''Acacia woodmaniorum'', also known as Woodman's wattle,
is a shrub belonging to the genus ''
Acacia
''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus na ...
'' and subgenus ''Alatae''. It is native to a small area in
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 ...
.
Description
The shrub is hard, prickly with intricate branching that typically grows to a height of
[ and a width of around with grey, slightly roughened bark on the stem and branches. The green glabrous branches are flexuose. The ]phyllode
Phyllodes are modified petioles or leaf stems, which are leaf-like in appearance and function. In some plants, these become flattened and widened, while the leaf itself becomes reduced or vanishes altogether. Thus the phyllode comes to serve the ...
s form opposite wings along the length of the branchlets. Each dull green wing is continued to the one below and are about across. The shrub blooms in June producing simple inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...
s that have one or two globular heads each containing 27 to 28 light golden flowers. The narrowly oblong 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 straight to curved and in length and wide. The seeds are long with an irregular shaped.[
]
Taxonomy
The species was first formally described by the botanists 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 ...
and Carrie Buscumb in 2007 in the work ''Two new species of Acacia (Leguminosae: Mimosoideae) from banded ironstone ranges in the Midwest region of south-west Western Australia'' 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 ...
''.[
]
Distribution
The species is found in a small area near Perenjori in the Mid West
The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of the United States. I ...
region 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 ...
. It grows red silt and thin sands over red ironstone and laterite on crests and ridges of ranges.[ Only three populations in the Blue Hill Range are known. Each population is within of the next and covers an area of around in total. The species is mostly found in tall shrubland communities or thickets dominated by other ''Acacia'' species, '' Allocasuarina acutivalvis'' or '']Eucalyptus petraea
''Eucalyptus petraea'', commonly known as granite rock box, is a species of mallee or a small tree that is endemic to Western Australia. It has thin, ribbony or flaky to fibrous bark on the lower trunk, smooth greyish above, lance-shaped adult l ...
''[
]
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q17438893
woodmaniorum
Acacias of Western Australia
Plants described in 2007
Taxa named by Bruce Maslin