Eremophila labrosa

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Eremophila labrosa
Eremophila labrosa (leaves and flowers).jpg
Eremophila labrosa growing south of Norseman
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Scrophulariaceae
Genus: Eremophila
Species:
E. labrosa
Binomial name
Eremophila labrosa

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.

Contents

Description

Eremophila labrosa is an erect, broom-like shrub growing to about 0.4–1.2 m (1–4 ft) tall with branches that are covered with tangled, branched hairs and which are often at least partly sticky and shiny due to the presence of resin. The leaves are arranged alternately along the branches, linear in shape with a curved, hooked end. They are mostly 5–19 mm (0.2–0.7 in) long and 0.8–2.0 mm (0.03–0.08 in) wide, hairy at first but become glabrous, shiny, sticky and sometimes rough due to the presence of resin as they age. [2] [3] [4]

The flowers are borne singly in leaf axils on a straight stalk, 5.5–11 mm (0.2–0.4 in) long. There are 5 overlapping, sticky, shiny, slightly wrinkled, elliptic to egg-shaped sepals which are 3.5–6 mm (0.1–0.2 in) long. The petals are 11–17 mm (0.4–0.7 in) long and are joined at their lower end to form a tube. The petal tube is purple on the upper surface, pale lilac below and white inside. The outside of the petal tube is densely covered with glandular hairs but the inside surface of the lobes is mostly glabrous. The central part of the lower lip is pushed up, closely the opening of the petal tube which is densely woolly inside. The 4 stamens are fully enclosed in the petal tube. Flowering occurs from August to October and is followed by oval-shaped to conical fruits with a pointed end and which are 5.5–6.7 mm (0.2–0.3 in) long. [2] [3] [4]

E. labrosa growing south of Norseman Eremophila labrosa (habit).jpg
E. labrosa growing south of Norseman

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. [5] The specific epithet (labrosa) is derived from the Latin labrosa meaning "large-lipped", referring to the prominent lower lip of the petal tube. [2] [3]

Distribution and habitat

This eremophila is common in the Hyden Grasspatch and Norseman districts in the Avon Wheatbelt, Coolgardie and Mallee biogeographic regions. [3] [4] [6] [7]

Conservation status

Eremophila labrosa is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [6]

Use in horticulture

This eremophila has an upright, narrow, open growth habit and is ideal for situations requiring such a shape, especially since it bears masses of lilac to purple flowers in spring to early summer. It can be propagated from cuttings at most times of the year and grown in most soil types, including clay, in full sun or partial shade. It is reasonably drought tolerant and can withstand heavy frosts. [8]

Related Research Articles

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Eremophila succinea is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is an erect, broom-shaped shrub with sticky, narrow, hooked leaves, narrow, sticky sepals and hairy, pale purple or mauve petals.

References

  1. ↑ "Eremophila labrosa". Australian Plant Census. Retrieved 9 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. 264–265. ISBN   9781877058165.
  3. 1 2 3 4 Brown, Andrew; Buirchell, Bevan (2011). A field guide to the eremophilas of Western Australia (1st ed.). Hamilton Hill, W.A.: Simon Nevill Publications. p. 157. ISBN   9780980348156.
  4. 1 2 3 Archer, William (6 February 2012). "Eremophila labrosa". Esperance Wildflowers. Retrieved 7 February 2016.
  5. ↑ "Eremophila labrosa". APNI. Retrieved 7 February 2016.
  6. 1 2 "Eremophila labrosa". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  7. ↑ Paczkowska, Grazyna; Chapman, Alex R. (2000). The Western Australian flora: a descriptive catalogue . Perth: Wildflower Society of Western Australia. p. 337. ISBN   0646402439.
  8. ↑ Boschen, Norma; Goods, Maree; Wait, Russell (2008). Australia's eremophilas : changing gardens for a changing climate. Melbourne: Bloomings Books. pp. 112–113. ISBN   9781876473655.
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