Eucalyptus platyphylla foliage and flowers

''Eucalyptus platyphylla'', commonly known as poplar gum or white gum, is a species of medium-sized tree that is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to Queensland. It has smooth. powdery bark, heart-shaped, egg-shaped to almost round leaves, flower buds in groups of seven, white flowers and conical to hemispherical fruit.

Description

''Eucalyptus platyphylla'' is a tree that typically grows to a height of and forms a

lignotuber A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. Other woody plants may develop basal burls as a similar survival strategy, often as a respons ...

. It has smooth, powdery, pale pink to greenish white bark. Young plants and

coppice Coppicing is the traditional method in woodland management of cutting down a tree to a tree stump, stump, which in many species encourages new Shoot (botany), shoots to grow from the stump or roots, thus ultimately regrowing the tree. A forest ...

regrowth have

deltoid Deltoid (delta-shaped) can refer to: * The deltoid muscle, a muscle in the shoulder * Kite (geometry), also known as a deltoid, a type of quadrilateral * A deltoid curve, a three-cusped hypocycloid * A leaf shape * The deltoid tuberosity, a part o ...

leaves that are long and wide. Adult leaves are the same shade of dull greyish green on both sides, heart-shaped to egg-shaped or almost round, long and wide on a

petiole Petiole may refer to: *Petiole (botany), the stalk of a leaf, attaching the blade to the stem *Petiole (insect anatomy) In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and ...

long. The flower buds are arranged in leaf

axil A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, fl ...

s in groups of seven on an unbranched peduncle long, the individual buds

sessile Sessility, or sessile, may refer to: * Sessility (motility), organisms which are not able to move about * Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant * Sessility (medicine), tumors and polyps that ...

or on

pedicels In botany, a pedicel is a stem that attaches a single flower to the inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branch ...

up to long. Mature buds are oval to almost spherical, long and wide with a rounded to conical operculum. Flowering occurs from June to October and the flowers are white. The fruit is a woody, conical to hemispherical capsule long and wide with the valves near rim level or slightly protruding.

Taxonomy and naming

''Eucalyptus platyphylla'' was first formally described in 1859 by

Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Victoria, Australia ...

in '' Journal of the Proceedings of the Linnean Society, Botany'' from material collected near the

Burdekin River The Burdekin River is a river in North and Far North Queensland, Australia. The river rises on the northern slopes of Boulder Mountain at Valley of Lagoons, part of the western slope of the Seaview Range, and flows into the Coral Sea at Upsta ...

. The

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

(''playtphylla'') is from

ancient Greek Ancient Greek (, ; ) includes the forms of the Greek language used in ancient Greece and the classical antiquity, ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Greek ...

words meaning "flat", "wide" or "broad" and "-leaved", referring to the broad leaves.

Distribution and habitat

Poplar gum is mostly found within of the coast in soils that often remain wet for long periods. It occurs from Horn Island in the

Torres Strait The Torres Strait (), also known as Zenadh Kes ( Kalaw Lagaw Ya#Phonology 2, �zen̪ad̪ kes, is a strait between Australia and the Melanesian island of New Guinea. It is wide at its narrowest extent. To the south is Cape York Peninsula, ...

to near

Rockhampton Rockhampton is a city in the Rockhampton Region of Central Queensland, Australia. In the , the population of Rockhampton was 79,293. A common nickname for Rockhampton is "Rocky", and the demonym of Rockhampton is Rockhamptonite. The Scottish- ...

Conservation status

This eucalypt is listed as "least concern" under the Queensland Government ''

Nature Conservation Act 1992 The ''Nature Conservation Act 1992'' is an act of the Parliament of Queensland, Australia, that, together with subordinate legislation, provides for the legislative protection of Queensland's threatened biota. As originally published, it prov ...

''.

References

{{Taxonbar, from=Q7213013 Trees of Australia platyphylla Myrtales of Australia Flora of Queensland Taxa named by Ferdinand von Mueller Plants described in 1859

Description

Taxonomy and naming

Distribution and habitat

Conservation status

See also

References