''Acacia incurva'' 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 ...

''. It is native to the

South West The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each sepa ...

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 ...

. The shrub has a low, multi-stemmed, erect or prostrate and spinescent habit. It typically grows to a height of . The stems are angled and 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 continuous with branchlets with the free portion of the phyllodes having a linear to linear-

lanceolate The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular o ...

shape with a length of and a width of . It blooms in the winter months between July and September producing spherical yellow inflorescences. Each simple globular inflorescence has sessile heads and contains between six and eleven bright yellow flowers. Later it will form terete seed pods that are up to in length with a diameter of around . Each pod is crustaceous, reddish in colour with longitudinale nerves. The species was first formally described by the

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

George Bentham George Bentham (22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as "the premier systematic botanist of the nineteenth century". Born into a distinguished family, he initially studi ...

in 1842 as part of

William Jackson Hooker Sir William Jackson Hooker (6 July 178512 August 1865) was an English botanist and botanical illustrator, who became the first director of Kew when in 1841 it was recommended to be placed under state ownership as a botanic garden. At Kew he ...

's work ''Notes on Mimoseae, with a synopsis of species'' in the London Journal of Botany. Synonyms for this species include; ''Racosperma incurvum'', ''Acacia incurva'' var. ''brachyptera'', ''Acacia incurva'' var. ''incurva'' and ''Acacia brachyptera''. The species is found in swamps, winter-wet areas and clay flats where it grows in sandy, clay or

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 ...

soils.

References

{{Taxonbar, from=Q15287402 incurva Acacias of Western Australia Plants described in 1842 Taxa named by George Bentham

See also

References