''Hakea macrocarpa'', commonly known as flat-leaved hakea, is a species of flowering plant in the family '' Proteaceae'' and 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 northern Australia. It is a tree or shrub with furrowed bark, woolly-hairy branchlets, narrowly linear leaves and cream-coloured to greenish-yellow flowers.

Description

''Hakea macrocarpa'' is a tree or shrub that typically grows to a height of and has furrowed brownish bark and densely woolly-hairy branchlets. The leaves are narrowly linear, long and wide on a petiole is long. The leaves are straight to curved, and densely covered with woolly hairs pressed against the surface at first, later

glabrous Glabrousness (from the Latin '' glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part of ...

. Up to 200 flowers are arranged on a floral

rachis In biology, a rachis (from the grc, ῥάχις [], "backbone, spine") is a main axis or "shaft". In zoology and microbiology In vertebrates, ''rachis'' can refer to the series of articulated vertebrae, which encase the spinal cord. In this c ...

mostly long, usually with cream-coloured or white woolly hairs pressed agaonst the surface. The flowers are cream-coloured to greenish-yellow, each flower 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, the

perianth The perianth (perigonium, perigon or perigone in monocots) is the non-reproductive part of the flower, and structure that forms an envelope surrounding the sexual organs, consisting of the calyx (sepals) and the corolla ( petals) or tepals when ...

long with a straight or curved

style Style is a manner of doing or presenting things and may refer to: * Architectural style, the features that make a building or structure historically identifiable * Design, the process of creating something * Fashion, a prevailing mode of clothing ...

. Flowering mainly occurs from May to August, and the fruit is a follicle long containing a winged seed long and wide with a wing down over half of one side.

Taxonomy and naming

''Hakea macrocarpa'' was first formally described by the botanist Robert Brown in '' Supplementum primum Prodromi florae Novae Hollandiae''. The specific epithet (''macrocarpa'') means "large-fruited".

Distribution

Flat-leaved hakea grows in red sandy soils on coastal sand dunes, sand dunes, rocky ridges and sandplains in the

Central Kimberley The Central Kimberley, an interim Australian bioregion, is located in the central Kimberley region of Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area ...

, Dampierland, Great Sandy Desert,

Northern Kimberley The Northern Kimberley, an interim Australian bioregion, is located in the northern Kimberley region of Western Australia,Ord Victoria Plain The Ord Victoria Plain, an interim Australian bioregion, is located in the Northern Territory and Western Australia, comprising .

Pilbara The Pilbara () is a large, dry, thinly populated region in the north of Western Australia. It is known for its Aboriginal peoples; its ancient landscapes; the red earth; and its vast mineral deposits, in particular iron ore. It is also a g ...

, Tanami bioregions of Western Australia, the central

Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an Australian territory in the central and central northern regions of Australia. The Northern Territory shares its borders with Western Aust ...

and western Queensland.

References

{{Taxonbar, from=Q18081685

macrocarpa ''Hesperocyparis macrocarpa'' is a coniferous tree. It is commonly known as the Monterey cypress and is one of several species of cypress trees endemic to California. The Monterey cypress is found naturally only on the Central Coast of Califo ...

Eudicots of Western Australia Taxa named by Robert Brown (botanist, born 1773) Plants described in 1830