Eucalyptus × lamprocalyx

Eucalyptus × lamprocalyx is a tree or shrub that is endemic to the Kimberley region of Western Australia. It has tessellated bark on its trunk and branches, sessile, broadly lance-shaped leaves arranged in opposite pairs, flower buds in groups of between seven and eleven and oval or urn-shaped fruit. It is considered to be a natural hybrid between Corymbia cadophora and C. polycarpa.

Eucalyptus × lamprocalyx
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. × lamprocalyx
Binomial name
Eucalyptus × lamprocalyx
Synonyms[1]

Eucalyptus lamprocarpa Blakely nom. illeg.

Description

Eucalyptus × lamprocalyx is a crooked, spreading tree or shrub that grows to a height of up to 6 m (20 ft). It has tessellated greyish bark on the trunk and branches. Adult leaves are arranged in opposite pairs, sessile, the same greyish green on both sides, broadly lance-shaped, 120–250 mm (4.7–9.8 in) long and 50–80 mm (2.0–3.1 in) wide. The flower buds are arranged in groups of between seven and eleven on a thick or slightly flattened peduncle 12–25 mm (0.5–1 in) long, the individual buds on thick pedicels up to 3 mm (0.12 in) long. Mature buds are oval or pear-shaped, the floral cup 8–12 mm (0.31–0.47 in) long and 8–10 mm (0.31–0.39 in) wide and the operculum hemispherical, 4–5 mm (0.16–0.20 in) long and 5–6 mm (0.2–0.2 in) wide with a small point on the top. The fruit is a woody oval or urn-shaped capsule 30–40 mm (1.2–1.6 in) long and 20–30 mm (0.79–1.2 in) wide.[2]

Taxonomy and naming

Eucalyptus × lamprocalyx was first formally described in 1834 by William Blakely who gave it the name Eucalyptus lamprocalyx and published the description in his book, A Key to the Eucalypts.[3] The Australian Plant Census considers this tree to be a natural hybrid between Corymbia cadophora and C. polycarpa, but it does not yet have a name in the genus Corymbia.[1]

Distribution and habitat

This eucalypt grows in woodland in the western Kimberley region of Western Australia.[2]

References
  1. "Eucalyptus × lamprocalyx". APC. Retrieved 23 February 2019.
  2. Chippendale, George McCartney. "Eucalyptus lamprocalyx". Australian Biological Resources Study, Department of the Environment and Energy, Canberra. Retrieved 11 August 2019.
  3. "Eucalyptus × lamprocalyx". APNI. Retrieved 11 August 2019.
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