Eremophila resinosa

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Resinous eremophila
Eremophila resinosa flower.jpg
In Mount Annana Botanic Garden
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Scrophulariaceae
Genus: Eremophila
Species:
E. resinosa
Binomial name
Eremophila resinosa
Synonyms [1]
  • Bondtia resinosa Kuntze orth. var.
  • Bontia resinosa(Endl.) Kuntze
  • Eremophila kochi Ewart orth. var.
  • Eremophila kochiiEwart
  • Pholidia kochii(Ewart) Kraenzl.
  • Pholidia resinosaEndl.

Eremophila resinosa, also known as resinous eremophila, is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is a spreading shrub with sticky young foliage, short leaves, small sepals and mauve, purple or sometimes white flowers.

Contents

Description

Eremophila resinosa is a spreading shrub which grows to a height of between 0.4 and 1.0 m (1 and 3 ft) and a width of up to 1.0 m (3 ft). The branches have small, raised, amber-coloured, translucent lumps and a covering of fine, branched hairs. The leaves are lance-shaped to egg-shaped with the narrower end towards the base. They are 6–17 mm (0.2–0.7 in) long, about 2 mm (0.08 in) wide and have fine, branched hairs. [2] [3] [4]

The flowers are borne singly in leaf axils on stalks up to 1 mm (0.04 in) long. There are 5 overlapping, green, tapering, lance-shaped sepals which are 3–5.5 mm (0.1–0.2 in) long. The petals are 13–18 mm (0.5–0.7 in) long and are joined at their lower end to form a tube. They are mauve, purple or sometimes white and when coloured, appear lighter on the outside because of a covering of fine, branched hairs. The inside of the tube is often spotted. The inside surface of the petal lobes is glabrous but the inside of the tube is filled with long hairs. The 4 stamens are fully enclosed in the petal tube. Flowering occurs from May to September and the fruits which follow are dry, oval-shaped with a pointed end, slightly rough and about 4 mm (0.2 in) long. [2] [3] [4]

Taxonomy and naming

The species was first formally described in 1838 by Stephan Endlicher who gave it the name Pholidia resinosa. The description was published in Stirpium Australasicarum Herbarii Hugeliani Decades Tres. [5] In 1860, Ferdinand von Mueller changed the name to Eremophila resinosa and published the change in Papers and Proceedings of the Royal Society of Van Diemen's Land. [6] [7] The specific epithet (resinosa) is a Latin word meaning "full of resin" or "gummy". [8]

Distribution and habitat

Resinous eremophila grows in clay, gravelly and sandy soils in the wheatbelt north-east of Merredin in the Avon Wheatbelt biogeographic region. [9] [2]

Conservation

Eremophila resinosa is listed as "Endangered" (EN) under the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act). As at April, 2008 it was only known from 26 natural populations and 1418 individual plants. [4] Five clones of the species were grown by tissue culture and planted at Westonia in 2004. Seed was also collected and grown at the same site. Survival rates are high for both the tissue cultured and seed-raised plants. To date, over 4,000 plants are growing and 2 million fruits are in long-term storage. [10] [11]

Use in horticulture

This small shrub can bear masses of purple flowers in spring and its hardiness adds to its potential as a feature plant in a small garden. It is easily propagated from cuttings and grown in a wide range of soils, including clay in full or part shade. It is very drought tolerant, needing little or no watering, even during long droughts and tolerates the most severe frosts. [12]

Related Research Articles

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

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

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

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

Eremophila georgei is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is a common, widespread shrub in central areas of the state, often growing on rocky ridges and hillsides and has serrated leaves and mauve, purple or pink flowers.

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

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Eremophila koobabbiensis, commonly known as Koobabbie eremophila, is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an erect shrub with hairy branches, pale green leaves and lilac to pale mauve flowers. It is only known from a single farm where there were 96 mature plants in 2010, but specimens grown from cuttings survive in Victoria (Australia) and South Australia, as well as in Kings Park, Perth.

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

Eremophila labrosa is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is a shrub with many hairy branches arising from near ground level, narrow, hooked leaves and mauve and blue flowers.

Eremophila papillata is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an erect, compact shrub with sticky, narrow leaves and mauve, blue or purple, rarely white flowers.

Eremophila perglandulosa is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is a low, spreading shrub which has small leaves with many glandular hairs and mauve or purple flowers.

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

Eremophila pinnatifida, commonly known as Dalwallinu eremophila is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is a spreading, rounded shrub with aromatic, deeply divided leaves and pale purple flowers which are white with purple spots inside. It is a rare plant, known only from a few areas near Perth.

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

Eremophila recurva is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Australia. It is a shrub with hairy grey leaves, large grey sepals and blue, mauve or lilac flowers.

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

Eremophila rugosa is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an erect shrub with sticky, shiny leaves and pink, purple or mauve flowers.

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

Eremophila saligna, commonly known as willowy eremophila, is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an upright shrub with narrow, serrated leaves, cylindrical flowers and cream to white petals.

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

Eremophila sargentii is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is a shrub with sticky, shiny foliage, small leaves and mauve or blue flowers.

Eremophila shonae is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an erect shrub or a low spreading shrub, depending on subspecies and has very sticky branches and leaves due to the presence of large amounts of resin. The leaves are narrow and the flowers are mauve to purple and white inside with purple spots.

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

Eremophila ternifolia, commonly known as Wongan eremophila is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is a low, many-branched, shrub with short, pointed leaves and small lilac-coloured or mauve flowers.

Eremophila vernicosa, commonly known as resinous poverty bush, is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an erect shrub with its glabrous leaves and branches appearing varnished due to a thick covering of resin. It has small leaves and white to pale mauve flowers.

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

Eremophila warnesii is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an erect, compact shrub with furry leaves, hairy sepals and blue to mauve petals. It is a little-known species, named after the founder of the Eremophila Study Group.

References

  1. 1 2 "Eremophila resinosa". Australian Plant Census. Retrieved 5 September 2020.
  2. 1 2 3 Chinnock, R.J. (Bob) (2007). Eremophila and allied genera : a monograph of the plant family Myoporaceae (1st ed.). Dural, NSW: Rosenberg. pp. 462–464. ISBN   9781877058165.
  3. 1 2 Brown, Andrew; Buirchell, Bevan (2011). A field guide to the eremophilas of Western Australia (1st ed.). Hamilton Hill, W.A.: Simon Nevill Publications. p. 237. ISBN   9780980348156.
  4. 1 2 3 Douglas, Craig; Johnston, Wendy; Jolliffe, David. "Resinous Eremophila (Eremophila resinosa) Recovery Plan" (PDF). Government of Western Australia, Department of Environment and Conservation. Retrieved 6 March 2016.
  5. ↑ "Pholidia resinosa". APNI. Retrieved 6 March 2016.
  6. ↑ "Eremophila resinosa". APNI. Retrieved 6 March 2016.
  7. ↑ von Mueller, Ferdinand (1859). "On the genus Eremophila". Papers and Proceedings of the Royal Society of van Dieman's Land. 3: 296. Retrieved 6 March 2016.
  8. ↑ Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 653.
  9. ↑ "Eremophila resinosa". FloraBase . Western Australian Government Department of Parks and Wildlife.
  10. ↑ Soorae (ed.), Pritpal S.; Dixon, Bob (2010). Translocation of the resinous Eremophila from test tube to degraded bushland site in the wheatbelt of Western Australia. Abu Dhabi, UAE: IUCN/SSC Re-introduction Specialist Group & Environment Agency - Abu Dhabi. pp. 311–315. ISBN   9782831713205.CS1 maint: extra text: authors list (link)
  11. ↑ "Eremophila translocation". Kings Park Botanic Gardens and Parks Authority. Retrieved 9 August 2019.
  12. ↑ Boschen, Norma; Goods, Maree; Wait, Russell (2008). Australia's eremophilas : changing gardens for a changing climate. Melbourne: Bloomings Books. p. 220. ISBN   9781876473655.
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