''Eucalyptus beaniana '', commonly known as the Bean's ironbark, is a small tree that is

endemic Endemism is the state of a species being found 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 found elsew ...

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

. It has rough, furrowed "ironbark" on the trunk and branches, dull green to bluish, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped to conical fruit. It is only known from four locations in southern inland Queensland. Eucalyptus beaniana buds

Description

''Eucalyptus beaniana'' is a tree that 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 response t ...

. It has hard black "ironbark" on its trunk and larger branches. Branches thinner than about have smooth, brownish white bark. Young plants and

coppice Coppicing is a traditional method of woodland management which exploits the capacity of many species of trees to put out new shoots from their stump or roots if cut down. In a coppiced wood, which is called a copse, young tree stems are repeated ...

regrowth have leaves that are arranged alternately, linear, long and wide on a short petiole. Adult leaves are the same dull green to bluish colour on both sides, lance-shaped to curved, long and wide on a petiole long. The flower buds are arranged in group of seven, mostly on the ends of the branches. The groups are on a branched peduncle long, the individual flowers on a

pedicel Pedicle or pedicel may refer to: Human anatomy *Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures ...

long. Mature buds are club-shaped to spindle-shaped or more or less cylindrical, long and wide. The operculum is about as long as, or slightly shorter than the

floral cup In angiosperms, a hypanthium or floral cup is a structure where basal portions of the calyx, the corolla, and the stamens form a cup-shaped tube. It is sometimes called a floral tube, a term that is also used for corolla tube and calyx tube. It ...

and blunt conical to rounded. Flowering has been recorded in September and the flowers are white. The fruit is a woody, cup-shaped to conical capsule long, wide on a pedicel long with the valves level or slightly protruding. ''Eucalyptus beaniana'' is closely related to '' E. taurina'', but can be distinguished by the linear juvenile leaves and by larger amount of smooth bark on the branches.

Taxonomy and naming

''Eucalyptus beaniana'' was first formally described by Ken Hill and

Lawrie Johnson Lawrence Alexander Sidney Johnson Fellow of the Australian Academy of Science, FAA, (26 June 1925 – 1 August 1997) known as Lawrie Johnson, was an Australian Taxonomy (biology), taxonomic botany, botanist. He worked at the Royal Botanic Garden ...

in 1991 in the journal '' Telopea'' from samples collected near the Isla Gorge lookout carpark by Johnson and Anthony Russell Bean in 1984. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

(''beaniana'') honours Anthony Bean.

Distribution and habitat

Bean's ironbark is found growing in shallow and sandy soils as part of woodland communities along with numerous other eucalypt species, on

quartzose Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula , most commonly found in nature as quartz and in various living organisms. In many parts of the world, silica is the major constituent of sand. Silica is one ...

and sandstone ridges. It is known from only four locations in south-east Queensland, in the

Isla Gorge National Park Isla Gorge is a national park in Queensland, Australia, 415 km northwest of Brisbane, gazetted in 1964. It contains a rest area with toilets and a camping area, situated along the Leichhardt Highway just south of Theodore, Queensland, Theod ...

, near

Taroom Taroom is a town in the Shire of Banana and locality split between the Shire of Banana and the Western Downs Region in Queensland, Australia. At the , Taroom had a population of 869 people. Geography The town is located on the Dawson River ...

, Cracow and

Mundubbera Mundubbera ( ) is a town and a locality in the North Burnett Region, Queensland, Australia. In the , Mundubbera had a population of 1261 people. Mundubbera is the self-proclaimed "Citrus Capital of Queensland", although this is disputed by the n ...

Conservation

''Eucalyptus beaniana'' is listed as "vulnerable" under the Australian Government ''

Environment Protection and Biodiversity Conservation Act 1999 The ''Environment Protection and Biodiversity Conservation Act 1999'' (Cth) is an Act of the Parliament of Australia that provides a framework for protection of the Australian environment, including its biodiversity and its natural and cultu ...

'' and 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=Q7212770 Trees of Australia beaniana Myrtales of Australia Flora of Queensland

Description

Taxonomy and naming

Distribution and habitat

Conservation

See also

References