Eucalyptus megasepala

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

Eucalyptus megasepala is a species of medium-sized tree that is endemic to Far North Queensland and Cape York Peninsula. It has rough, fibrous or stringy bark from the trunk to the smaller branches, lance-shaped or curved adult leaves, flower buds in groups of three, white flowers and cup-shaped to cylindrical fruit.

Contents

Description

Eucalyptus megasepala is a tree that typically grows to a height of 10–20 m (33–66 ft) and forms a lignotuber. The bark on the trunk and branches is greyish brown, fibrous or stringy, and furrowed. Adult leaves are lance-shaped or curved, the same dull green on both sides, 100–200 mm (3.9–7.9 in) long and 15–30 mm (0.59–1.18 in) wide, tapering to a petiole 10–22 mm (0.39–0.87 in) long. The flower buds are arranged in groups of three in leaf axils on an unbranched peduncle 9–26 mm (0.35–1.02 in) long, the individual buds on pedicels 3–10 mm (0.12–0.39 in) long. Mature buds are oval to pear-shaped, 10–13 mm (0.39–0.51 in) long and 5–8 mm (0.20–0.31 in) wide with a rounded operculum that has four prominent ribs. Flowering occurs between April and July and the flowers are white or creamy-white. The fruit is a woody, cup-shaped to more or less cylindrical capsule 14–23 mm (0.55–0.91 in) long, 10–16 mm (0.39–0.63 in) wide and often more or less square in cross-section. [2] [3]

Taxonomy and naming

Eucalyptus megasepala was first formally described in 2006 by Anthony Bean and the description was published in the journal Austrobaileya from a specimen collected near Jowalbinna (near Laura). [3] [4] According to Bean, the specific epithet (megasepala) is derived from the Greek mega (large) and sepalum (sepal), referring to the size of the sepals of this species compared to those of the related E. tetrodonta . [3] Sepalum is however Neo-Latin. [5] [6]

Distribution and habitat

This eucalypt grows in open woodland on sandstone hills between the Iron Range on Cape York to Irvinebank and Mount Mulgrave in Far North Queensland. [2] [3]

Conservation status

This eucalypt is classified as "least concern" under the Queensland Government Nature Conservation Act 1992 . [7]

See also

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Eucalyptus corynodes is a species of tree that is endemic to Queensland. It has hard, dark grey "ironbark", lance-shaped to curved adult leaves, flower buds usually on a branching inflorescence, the buds in groups of seven, white flowers and barrel-shaped to cup-shaped fruit.

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

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

Eucalyptus tholiformis is a species of tree that is endemic to a small area in Queensland. It has rough, deeply furrowed iron bark on the trunk and larger branches, lance-shaped adult leaves, flower buds in groups of seven, white flowers and cup-shaped to funnel-shaped fruit.

Eucalyptus erosa is a species of tree that is endemic to a small area of Queensland. It has rough, fibrous to stringy grey bark, lance-shaped to curved adult leaves, flower buds arranged in groups of between nine and thirteen, white flowers and cup-shaped to hemispherical fruit.

References

  1. ↑ "Eucalyptus megasepala". Australian Plant Census. Retrieved 27 September 2019.
  2. 1 2 "Eucalyptus megasepala". Euclid: Centre for Australian National Biodiversity Research. Retrieved 1 June 2020.
  3. 1 2 3 4 Bean, Anthony R. (2006). "Eucalyptus megasepala A.R.Bean (Myrtaceae), a new species from Queensland allied to E. tetradonta F.Muell". Austrobaileya. 7 (2): 305–310.
  4. ↑ "Eucalyptus megasepala". APNI. Retrieved 27 September 2019.
  5. ↑ Backer, C.A. (1936). Verklarend woordenboek der wetenschappelijke namen van de in Nederland en Nederlandsch-Indië in het wild groeiende en in tuinen en parken gekweekte varens en hoogere planten (Edition Nicoline van der Sijs).
  6. ↑ Stearn, W.T. (1983). Botanical Latin. History, grammar, syntax, terminology and vocabulary. (3rd edition). Newton Abbot London: David Charles.
  7. ↑ "Eucalyptus megasepala". WetlandInfo. Queensland Government . Retrieved 27 September 2019.
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