Eucalyptus depauperata

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Eucalyptus depauperata
Eucalyptus depauperata.jpg
Eucalyptus depauperata near Yeerakine Rock
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. depauperata
Binomial name
Eucalyptus depauperata

Eucalyptus depauperata is a species of mallee that is endemic to the south-west of Western Australia. It has spindly stems with smooth bark, linear to narrow elliptic adult leaves, flower buds in groups of seven, usually lemon-yellow flowers and conical to cup-shaped fruit. It is most common near Lake King.

Contents

Description

Eucalyptus depauperata is a mallee with spindly stems that usually grows to a height of 2–4 m (6 ft 7 in – 13 ft 1 in) but can be as tall as 7 m (23 ft), and forms a lignotuber. The bark is smooth and pale grey to salmon-brown in colour. Young plants and coppice regrowth have leaves that are linear to oblong, 30–65 mm (1.2–2.6 in) long and 7–20 mm (0.28–0.79 in) wide on a short petiole. The adult leaves are the same glossy green on both sides, linear to narrowly elliptic, 30–77 mm (1.2–3.0 in) long and 4–15 mm (0.16–0.59 in) wide on a petiole 3–12 mm (0.12–0.47 in) long. The flower buds are borne in leaf axils on a pendulous, flattened, unbranched peduncle 15–35 mm (0.59–1.38 in) long, the individual buds on a pedicel 3–8 mm (0.12–0.31 in) long. Mature buds are spindle-shaped, 16–24 mm (0.63–0.94 in) long and 5–6 mm (0.20–0.24 in) wide, with a blunt horn-shaped operculum that is two or three times as long as the floral cup. Flowering occurs from September to November and the flowers are lemon-yellow, or sometimes pink-red. The fruits are woody, pendulous, conical to cup-shaped capsules that are 8–10 mm (0.31–0.39 in) long and 6–9 mm (0.24–0.35 in) wide on a pedicel 3–10 mm (0.12–0.39 in) long and contain dark brown flattened-ovoid shaped seeds. [2] [3] [4]

Taxonomy and naming

Eucalyptus depauperata was first formally described by the botanists Lawrie Johnson and Ken Hill in 1992 in the journal Telopea . The type specimen was collected by Hill in 1988 near Lake King. [5] The specific epithet (depauperata) is a mediaeval Latin word meaning "made poor", referring to the small habit, buds and fruits on this species. [3] [4]

This species is part of the Eucalyptus subgenus Symphyomyrtus in the section Bisectae and the subsection Glandulosae. It is closely related to E. eremophila , E. incerata and E. tenera . [3]

Distribution and habitat

This mallee is found on sandplains and lateritic breakaways in the southern Wheatbelt and Goldfields-Esperance regions of Western Australia. [2] Its range extends from the southern wheatbelt, with large numbers around Lake King extending south-east to around Munglinup. [3]

Conservation status

Eucalyptus depauperata is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [2]

See also

Related Research Articles

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<i>Eucalyptus sporadica</i> Species of eucalyptus

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<i>Eucalyptus terebra</i> Species of eucalyptus

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Eucalyptus orthostemon is a species of mallee that is endemic to the south-west of Western Australia. It has smooth coppery and greyish bark, linear adult leaves, oval to spindle-shaped buds in groups of seven, creamy white flowers and conical to cup-shaped fruit.

References

  1. ↑ "Eucalyptus depauperata". Australian Plant Census. Retrieved 30 May 2019.
  2. 1 2 3 "Eucalyptus depauperata". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. 1 2 3 4 "Eucalyptus depauperata". Euclid: Centre for Australian National Biodiversity Research. Retrieved 4 June 2020.
  4. 1 2 Hill, Kenneth D.; Johnson, Lawrence A.S. (1992). "Systematic studies in the eucalypts. 5. New taxa and combinations in Eucalyptus (Myrtaceae) in Western Australia". Telopea. 4 (4): 587–591. doi: 10.7751/telopea19814948 .
  5. ↑ "Eucalyptus depauperata". APNI. Retrieved 30 May 2019.
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