''Acacia guinetii'', commonly known as Guinet's wattle, is a shrub of the genus ''
Acacia'' and the subgenus ''Pulchellae'' 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 else ...
to a small area along the coast of western
Australia
Description
The evergreen shrub typically grows to a height of
[ with a width up to about ][ and has a spindly to spreading habit with villous branchlets that arch downwards. It has one pair of ]pinnae
The auricle or auricula is the visible part of the ear that is outside the head. It is also called the pinna (Latin for "wing" or " fin", plural pinnae), a term that is used more in zoology.
Structure
The diagram shows the shape and location ...
with a length of with three to four pairs of hairy, recurved green pinnule
A leaflet (occasionally called foliole) in botany is a leaf-like part of a compound leaf. Though it resembles an entire leaf, a leaflet is not borne on a main plant stem or branch, as a leaf is, but rather on a petiole or a branch of the leaf. ...
s which as in length and wide.[ It blooms from June to September and produces yellow flowers.][ The rudimentary ]inflorescence
An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...
s are found on one or two headed racemes and have spherical flower-heads containing 50 to 75 densely packed golden flowers. The seed pod
This page provides a glossary of plant morphology. Botanists and other biologists who study plant morphology use a number of different terms to classify and identify plant organs and parts that can be observed using no more than a handheld magnify ...
s that form after flowering are in length and wide and contain oblong shaped seeds with a length of about .[
]
Taxonomy
The species was first formally described by the botanist Bruce Maslin
Bruce Roger Maslin (born 3 May 1946) is an Australian botanist, known for his work on ''Acacia'' taxonomy.
Born in Bridgetown, Western Australia, he obtained an honours degree in botany from the University of Western Australia in 1967, then to ...
in 1979 as a part of the work ''Studies in the genus Acacia (Mimosaceae) - Additional notes on the Series Pulchellae Benth.'' as published in the journal ''Nuytsia
''Nuytsia floribunda'' is a hemiparasitic tree found in Western Australia. The species is known locally as moodjar and, more recently, the Christmas tree or Western Australian Christmas tree. The display of intensely bright flowers during the ...
''. It was reclassified by Leslie Pedley
Leslie Pedley (19 May 1930 – 27 November 2018)IPNILeslie Pedley/ref> was an Australian botanist who specialised in the genus ''Acacia''. He is notable for bringing into use the generic name ''Racosperma'', creating a split in the genus, which r ...
in 2003 as ''Racosperma guinetii'' and returned to genus ''Acacia'' in 2006.Acacia lasiocarpa
''Acacia lasiocarpa'', commonly known as Panjang or Pajang or glow wattle, is a shrub of the genus '' Acacia'' and the subgenus ''Pulchellae'' that is endemic to Western Australia.
Description
The shrub typically grows to a height of and acros ...
''.[
]
Distribution
It is native to a small area on the coast in the Mid West
The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of ...
regions of Western Australia
Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...
where it is commonly situated on rocky hills growing in gravelly lateritic
Laterite is both a soil and a rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content. They develop by ...
and rocky loam soils.Geraldton
Geraldton ( Wajarri: ''Jambinu'', Wilunyu: ''Jambinbirri'') is a coastal city in the Mid West region of the Australian state of Western Australia, north of the state capital, Perth.
At June 2018, Geraldton had an urban population of 37,648. ...
in the south where it is usually found as a part of heath communities.
Cultivation
The shrub is available commercially and can be planted as a part of a border, rockery or shrubbery and is noted its dense foliage, low spreading habit and the masses of yellow, fluffy spherical flowers it produces in winter and spring. It is quite fast growing, tolerates full sun and a light frost and drought
A drought is defined as drier than normal conditions.Douville, H., K. Raghavan, J. Renwick, R.P. Allan, P.A. Arias, M. Barlow, R. Cerezo-Mota, A. Cherchi, T.Y. Gan, J. Gergis, D. Jiang, A. Khan, W. Pokam Mba, D. Rosenfeld, J. Tierney, an ...
but requires a well drained soil.
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q15287221
guinetii
Acacias of Western Australia
Taxa named by Bruce Maslin
Plants described in 1979