount Narryer and Yalgoo [3] in the Gascoyne and Murchison biogeographic regions [5] where it grows clay-sand in mulga woodland. [3]

Conservation

This species is classified as "Priority Three" by the Western Australian Government Department of Parks and Wildlife [5] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [6]

Use in horticulture

This eremophila is a particularly striking plant in flower with its deep purple to almost black flowers and it is an attractive and hardy plant in a container. Propagation from cuttings is slow but in drier places it grows well on its own roots. It can also be propagated by grafting onto Myoporum rootstock. A well drained soil in a sunny position are preferred as the plant is susceptible to frost damage. It does respond well to regular pruning. [7]

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<i>Eremophila spathulata</i> Species of flowering plant

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<i>Eremophila spectabilis</i> Species of flowering plant

Eremophila spectabilis, commonly known as showy poverty bush, is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is a dense, erect shrub with narrow, greyish leaves and blue, mauve or purple flowers.

References

  1. ↑ "Eremophila muelleriana". Australian Plant Census. Retrieved 4 September 2020.
  2. 1 2 3 4 5 Chinnock, R.J. (Bob) (2007). Eremophila and allied genera : a monograph of the plant family Myoporaceae (1st ed.). Dural, NSW: Rosenberg. pp. 523–524. ISBN   9781877058165.
  3. 1 2 3 4 5 Brown, Andrew; Buirchell, Bevan (2011). A field guide to the eremophilas of Western Australia (1st ed.). Hamilton Hill, W.A.: Simon Nevill Publications. p. 186. ISBN   9780980348156.
  4. ↑ "Eremophila muelleriana". APNI. Retrieved 17 February 2016.
  5. 1 2 "Eremophila muelleriana". FloraBase . Western Australian Government Department of Parks and Wildlife.
  6. ↑ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 17 February 2015.
  7. ↑ Boschen, Norma; Goods, Maree; Wait, Russell (2008). Australia's eremophilas : changing gardens for a changing climate. Melbourne: Bloomings Books. pp. 134–135. ISBN   9781876473655.
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