Eremophila eversa

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Eremophila eversa
Status DECF P1.svg
Priority One — 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. eversa
Binomial name
Eremophila eversa

Eremophila eversa is a flowering plant in the figwort family, Scrophulariaceae and is endemic to a restricted area of Western Australia. It is known from only one plant, now thought to have died. It is a small shrub with small leaves and hairy purple to lilac-coloured flowers.

Contents

Description

Eremophila eversa is a shrub growing to a height of 0.5 m (2 ft) with rough branches covered with short milky-white hairs. The leaves are arranged alternately along the stem and are crowded so that they overlap slightly. The lower part of the leaf is pressed against the stem while the upper half is curved outwards. They are elliptic to lance-shaped, covered with hairs like those on the branches, thickened along the edges, 3–6 mm (0.1–0.2 in) long and 1–1.8 mm (0.04–0.07 in) wide. [2] [3]

The flowers are borne singly in leaf axils on a straight, hairy stalk, usually 4.5–7 mm (0.2–0.3 in) long. There are 5 hairy, green to purple sepals which are mostly 4–5 mm (0.16–0.20 in) long. The petals are about 15 mm (0.6 in) long and joined at their lower end to form a tube. The petal tube is purple on the outside, lilac inside with dark purple spots. The outside of the tube and the petal lobes are hairy, the inside of the lobes glabrous and the inside of the tube is full of long, soft hairs. The 4 stamens are fully enclosed in the petal tube. Flowering occurs in September but the characteristics of the fruits are not known. [2] [3]

Taxonomy and naming

The species was first formally described by Robert Chinnock in 2007 and the description was published in Eremophila and Allied Genera: A Monograph of the Plant Family Myoporaceae. The type specimen was collected by William Fletcher on Yerilla Station. [4] [2] [3] The specific epithet (evera) is a Latin word meaning "turned abruptly outwards", referring to the leaves which turn outwards. [2] [3] [5]

Distribution and habitat

Eremophila eversa is only known from the type specimen, collected at Yerilla Station in the Murchison biogeographic region. [2] [6] That plant was fenced to protect it from grazing animals but appears to have died. Searches in 2004 failed to find any living examples of the species. [3]

Conservation status

Eremophila eversa is classified as "Priority One" by the Government of Western Australia Department of Parks and Wildlife, [6] meaning that it is known from only one or a few locations which are potentially at risk. [7]

Related Research Articles

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

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

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

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

Eremophila spuria is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an erect, open shrub with narrow leaves and blue, lilac, purple or white flowers and is a common and widespread species.

<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. ↑ "Eremophila eversa". Australian Plant Census. Retrieved 23 April 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. 248–250. 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. 95. ISBN   9780980348156.
  4. ↑ "Eremophila eversa". APNI. Retrieved 12 January 2016.
  5. ↑ Francis Aubie Sharr (2019). Western Australian Plant Names and their Meanings. Kardinya, Western Australia: Four Gables Press. p. 194. ISBN   9780958034180.
  6. 1 2 "Eremophila eversa". FloraBase . Western Australian Government Department of Parks and Wildlife.
  7. ↑ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 8 December 2015.
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