''Acacia blaxellii'', also known as Blaxell'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 the subgenus ''Phyllodineae'' endemic to Western Australia.
Description
The dense and spreading shrub typically grows to a height of and to wide.[ It has fine to densely haired branchlets. 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 are ascending to erect with a straight oblong-elliptic to narrowly oblong shape. Each thick fleshy phyllode has a length of and a width of with a non-prominent midrib.[ The rudimentary inflorescences are found on two-headed racemes that have a long axes with spherical flowers-heads with a diameter of containing 17 to 31 golden flowers. The seed pods that form after flowering are variably undulate with an irregular sigmoid shape. The thin glabrous pods have a length of around and a width of . The glossy black seeds within have a broadly elliptic shape and are about in length.][
]
Taxonomy
The species was first formally described by the botanist Bruce Maslin in 1999 as part of the work ''Acacia miscellany. The taxonomy of fifty-five species of Acacia, primarily Western Australian, in section Phyllodineae (Leguminosae: Mimosoideae)'' as published in the journal '' Nuytsia''. It was reclassified as ''Racosperma blaxellii'' in 2003 by Leslie Pedley then transferred back into the genus ''Acacia'' in 2006.
Distribution
It has a disjunct distribution in the eastern Wheatbelt and western parts of the Goldfields-Esperance regions of Western Australia from between Kondinin in the west and Norseman
The Norsemen (or Norse people) were a North Germanic ethnolinguistic group of the Early Middle Ages, during which they spoke the Old Norse language. The language belongs to the North Germanic branch of the Indo-European languages and is the pre ...
in the east where it is found on flats and on low rocky rises growing in clay-loam soilsFrank Hann National Park
Frank Hann National Park is a national park in Western Australia, located east-southeast of the capital, Perth in the Shire of Lake Grace. It was named for Frank Hann, an early explorer of the district. The park contains a wide array of flora, ...
.[
]
See also
* List of ''Acacia'' species
References
{{Taxonbar, from=Q9562777
blaxellii
Acacias of Western Australia
Plants described in 1999
Taxa named by Bruce Maslin